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Eine evidenzbasierte Gestaltung von Studium und Lehre, wie sie heute normativ eingefordert wird, bedarf des integrierten Zusammenwirkens von Qualitätsmanagement und Hochschuldidaktik – aber gibt es dieses in der Praxis? Mit Blick auf die allgemeine Befundlage, aber auch anhand einer eigenen empirischen Untersuchung zeigt der Beitrag diesbezüglich auf, dass Qualitätsmanagement und Hochschuldidaktik als weitgehend desintegrierte Funktionsbereiche wahrgenommen werden und Evidenzbasierung in der Praxis folglich keinen sehr hohen Stellenwert genießt. Ausgehend von einer Ursachenanalyse wird auf die dysfunktionalen, aber auch auf die funktionalen Auswirkungen dieser Separierung aufmerksam gemacht.
This special birthday issue for Christine Walde, co-founder and co-editor of thersites, features contributions from colleagues and friends. The articles, essays, and book reviews, centering around the honoranda’s research interests as well as focusing on core topics of thersites, form a thematically varied mosaic (tessellae): innovative constructions of literary genres and poetics (especially bucolic, elegy, epic, and epigram), images of the city of Rome and its counterparts, sleep and dreams, history of classical scholarship, gender studies, and classical reception studies.
No Stopping Points Anymore
(2020)
As the Arctic coast erodes, it drains thermokarst lakes, transforming them into lagoons, and, eventually, integrates them into subsea permafrost. Lagoons represent the first stage of a thermokarst lake transition to a marine setting and possibly more saline and colder upper boundary conditions. In this research, borehole data, electrical resistivity surveying, and modeling of heat and salt diffusion were carried out at Polar Fox Lagoon on the Bykovsky Peninsula, Siberia. Polar Fox Lagoon is a seasonally isolated water body connected to Tiksi Bay through a channel, leading to hypersaline waters under the ice cover. The boreholes in the center of the lagoon revealed floating ice and a saline cryotic bed underlain by a saline cryotic talik, a thin ice-bearing permafrost layer, and unfrozen ground. The bathymetry showed that most of the lagoon had bedfast ice in spring. In bedfast ice areas, the electrical resistivity profiles suggested that an unfrozen saline layer was underlain by a thick layer of refrozen talik. The modeling showed that thermokarst lake taliks can refreeze when submerged in saltwater with mean annual bottom water temperatures below or slightly above 0 degrees C. This occurs, because the top-down chemical degradation of newly formed ice-bearing permafrost is slower than the refreezing of the talik. Hence, lagoons may precondition taliks with a layer of ice-bearing permafrost before encroachment by the sea, and this frozen layer may act as a cap on gas migration out of the underlying talik.
Subsea permafrost is perennially cryotic earth material that lies offshore. Most submarine permafrost is relict terrestrial permafrost beneath the Arctic shelf seas, was inundated after the last glaciation, and has been warming and thawing ever since. It is a reservoir and confining layer for gas hydrates and has the potential to release greenhouse gases and affect global climate change. Furthermore, subsea permafrost thaw destabilizes coastal infrastructure. While numerous studies focus on its distribution and rate of thaw over glacial timescales, these studies have not been brought together and examined in their entirety to assess rates of thaw beneath the Arctic Ocean. In addition, there is still a large gap in our understanding of sub-aquatic permafrost processes on finer spatial and temporal scales. The degradation rate of subsea permafrost is influenced by the initial conditions upon submergence. Terrestrial permafrost that has already undergone warming, partial thawing or loss of ground ice may react differently to inundation by seawater compared to previously undisturbed ice-rich permafrost. Heat conduction models are sufficient to model the thaw of thick subsea permafrost from the bottom, but few studies have included salt diffusion for top-down chemical degradation in shallow waters characterized by mean annual cryotic conditions on the seabed. Simulating salt transport is critical for assessing degradation rates for recently inundated permafrost, which may accelerate in response to warming shelf waters, a lengthening open water season, and faster coastal erosion rates. In the nearshore zone, degradation rates are also controlled by seasonal processes like bedfast ice, brine injection, seasonal freezing under floating ice conditions and warm freshwater discharge from large rivers. The interplay of all these variables is complex and needs further research. To fill this knowledge gap, this thesis investigates sub-aquatic permafrost along the southern coast of the Bykovsky Peninsula in eastern Siberia. Sediment cores and ground temperature profiles were collected at a freshwater thermokarst lake and two thermokarst lagoons in 2017. At this site, the coastline is retreating, and seawater is inundating various types of permafrost: sections of ice-rich Pleistocene permafrost (Yedoma) cliffs at the coastline alternate with lagoons and lower elevation previously thawed and refrozen permafrost basins (Alases). Electrical resistivity surveys with floating electrodes were carried out to map ice-bearing permafrost and taliks (unfrozen zones in the permafrost, usually formed beneath lakes) along the diverse coastline and in the lagoons. Combined with the borehole data, the electrical resistivity results permit estimation of contemporary ice-bearing permafrost characteristics, distribution, and occasionally, thickness. To conceptualize possible geomorphological and marine evolutionary pathways to the formation of the observed layering, numerical models were applied. The developed model incorporates salt diffusion and seasonal dynamics at the seabed, including bedfast ice. Even along coastlines with mean annual non-cryotic boundary conditions like the Bykovsky Peninsula, the modelling results show that salt diffusion minimizes seasonal freezing of the seabed, leading to faster degradation rates compared to models without salt diffusion. Seasonal processes are also important for thermokarst lake to lagoon transitions because lagoons can generate cold hypersaline conditions underneath the ice cover. My research suggests that ice-bearing permafrost can form in a coastal lagoon environment, even under floating ice. Alas basins, however, may degrade more than twice as fast as Yedoma permafrost in the first several decades of inundation. In addition to a lower ice content compared to Yedoma permafrost, Alas basins may be pre-conditioned with salt from adjacent lagoons. Considering the widespread distribution of thermokarst in the Arctic, its integration into geophysical models and offshore surveys is important to quantify and understand subsea permafrost degradation and aggradation. Through numerical modelling, fieldwork, and a circum-Arctic review of subsea permafrost literature, this thesis provides new insights into sub-aquatic permafrost evolution in saline coastal environments.
Potato is the 4th most important food crop in the world. Especially in tropical and sub-tropical potato production, drought is a yield limiting factor. Potato is sensitive to water stress. Potato yield loss under water stress could be reduced by using tolerant varieties and adjusted agronomic practices. Direct selection for yield under water-stressed conditions requires long selection cycles. Thus, identification of markers for marker-assisted selection may speed up breeding. The objective of this thesis is to identify morphological markers for drought tolerance by continuously monitoring plant growth and canopy temperature with an automatic phenotyping system.
The phenotyping was performed in drought-stress experiments that were conducted in population A with 64 genotypes and population B with 21 genotypes in the screenhouse in 2015 and 2016 (population A) and in 2017 and 2018 (population B). Drought tolerance was quantified as deviation of the relative tuber starch yield from the experimental median (DRYM) and parent median (DRYMp). Relative tuber starch yield is starch yield under drought stress relative to the average starch yield of the respective cultivar under control conditions in the same experiment. The specific DRYM value was calculated based on the yield data of the same experiment or the global DRYM that was calculated from yield data derived from data combined over yeas of respective population or across multiple experiments including VALDIS and TROST experiments (2011-2016).
Analysis of variance found a significant effect of genotype on DRYM indicating that the tolerance variation required for marker identification was given in both populations.
Canopy growth was monitored continuously six times a day over five to ten weeks by a laser scanner system and yielded information on leaf area, plant height and leaf angle for population A and additionally on leaf inclination and light penetration depth for population B. Canopy temperature was measured 48 times a day over six to seven weeks by infrared thermometry in population B. From the continuous IRT surface temperature data set, the canopy temperature for each plant was selected by matching the time stamp of the IRT data with laser scanner data.
Mean, maximum, range and growth rate values were calculated from continuous laser scanner measurements of respective canopy parameters. Among the canopy parameters, the maximum and mean values in long-term stress conditions showed better correlation with DRYM values calculated in the same experiment than growth rate and diurnal range values. Therefore, drought tolerance index prediction was done from maximum and mean values of canopy parameters.
The tolerance index in specific experiment condition was linearly predicted by simple regression model from different single canopy parameters under long-term stress condition in population A (2016) and population B (2017 and 2018). Among the canopy parameters maximum light penetration depth (2017), mean leaf angle (2017, 2018, and 2016), mean leaf inclination or mean canopy temperature depression (2017 and 2018), maximum plant height (2017) were selected as tolerance predictors. However, no single parameters were sufficient to predict DRYM. Therefore, several independent parameters were integrated in a multiple regression model.
In multiple regression model, specific experiment DRYM values in population A was predicted from mean leaf angle (2016). In population B, specific tolerance could be predicted from maximum light penetration depth and mean leaf inclination (2017) and mean leaf inclination (2018) or mean canopy temperature depression and mean leaf angle (2018).
In data combined over season of population A, the multiple linear regression model selected maximum plant height and mean leaf angle as tolerance predictor. In Population B, mean leaf inclination was selected as tolerance predictor. However, in population A, the variation explained by the final model was too low.
Furthermore, the average tolerances respective to parent median (2011-2018) across FGH plants or all plants (FGH and field) were predicted from maximum plant height (population A) and maximum plant height and mean leaf inclination (population B). Altogether, canopy parameters could be used as markers for drought tolerance. Therefore, water stress breeding in potato could be speed up through using leaf inclination, light penetration depth, plant height and canopy temperature depression as markers for drought tolerance, especially in long-term stress conditions.
Numerous studies investigate which sanctioning institutions prevent cartel formation but little is known as to how these sanctions work. We contribute to understanding the inner workings of cartels by studying experimentally the effect of sanctioning institutions on firms’ communication. Using machine learning to organize the chat communication into topics, we find that firms are significantly less likely to communicate explicitly about price fixing when sanctioning institutions are present. At the same time, average prices are lower when communication is less explicit. A mediation analysis suggests that sanctions are effective in hindering cartel formation not only because they introduce a risk of being fined but also by reducing the prevalence of explicit price communication.
Die vorliegende Arbeit untersucht Urlaubsfotografien bei Facebook und beschreibt, welche sozio-technischen Medienpraktiken sich innerhalb der Social-Media Plattform über die Fotografien vollziehen. Fotografische Praktiken sind durch aktive Handlungen und soziale Gebrauchsweisen bestimmt. Urlaubsfotografien tragen zum Beispiel zur Strukturierung von Reiserouten und Vorstellungen bei, indem genrespezifische Motive und Rahmungen mit Hilfe von Medien reproduziert und wiederholt werden. Praktiken des Zeigens, Teilens und Kommunizierens werden durch Social Plug-Ins (Like/Share Buttons) und Tagging-Funktionen auch in die Benutzeroberflächen von Facebook integriert. Dadurch werden Nutzer*innen Aktivitäten und technische Prozesse miteinander verbunden. Am Beispiel der automatischen Generierung von Urlaubsfotografien auf Geotagseiten wird gezeigt, dass Social-Tagging zur Entstehung und Aushandlung geographischer Räume und Ortsvorstellungen beiträgt. Mithilfe technischer Strukturierungen von Fotografien auf Taggingseiten werden genrespezifische Motive, fotografische Trends und Ästhetiken besonders sichtbar. Allerdings wird ihre Visualisierung auch durch algorithmische Priorisierung einzelner Inhalte mitbestimmt. Dadurch werden Urlaubsfotografien für ein fotografisches Profiling genutzt, da sie das algorithmische Erfassen und Auswerten von Nutzer*innen-Informationen ermöglichen. Die Arbeit zeigt, dass der Einsatz von Bilderkennungsverfahren und fotografischen Datenanalysen zu einer optimierten Informationsgewinnung und zu einer Standardisierung von Fotografien beiträgt.
Under an ecological speciation scenario, the radiation of African weakly electric fish (genus Campylomormyrus) is caused by an adaptation to different food sources, associated with diversification of the electric organ discharge (EOD). This study experimentally investigates a phenotype-environment correlation to further support this scenario. Our behavioural experiments showed that three sympatric Campylomormyrus species with significantly divergent snout morphology differentially react to variation in substrate structure. While the short snout species (C. tamandua) exhibits preference to sandy substrate, the long snout species (C. rhynchophorus) significantly prefers a stone substrate for feeding. A third species with intermediate snout size (C. compressirostris) does not exhibit any substrate preference. This preference is matched with the observation that long-snouted specimens probe deeper into the stone substrate, presumably enabling them to reach prey more distant to the substrate surface. These findings suggest that the diverse feeding apparatus in the genus Campylomormyrus may have evolved in adaptation to specific microhabitats, i.e., substrate structures where these fish forage. Whether the parallel divergence in EOD is functionally related to this adaptation or solely serves as a prezygotic isolation mechanism remains to be elucidated.
Under an ecological speciation scenario, the radiation of African weakly electric fish (genus Campylomormyrus) is caused by an adaptation to different food sources, associated with diversification of the electric organ discharge (EOD). This study experimentally investigates a phenotype-environment correlation to further support this scenario. Our behavioural experiments showed that three sympatric Campylomormyrus species with significantly divergent snout morphology differentially react to variation in substrate structure. While the short snout species (C. tamandua) exhibits preference to sandy substrate, the long snout species (C. rhynchophorus) significantly prefers a stone substrate for feeding. A third species with intermediate snout size (C. compressirostris) does not exhibit any substrate preference. This preference is matched with the observation that long-snouted specimens probe deeper into the stone substrate, presumably enabling them to reach prey more distant to the substrate surface. These findings suggest that the diverse feeding apparatus in the genus Campylomormyrus may have evolved in adaptation to specific microhabitats, i.e., substrate structures where these fish forage. Whether the parallel divergence in EOD is functionally related to this adaptation or solely serves as a prezygotic isolation mechanism remains to be elucidated.
Vorwort: tessellae
(2020)
RESUME Cette etude propose d'explorer et d'identifier des moments particuliers oU le changement linguistique se produit, afin de confirmer ou de rejeter l'idee d'une periode specifique designee par le terme << francais preclassique >>, avec une rupture - ou frontiere chronolectale - detectable autour de 1630 (cf. Ayres-Bennett et Caron, 2016). Afin de verifier dans quelle mesure cette chronologie peut etre confirmee, il est necessaire de multiplier des analyses fines et pointues sur des traits linguistiques qui ont subi des changements a l'epoque en question et d'interroger une gamme de textes qui refletent la variation discursive et pragmatique, au lieu de consulter le canon des traditions textuelles actuellement disponibles sur des bases numerisees, qui sont essentiellement litteraires. C'est pourquoi nous avons consulte des sources de nature differente, qui pourraient attester des usages emergents, a savoir les corpus du Reseau Corpus Francais Preclassique et Classique (RCFC). Seront presentes les resultats de deux etudes de cas (la recategorisation des formes dedans/dessous/dessus/dehors et la montee des clitiques), abondamment discutes par les remarqueurs.
This paper discusses surface optionality in focus fronting in the Benue-Congo language Igbo. A focused XP can occur in-situ or ex-situ. We argue that the optionality does not have its origins in the syntax: in fact, exactly one focused XP has to move to the designated focus position in the left periphery in the syntax. The alternation between in-situ and ex-situ rather arises at PF: either the lowest or the topmost copy of the focus chain is pronounced. The choice is determined by semantic-pragmatic factors, i. e., we see an interaction between PF and LF. This constitutes a challenge for a strict version of the Y-model of grammar.
In this thesis, I examine different A-bar movement dependencies in Igbo, a Benue-Congo language spoken in southern Nigeria. Movement dependencies are found in constructions where an element is moved to the left edge of the clause to express information-structural categories such as in questions, relativization and focus. I show that these constructions in Igbo are very uniform from a syntactic point of view. The constructions are built on two basic fronting operations: relativization and focus movement, and are biclausal. I further investigate several morphophonological effects that are found in these A-bar constructions. I propose that these effects are reflexes of movement that are triggered when an element is moved overtly in relativization or focus. This proposal helps to explain the tone patterns that have previously been assumed to be a property of relative clauses. The thesis adds to the growing body of tonal reflexes of A-bar movement reported for a few African languages. The thesis also provides an insight into the complementizer domain (C-domain) of Igbo.
Earth and environmental sciences rely on detailed information about subsurface processes. Whereas geophysical techniques typically provide highly resolved spatial images, monitoring subsurface processes is often associated with enormous effort and, therefore, is usually limited to point information in time or space. Thus, the development of spatial and temporal continuous field monitoring methods is a major challenge for the understanding of subsurface processes. We have developed a novel method for ground-penetrating-radar (GPR) reflection monitoring of subsurface flow processes under unsaturated conditions and applied it to a hydrological infiltration experiment performed across a periglacial slope deposit in northwest Luxembourg. Our approach relies on a spatial and temporal quasicontinuous data recording and processing, followed by an attribute analysis based on analyzing differences between individual time steps. The results demonstrate the ability of time-lapse GPR monitoring to visualize the spatial and temporal dynamics of preferential flow processes with a spatial resolution in the order of a few decimeters and temporal resolution in the order of a few minutes. We observe excellent agreement with water table information originating from different boreholes. This demonstrates the potential of surface-based GPR reflection monitoring to observe the spatiotemporal dynamics of water movements in the subsurface. It provides valuable, and so far not accessible, information for example in the field of hydrology and pedology that allows studying the actual subsurface processes rather than deducing them from point information.
Escape Rooms
(2020)
Bacterial chemotaxis-a fundamental example of directional navigation in the living world-is key to many biological processes, including the spreading of bacterial infections. Many bacterial species were recently reported to exhibit several distinct swimming modes-the flagella may, for example, push the cell body or wrap around it. How do the different run modes shape the chemotaxis strategy of a multimode swimmer? Here, we investigate chemotactic motion of the soil bacterium Pseudomonas putida as a model organism. By simultaneously tracking the position of the cell body and the configuration of its flagella, we demonstrate that individual run modes show different chemotactic responses in nutrition gradients and, thus, constitute distinct behavioral states. On the basis of an active particle model, we demonstrate that switching between multiple run states that differ in their speed and responsiveness provides the basis for robust and efficient chemotaxis in complex natural habitats.
Bacterial chemotaxis-a fundamental example of directional navigation in the living world-is key to many biological processes, including the spreading of bacterial infections. Many bacterial species were recently reported to exhibit several distinct swimming modes-the flagella may, for example, push the cell body or wrap around it. How do the different run modes shape the chemotaxis strategy of a multimode swimmer? Here, we investigate chemotactic motion of the soil bacterium Pseudomonas putida as a model organism. By simultaneously tracking the position of the cell body and the configuration of its flagella, we demonstrate that individual run modes show different chemotactic responses in nutrition gradients and, thus, constitute distinct behavioral states. On the basis of an active particle model, we demonstrate that switching between multiple run states that differ in their speed and responsiveness provides the basis for robust and efficient chemotaxis in complex natural habitats.
Bacteria are one of the most widespread kinds of microorganisms that play essential roles in many biological and ecological processes. Bacteria live either as independent individuals or in organized communities. At the level of single cells, interactions between bacteria, their neighbors, and the surrounding physical and chemical environment are the foundations of microbial processes. Modern microscopy imaging techniques provide attractive and promising means to study the impact of these interactions on the dynamics of bacteria. The aim of this dissertation is to deepen our understanding four fundamental bacterial processes – single-cell motility, chemotaxis, bacterial interactions with environmental constraints, and their communication with neighbors – through a live cell imaging technique. By exploring these processes, we expanded our knowledge on so far unexplained mechanisms of bacterial interactions.
Firstly, we studied the motility of the soil bacterium Pseudomonas putida (P. putida), which swims through flagella propulsion, and has a complex, multi-mode swimming tactic. It was recently reported that P. putida exhibits several distinct swimming modes – the flagella can push and pull the cell body or wrap around it. Using a new combined phase-contrast and fluorescence imaging set-up, the swimming mode (push, pull, or wrapped) of each run phase was automatically recorded, which provided the full swimming statistics of the multi-mode swimmer. Furthermore, the investigation of cell interactions with a solid boundary illustrated an asymmetry for the different swimming modes; in contrast to the push and pull modes, the curvature of runs in wrapped mode was not affected by the solid boundary. This finding suggested that having a multi-mode swimming strategy may provide further versatility to react to environmental constraints.
Then we determined how P. putida navigates toward chemoattractants, i.e. its chemotaxis strategies. We found that individual run modes show distinct chemotactic responses in nutrition gradients. In particular, P. putida cells exhibited an asymmetry in their chemotactic responsiveness; the wrapped mode (slow swimming mode) was affected by the chemoattractant, whereas the push mode (fast swimming mode) was not. These results can be seen as a starting point to understand more complex chemotaxis strategies of multi-mode swimmers going beyond the well-known paradigm of Escherichia coli, that exhibits only one swimming mode.
Finally we considered the cell dynamics in a dense population. Besides physical interactions with their neighbors, cells communicate their activities and orchestrate their population behaviors via quorum-sensing. Molecules that are secreted to the surrounding by the bacterial cells, act as signals and regulate the cell population behaviour. We studied P. putida’s motility in a dense population by exposing the cells to environments with different concentrations of chemical signals. We found that higher amounts of chemical signals in the surrounding influenced the single-cell behaviourr, suggesting that cell-cell communications may also affect the flagellar dynamics.
In summary, this dissertation studies the dynamics of a bacterium with a multi-mode swimming tactic and how it is affected by the surrounding environment using microscopy imaging. The detailed description of the bacterial motility in fundamental bacterial processes can provide new insights into the ecology of microorganisms.
Context
Transmission spectroscopy is a promising tool for the atmospheric characterization of transiting exoplanets. Because the planetary signal is faint, discrepancies have been reported regarding individual targets.
Aims
We investigate the dependence of the estimated transmission spectrum on deviations of the orbital parameters of the star-planet system that are due to the limb-darkening effects of the host star. We describe how the uncertainty on the orbital parameters translates into an uncertainty on the planetary spectral slope.
Methods
We created synthetic transit light curves in seven different wavelength bands, from the near-ultraviolet to the near-infrared, and fit them with transit models parameterized by fixed deviating values of the impact parameter b. First, we performed a qualitative study to illustrate the effect by presenting the changes in the transmission spectrum slope with different deviations of b. Then, we quantified these variations by creating an error envelope (for centrally transiting, off-center, and grazing systems) based on a derived typical uncertainty on b from the literature. Finally, we compared the variations in the transmission spectra for different spectral types of host stars.
Results
Our simulations show a wavelength-dependent offset that is more pronounced at the blue wavelengths where the limb-darkening effect is stronger. This offset introduces a slope in the planetary transmission spectrum that becomes steeper with increasing b values. Variations of b by positive or negative values within its uncertainty interval introduce positive or negative slopes, thus the formation of an error envelope. The amplitude from blue optical to near-infrared wavelength for a typical uncertainty on b corresponds to one atmospheric pressure scale height and more. This impact parameter degeneracy is confirmed for different host types; K stars present prominently steeper slopes, while M stars indicate features at the blue wavelengths.
Conclusions
We demonstrate that transmission spectra can be hard to interpret, basically because of the limitations in defining a precise impact parameter value for a transiting exoplanet. This consequently limits a characterization of its atmosphere.
Whereas stable homogenous states of aqueous hydrocarbon solutions are typically observed at high temperatures and pressures far beyond the critical values corresponding to individual components, the stability of such system may be preserved upon transition into the region of metastable states at low temperatures and low pressures. This work is dedicated to the study of the thermal stability of a water-methane mixture formed by cryogenic vapor phase deposition. The obtained thin films were studied using vibrational spectroscopy in the temperature range of 16-180 K. During thermal annealing of the samples, characteristic vibrational C-H modes of methane were monitored alongside the chamber pressure to register both structural changes and desorption of the film material. The obtained results reveal that upon the co-deposition of methane and water, methane molecules appear both in non-bound and trapped states. The observed broadening of the characteristic C-H stretching mode at 3010 cm(-1) upon an increase in temperature of the sample from 16 to 90 K, followed by narrowing of the peak as the temperature is reduced back to 16 K, indicates localization of methane molecules within the water matrix at lower temperatures.
Glacial-cycle simulations of the Antarctic Ice Sheet with the Parallel Ice Sheet Model (PISM)
(2020)
The Parallel Ice Sheet Model (PISM) is applied to the Antarctic Ice Sheet over the last two glacial cycles (approximate to 210 000 years) with a resolution of 16 km. An ensemble of 256 model runs is analyzed in which four relevant model parameters have been systematically varied using full-factorial parameter sampling. Parameters and plausible parameter ranges have been identified in a companion paper (Albrecht et al., 2020) and are associated with ice dynamics, climatic forcing, basal sliding and bed deformation and represent distinct classes of model uncertainties. The model is scored against both modern and geologic data, including reconstructed grounding-line locations, elevation-age data, ice thickness, surface velocities and uplift rates. An aggregated score is computed for each ensemble member that measures the overall model-data misfit, including measurement uncertainty in terms of a Gaussian error model (Briggs and Tarasov, 2013). The statistical method used to analyze the ensemble simulation results follows closely the simple averaging method described in Pollard et al. (2016).
This analysis reveals clusters of best-fit parameter combinations, and hence a likely range of relevant model and boundary parameters, rather than individual best-fit parameters. The ensemble of reconstructed histories of Antarctic Ice Sheet volumes provides a score-weighted likely range of sea-level contributions since the Last Glacial Maximum (LGM) of 9.4 +/- 4.1m (or 6.5 +/- 2.0 x 10(6) km(3)), which is at the upper range of most previous studies. The last deglaciation occurs in all ensemble simulations after around 12 000 years before present and hence after the meltwater pulse 1A (MWP1a). Our ensemble analysis also provides an estimate of parametric uncertainty bounds for the present-day state that can be used for PISM projections of future sea-level contributions from the Antarctic Ice Sheet.
Glacial-cycle simulations of the Antarctic Ice Sheet with the Parallel Ice Sheet Model (PISM)
(2020)
Simulations of the glacial-interglacial history of the Antarctic Ice Sheet provide insights into dynamic threshold behavior and estimates of the ice sheet's contributions to global sea-level changes for the past, present and future. However, boundary conditions are weakly constrained, in particular at the interface of the ice sheet and the bedrock. Also climatic forcing covering the last glacial cycles is uncertain, as it is based on sparse proxy data. <br /> We use the Parallel Ice Sheet Model (PISM) to investigate the dynamic effects of different choices of input data, e.g., for modern basal heat flux or reconstructions of past changes of sea level and surface temperature. As computational resources are limited, glacial-cycle simulations are performed using a comparably coarse model grid of 16 km and various parameterizations, e.g., for basal sliding, iceberg calving, or for past variations in precipitation and ocean temperatures. In this study we evaluate the model's transient sensitivity to corresponding parameter choices and to different boundary conditions over the last two glacial cycles and provide estimates of involved uncertainties. We also discuss isolated and combined effects of climate and sea-level forcing. Hence, this study serves as a "cookbook" for the growing community of PISM users and paleo-ice sheet modelers in general. <br /> For each of the different model uncertainties with regard to climatic forcing, ice and Earth dynamics, and basal processes, we select one representative model parameter that captures relevant uncertainties and motivates corresponding parameter ranges that bound the observed ice volume at present. The four selected parameters are systematically varied in a parameter ensemble analysis, which is described in a companion paper.
Leben in der ehemaligen DDR
(2020)
Der Potsdam Grievance Statistics File (PGSF) ist eine historische Datensammlung von Beschwerden, sog. Eingaben, die in der DDR von deren Bürgern eingereicht wurden. Die Eingaben wurden schriftlich oder mündlich gestellt und waren an staatliche Institutionen gerichtet. Der Staat zählte diese Eingaben und kategorisierte sie in Eingabenstatistiken.
Der PGSF enthält Eingabenstatistiken des Zeitraums 1970–1989 einer Wahrscheinlichkeitsstichprobe von im Jahr 1990 existierenden Kreisen. Zusätzlich finden sich Eingabenstatistiken eines Convenience-Samples von Kreisen aus dem Zeitraum 1970–1989.
Das Recht auf ein faires Verfahren gemäß Art. 6 der Europäischen Menschenrechtskonvention (EMRK) gewährleistet nach der ständigen Rechtsprechung des Europäischen Gerichtshofs für Menschenrechte die Fairness des Verfahrens insgesamt (»overall fairness«). Verkürzungen einzelner Verteidigungsrechte des Angeklagten können danach unter bestimmten Voraussetzungen innerhalb des Verfahrens ausgeglichen werden. Anna H. Albrecht leitet aus diesem Maßstab der Gesamtfairness ab, dass sich das nationale Strafverfahrensrecht und die Anforderungen des Art. 6 Abs. 1 und 3 EMRK an ebendieses wechselseitig beeinflussen. Sie analysiert, inwieweit der Gerichtshof solche Wechselwirkungen anzuerkennen bereit ist, und arbeitet sie am Beispiel des Rechts des Angeklagten auf Anwesenheit in der erstinstanzlichen Hauptverhandlung heraus, indem sie das einschlägige englische und deutsche Recht vergleicht und in Beziehung zu der entsprechenden Gewährleistung in Art. 6 Abs. 1, 3 EMRK setzt.
Gait analysis is an important tool for the early detection of neurological diseases and for the assessment of risk of falling in elderly people. The availability of low-cost camera hardware on the market today and recent advances in Machine Learning enable a wide range of clinical and health-related applications, such as patient monitoring or exercise recognition at home. In this study, we evaluated the motion tracking performance of the latest generation of the Microsoft Kinect camera, Azure Kinect, compared to its predecessor Kinect v2 in terms of treadmill walking using a gold standard Vicon multi-camera motion capturing system and the 39 marker Plug-in Gait model. Five young and healthy subjects walked on a treadmill at three different velocities while data were recorded simultaneously with all three camera systems. An easy-to-administer camera calibration method developed here was used to spatially align the 3D skeleton data from both Kinect cameras and the Vicon system. With this calibration, the spatial agreement of joint positions between the two Kinect cameras and the reference system was evaluated. In addition, we compared the accuracy of certain spatio-temporal gait parameters, i.e., step length, step time, step width, and stride time calculated from the Kinect data, with the gold standard system. Our results showed that the improved hardware and the motion tracking algorithm of the Azure Kinect camera led to a significantly higher accuracy of the spatial gait parameters than the predecessor Kinect v2, while no significant differences were found between the temporal parameters. Furthermore, we explain in detail how this experimental setup could be used to continuously monitor the progress during gait rehabilitation in older people.
Gait analysis is an important tool for the early detection of neurological diseases and for the assessment of risk of falling in elderly people. The availability of low-cost camera hardware on the market today and recent advances in Machine Learning enable a wide range of clinical and health-related applications, such as patient monitoring or exercise recognition at home. In this study, we evaluated the motion tracking performance of the latest generation of the Microsoft Kinect camera, Azure Kinect, compared to its predecessor Kinect v2 in terms of treadmill walking using a gold standard Vicon multi-camera motion capturing system and the 39 marker Plug-in Gait model. Five young and healthy subjects walked on a treadmill at three different velocities while data were recorded simultaneously with all three camera systems. An easy-to-administer camera calibration method developed here was used to spatially align the 3D skeleton data from both Kinect cameras and the Vicon system. With this calibration, the spatial agreement of joint positions between the two Kinect cameras and the reference system was evaluated. In addition, we compared the accuracy of certain spatio-temporal gait parameters, i.e., step length, step time, step width, and stride time calculated from the Kinect data, with the gold standard system. Our results showed that the improved hardware and the motion tracking algorithm of the Azure Kinect camera led to a significantly higher accuracy of the spatial gait parameters than the predecessor Kinect v2, while no significant differences were found between the temporal parameters. Furthermore, we explain in detail how this experimental setup could be used to continuously monitor the progress during gait rehabilitation in older people.
We study those nonlinear partial differential equations which appear as Euler-Lagrange equations of variational problems. On defining weak boundary values of solutions to such equations we initiate the theory of Lagrangian boundary value problems in spaces of appropriate smoothness. We also analyse if the concept of mapping degree of current importance applies to Lagrangian problems.
Depending on the biochemical and biotechnical approach, the aim of this work was to understand the mechanism of protein-glucan interactions in regulation and control of starch degradation. Although starch degradation starts with the phosphorylation process, the mechanisms by which this process is controlling and adjusting starch degradation are not yet fully understood. Phosphorylation is a major process performed by the two dikinases enzymes α-glucan, water dikinase (GWD) and phosphoglucan water dikinase (PWD). GWD and PWD enzymes phosphorylate the starch granule surface; thereby stimulate starch degradation by hydrolytic enzymes. Despite these important roles for GWD and PWD, so far the biochemical processes by which these enzymes are able to regulate and adjust the rate of phosphate incorporation into starch during the degradation process haven‘t been understood. Recently, some proteins were found associated with the starch granule. Two of these proteins are named Early Starvation Protein 1 (ESV1) and its homologue Like-Early Starvation Protein 1 (LESV). It was supposed that both are involved in the control of starch degradation, but their function has not been clearly known until now. To understand how ESV1 and LESV-glucan interactions are regulated and affect the starch breakdown, it was analyzed the influence of ESV1 and LESV proteins on the phosphorylating enzyme GWD and PWD and hydrolysing enzymes ISA, BAM, and AMY. However, the analysis determined the location of LESV and ESV1 in the chloroplast stroma of Arabidopsis. Mass spectrometry data predicted ESV1and LESV proteins as a product of the At1g42430 and At3g55760 genes with a predicted mass of ~50 kDa and ~66 kDa, respectively. The ChloroP program predicted that ESV1 lacks the chloroplast transit peptide, but it predicted the first 56 amino acids N-terminal region as a chloroplast transit peptide for LESV. Usually, the transit peptide is processed during transport of the proteins into plastids. Given that this processing is critical, two forms of each ESV1 and LESV were generated and purified, a full-length form and a truncated form that lacks the transit peptide, namely, (ESV1and tESV1) and (LESV and tLESV), respectively. Both protein forms were included in the analysis assays, but only slight differences in glucan binding and protein action between ESV1 and tESV1 were observed, while no differences in the glucan binding and effect on the GWD and PWD action were observed between LESV and tLESV. The results revealed that the presence of the N-terminal is not massively altering the action of ESV1 or LESV. Therefore, it was only used the ESV1 and tLESV forms data to explain the function of both proteins.
However, the analysis of the results revealed that LESV and ESV1 proteins bind strongly at the starch granule surface. Furthermore, not all of both proteins were released after their incubation with starches after washing the granules with 2% [w/v] SDS indicates to their binding to the deeper layers of the granule surface. Supporting of this finding comes after the binding of both proteins to starches after removing the free glucans chains from the surface by the action of ISA and BAM. Although both proteins are capable of binding to the starch structure, only LESV showed binding to amylose, while in ESV1, binding was not observed. The alteration of glucan structures at the starch granule surface is essential for the incorporation of phosphate into starch granule while the phosphorylation of starch by GWD and PWD increased after removing the free glucan chains by ISA. Furthermore, PWD showed the possibility of starch phosphorylation without prephosphorylation by GWD.
Biochemical studies on protein-glucan interactions between LESV or ESV1 with different types of starch showed a potentially important mechanism of regulating and adjusting the phosphorylation process while the binding of LESV and ESV1 leads to altering the glucan structures of starches, hence, render the effect of the action of dikinases enzymes (GWD and PWD) more able to control the rate of starch degradation. Despite the presence of ESV1 which revealed an antagonistic effect on the PWD action as the PWD action was decreased without prephosphorylation by GWD and increased after prephosphorylation by GWD (Chapter 4), PWD showed a significant reduction in its action with or without prephosphorylation by GWD in the presence of ESV1 whether separately or together with LESV (Chapter 5). However, the presence of LESV and ESV1 together revealed the same effect compared to the effect of each one alone on the phosphorylation process, therefore it is difficult to distinguish the specific function between them. However, non-interactions were detected between LESV and ESV1 or between each of them with GWD and PWD or between GWD and PWD indicating the independent work for these proteins. It was also observed that the alteration of the starch structure by LESV and ESV1 plays a role in adjusting starch degradation rates not only by affecting the dikinases but also by affecting some of the hydrolysing enzymes since it was found that the presence of LESV and ESV1leads to the reduction of the action of BAM, but does not abolish it.
This opinion article describes recent approaches to use the "biorefinery" concept to lower the carbon footprint of typical mass polymers, by replacing parts of the fossil monomers with similar or even the same monomer made from regrowing dendritic biomass. Herein, the new and green catalytic synthetic routes are for lactic acid (LA), isosorbide (IS), 2,5-furandicarboxylic acid (FDCA), and p-xylene (pXL). Furthermore, the synthesis of two unconventional lignocellulosic biomass derivable monomers, i.e., alpha-methylene-gamma-valerolactone (MeGVL) and levoglucosenol (LG), are presented. All those have the potential to enter in a cost-effective way, also the mass market and thereby recover lost areas for polymer materials. The differences of catalytic unit operations of the biorefinery are also discussed and the challenges that must be addressed along the synthesis path of each monomers.
This opinion article describes recent approaches to use the "biorefinery" concept to lower the carbon footprint of typical mass polymers, by replacing parts of the fossil monomers with similar or even the same monomer made from regrowing dendritic biomass. Herein, the new and green catalytic synthetic routes are for lactic acid (LA), isosorbide (IS), 2,5-furandicarboxylic acid (FDCA), and p-xylene (pXL). Furthermore, the synthesis of two unconventional lignocellulosic biomass derivable monomers, i.e., alpha-methylene-gamma-valerolactone (MeGVL) and levoglucosenol (LG), are presented. All those have the potential to enter in a cost-effective way, also the mass market and thereby recover lost areas for polymer materials. The differences of catalytic unit operations of the biorefinery are also discussed and the challenges that must be addressed along the synthesis path of each monomers.
This paper evaluates the construction of the rights of human rights defenders within international law and its shortcomings in protecting women. Human rights defenders have historically been defined on the basis of their actions as defenders. However, as Marxist-feminist scholar Silvia Federici contends, women are inherently politicised and, moreover, face obstacles to political action which are invisible to and untouchable by the law. Labour rights set an example of handling such a disadvantaged political position by placing vital importance on workers’ right to association and collective action. The paper closes with the suggestion that transposing this construction of rights to women would better protect women as human rights defenders while emphasising their capacity for self-determination in their political actions.
Hydrometric networks play a vital role in providing information for decision-making in water resource management. They should be set up optimally to provide as much information as possible that is as accurate as possible and, at the same time, be cost-effective. Although the design of hydrometric networks is a well-identified problem in hydrometeorology and has received considerable attention, there is still scope for further advancement. In this study, we use complex network analysis, defined as a collection of nodes interconnected by links, to propose a new measure that identifies critical nodes of station networks. The approach can support the design and redesign of hydrometric station networks. The science of complex networks is a relatively young field and has gained significant momentum over the last few years in different areas such as brain networks, social networks, technological networks, or climate networks. The identification of influential nodes in complex networks is an important field of research. We propose a new node-ranking measure – the weighted degree–betweenness (WDB) measure – to evaluate the importance of nodes in a network. It is compared to previously proposed measures used on synthetic sample networks and then applied to a real-world rain gauge network comprising 1229 stations across Germany to demonstrate its applicability. The proposed measure is evaluated using the decline rate of the network efficiency and the kriging error. The results suggest that WDB effectively quantifies the importance of rain gauges, although the benefits of the method need to be investigated in more detail.
Hydrometric networks play a vital role in providing information for decision-making in water resource management. They should be set up optimally to provide as much information as possible that is as accurate as possible and, at the same time, be cost-effective. Although the design of hydrometric networks is a well-identified problem in hydrometeorology and has received considerable attention, there is still scope for further advancement. In this study, we use complex network analysis, defined as a collection of nodes interconnected by links, to propose a new measure that identifies critical nodes of station networks. The approach can support the design and redesign of hydrometric station networks. The science of complex networks is a relatively young field and has gained significant momentum over the last few years in different areas such as brain networks, social networks, technological networks, or climate networks. The identification of influential nodes in complex networks is an important field of research. We propose a new node-ranking measure – the weighted degree–betweenness (WDB) measure – to evaluate the importance of nodes in a network. It is compared to previously proposed measures used on synthetic sample networks and then applied to a real-world rain gauge network comprising 1229 stations across Germany to demonstrate its applicability. The proposed measure is evaluated using the decline rate of the network efficiency and the kriging error. The results suggest that WDB effectively quantifies the importance of rain gauges, although the benefits of the method need to be investigated in more detail.
Type 2 diabetes (T2D) is a complex metabolic disease regulated by an interaction of genetic predisposition and environmental factors. To understand the genetic contribution in the development of diabetes, mice varying in their disease susceptibility were crossed with the obese and diabetes-prone New Zealand obese (NZO) mouse. Subsequent whole-genome sequence scans revealed one major quantitative trait loci (QTL),Nidd/DBAon chromosome 4, linked to elevated blood glucose and reduced plasma insulin and low levels of pancreatic insulin. Phenotypical characterization of congenic mice carrying 13.6 Mbp of the critical fragment of DBA mice displayed severe hyperglycemia and impaired glucose clearance at week 10, decreased glucose response in week 13, and loss of beta-cells and pancreatic insulin in week 16. To identify the responsible gene variant(s), further congenic mice were generated and phenotyped, which resulted in a fragment of 3.3 Mbp that was sufficient to induce hyperglycemia. By combining transcriptome analysis and haplotype mapping, the number of putative responsible variant(s) was narrowed from initial 284 to 18 genes, including gene models and non-coding RNAs. Consideration of haplotype blocks reduced the number of candidate genes to four (Kti12,Osbpl9,Ttc39a, andCalr4) as potential T2D candidates as they display a differential expression in pancreatic islets and/or sequence variation. In conclusion, the integration of comparative analysis of multiple inbred populations such as haplotype mapping, transcriptomics, and sequence data substantially improved the mapping resolution of the diabetes QTLNidd/DBA. Future studies are necessary to understand the exact role of the different candidates in beta-cell function and their contribution in maintaining glycemic control.
Background:
Childhood and adolescence are critical stages of life for mental health and well-being. Schools are a key setting for mental health promotion and illness prevention. One in five children and adolescents have a mental disorder, about half of mental disorders beginning before the age of 14. Beneficial and explainable artificial intelligence can replace current paper- based and online approaches to school mental health surveys. This can enhance data acquisition, interoperability, data driven analysis, trust and compliance. This paper presents a model for using chatbots for non-obtrusive data collection and supervised machine learning models for data analysis; and discusses ethical considerations pertaining to the use of these models.
Methods:
For data acquisition, the proposed model uses chatbots which interact with students. The conversation log acts as the source of raw data for the machine learning. Pre-processing of the data is automated by filtering for keywords and phrases.
Existing survey results, obtained through current paper-based data collection methods, are evaluated by domain experts (health professionals). These can be used to create a test dataset to validate the machine learning models. Supervised learning
can then be deployed to classify specific behaviour and mental health patterns.
Results:
We present a model that can be used to improve upon current paper-based data collection and manual data analysis methods. An open-source GitHub repository contains necessary tools and components of this model. Privacy is respected through
rigorous observance of confidentiality and data protection requirements. Critical reflection on these ethics and law aspects is included in the project.
Conclusions:
This model strengthens mental health surveillance in schools. The same tools and components could be applied to other public health data. Future extensions of this model could also incorporate unsupervised learning to find clusters and patterns
of unknown effects.
In clinical settings, significant resources are spent on data collection and monitoring patients' health parameters to improve decision-making and provide better care. With increased digitization, the healthcare sector is shifting towards implementing digital technologies for data management and in administration. New technologies offer better treatment opportunities and streamline clinical workflow, but the complexity can cause ineffectiveness, frustration, and errors. To address this, we believe digital solutions alone are not sufficient. Therefore, we take a human-centred design approach for AI development, and apply systems engineering methods to identify system leverage points. We demonstrate how automation enables monitoring clinical parameters, using existing non-intrusive sensor technology, resulting in more resources toward patient care. Furthermore, we provide a framework on digitization of clinical data for integration with data management.
This book endeavours to understand the seemingly direct link between utopianism and the USA, discussing novels that have never been brought together in this combination before, even though they all revolve around intentional communities: Imlay’s The Emigrants (1793), Hawthorne’s The Blithedale Romance (1852), Howland’s Papas Own Girl (1874), Griggs’s Imperium in Imperio (1899), and Du Bois’s The Quest of the Silver Fleece (1911). They relate nation and utopia not by describing perfect societies, but by writing about attempts to immediately live radically different lives. Signposting the respective communal history, the readings provide a literary perspective to communal studies, and add to a deeply necessary historicization for strictly literary approaches to US utopianism, and for studies that focus on Pilgrims/Puritans/Founding Fathers as utopian practitioners. This book therefore highlights how the authors evaluated the USA’s utopian potential and traces the nineteenth-century development of the utopian imagination from various perspectives.
When infants observe a human grasping action, experience-based accounts predict that all infants familiar with grasping actions should be able to predict the goal regardless of additional agency cues such as an action effect. Cue-based accounts, however, suggest that infants use agency cues to identify and predict action goals when the action or the agent is not familiar. From these accounts, we hypothesized that younger infants would need additional agency cues such as a salient action effect to predict the goal of a human grasping action, whereas older infants should be able to predict the goal regardless of agency cues. In three experiments, we presented 6-, 7-, and 11-month-olds with videos of a manual grasping action presented either with or without an additional salient action effect (Exp. 1 and 2), or we presented 7-month-olds with videos of a mechanical claw performing a grasping action presented with a salient action effect (Exp. 3). The 6-month-olds showed tracking gaze behavior, and the 11-month-olds showed predictive gaze behavior, regardless of the action effect. However, the 7-month-olds showed predictive gaze behavior in the action-effect condition, but tracking gaze behavior in the no-action-effect condition and in the action-effect condition with a mechanical claw. The results therefore support the idea that salient action effects are especially important for infants' goal predictions from 7 months on, and that this facilitating influence of action effects is selective for the observation of human hands.
Verwaltungsmodernisierung
(2020)
Die Modernisierung der öffentlichen Verwaltung hat sich längst zu einer Daueraufgabe entwickelt. In den Modernisierungsprozessen stehen derzeit zwei Segmente besonders im Fokus: Digitalisierung und Partizipation. Digitalisierung geht heute weit über die ursprünglich mit diesem Stichwort angesprochene Umwandlung analoger Daten in elektronische Datenformate hinaus. Die Programmatik der Digitalisierung zielt auf den möglichst umfassenden Einsatz elektronischer Informations- und Kommunikationstechniken zur Unterstützung, Beschleunigung, Rationalisierung und in Teilen auch Ersetzung von herkömmlichen Verwaltungsabläufen mit der Perspektive auf eine Transformation und Durchdringung sowohl des gesamten Verwaltungshandelns als auch der gesamten Verwaltungsorganisation. Demgegenüber meint Partizipation nach gängigem Verständnis die Beteiligung von Bürgern und anderen gesellschaftlichen Akteuren an politischen Willensbildungs- und Entscheidungsprozessen. In spezifisch administrativem Zusammenhang geht es vor allem um die Einbindung von Bürgern in Entscheidungsprozesse der Verwaltung und um die Aktivierung der Zivilgesellschaft, die Erschließung bürgerschaftlichen Engagements sowie gesellschaftlicher Ressourcen für die Erfüllung von Verwaltungsaufgaben – und dies alles mit dem Ziel einer Verbesserung der Legitimität und Qualität öffentlicher Verwaltung. Die beiden Modernisierungsansätze stehen nicht unverbunden nebeneinander. Vielmehr gehen sie nicht selten ineinander über. Beispiele dafür sind die Bereitstellung von Optionen zu elektronischer Stellung und Bearbeitung von Anträgen sowie von elektronischen Plattformen für die Bürgerpartizipation.
An diesen Themenfeldern der Verwaltungsmodernisierung setzt der Tagungsband an. Er dokumentiert den Gedankenaustausch über Digitalisierungs- und Partizipationsprozesse zwischen polnischen und deutschen Verwaltungsrechtswissenschaftlern auf einer Tagung, die im Dezember 2019 an der Universität Potsdam stattgefunden hat.
Does a smile open all doors?
(2020)
Online photographs govern an individual’s choices across a variety of contexts. In sharing arrangements, facial appearance has been shown to affect the desire to collaborate, interest to explore a listing, and even willingness to pay for a stay. Because of the ubiquity of online images and their influence on social attitudes, it seems crucial to be able to control these aspects. The present study examines the effect of different photographic self-disclosures on the provider’s perceptions and willingness to accept a potential co-sharer. The findings from our experiment in the accommodation-sharing context suggest social attraction mediates the effect of photographic self-disclosures on willingness to host. Implications of the results for IS research and practitioners are discussed.
Say it with double flowers
(2020)
Every year, lovers world-wide rely on mutants to show their feelings on Valentine's Day. This is because many of the most popular ornamental flowering plants have been selected to form extra petals at the expense of reproductive organs to enhance their attractiveness and aesthetic value to humans. This so-called 'double flower' (DF) phenotype, first described more than 2000 years ago (Meyerowitz et al., 1989) is present, for example, in many modern roses, carnations, peonies, and camellias. Gattolin et al. (2020) now identify a unifying explanation for the molecular basis of many of these DF cultivars.
We report on the detection of very high energy (VHE; E > 100 GeV) gamma-ray emission from the BL Lac objects KUV 00311-1938 and PKS 1440-389 with the High Energy Stereoscopic System (H.E.S.S.). H.E.S.S. observations were accompanied or preceded by multiwavelength observations with Fermi/LAT, XRT and UVOT onboard the Swift satellite, and ATOM. Based on an extrapolation of the Fermi/LAT spectrum towards the VHE gamma-ray regime, we deduce a 95 per cent confidence level upper limit on the unknown redshift of KUV 00311-1938 of z < 0.98 and of PKS 1440-389 of z < 0.53. When combined with previous spectroscopy results, the redshift of KUV 00311-1938 is constrained to 0.51 <= z < 0.98 and of PKS 1440-389 to 0.14 (sic) z < 0.53.
We report on the detection of very high energy (VHE; E > 100 GeV) gamma-ray emission from the BL Lac objects KUV 00311-1938 and PKS 1440-389 with the High Energy Stereoscopic System (H.E.S.S.). H.E.S.S. observations were accompanied or preceded by multiwavelength observations with Fermi/LAT, XRT and UVOT onboard the Swift satellite, and ATOM. Based on an extrapolation of the Fermi/LAT spectrum towards the VHE gamma-ray regime, we deduce a 95 per cent confidence level upper limit on the unknown redshift of KUV 00311-1938 of z < 0.98 and of PKS 1440-389 of z < 0.53. When combined with previous spectroscopy results, the redshift of KUV 00311-1938 is constrained to 0.51 <= z < 0.98 and of PKS 1440-389 to 0.14 (sic) z < 0.53.
The unidentified very-high-energy (VHE; E > 0.1 TeV) gamma -ray source, HESS J1826-130, was discovered with the High Energy Stereoscopic System (HESS) in the Galactic plane. The analysis of 215 h of HESS data has revealed a steady gamma -ray flux from HESS J1826-130, which appears extended with a half-width of 0.21 degrees +/- 0.02 <br /> (stat)degrees <br /> stat degrees +/- 0.05 <br /> (sys)degrees sys degrees . The source spectrum is best fit with either a power-law function with a spectral index Gamma = 1.78 +/- 0.10(stat) +/- 0.20(sys) and an exponential cut-off at 15.2 <br /> (+5.5)(-3.2) -3.2+5.5 TeV, or a broken power-law with Gamma (1) = 1.96 +/- 0.06(stat) +/- 0.20(sys), Gamma (2) = 3.59 +/- 0.69(stat) +/- 0.20(sys) for energies below and above E-br = 11.2 +/- 2.7 TeV, respectively. The VHE flux from HESS J1826-130 is contaminated by the extended emission of the bright, nearby pulsar wind nebula, HESS J1825-137, particularly at the low end of the energy spectrum. Leptonic scenarios for the origin of HESS J1826-130 VHE emission related to PSR J1826-1256 are confronted by our spectral and morphological analysis. In a hadronic framework, taking into account the properties of dense gas regions surrounding HESS J1826-130, the source spectrum would imply an astrophysical object capable of accelerating the parent particle population up to greater than or similar to 200 TeV. Our results are also discussed in a multiwavelength context, accounting for both the presence of nearby supernova remnants, molecular clouds, and counterparts detected in radio, X-rays, and TeV energies.
During the phases of mobile warfare, the ethnically and religiously very heterogeneous population in the border regions of the multi-ethnic empires suffered in particular. Even if the real military situation in the course of the war hardly gave cause for concern, the image of disloyal ethnic and national minorities was widespread. This was particularly the case when ethnic groups lived on both sides of the border and social and political tensions had already established themselves along ethnic or religious lines of conflict before the war. Displacements, deportations and mass violence were the result. The genocide of the Armenian population is the most extreme example of this development. This anthology examines the border regions of the Ottoman, Russian and Habsburg empires during the First World War with regard to radical population policy and genocidal violence from a comparative perspective in order to draw a more precise picture of escalating and deescalating factors.
Die Immediatzeitungsberichte der Potsdamer Regierungspräsidenten 1867-1914
Band 4., Registerband
(2020)
Materielle Miniaturen
(2020)
G. Lehnert / M. Weilandt: Materielle Miniaturen – I. Dettmann: Von der Faszination der Miniatur. Kleine Dinge in Kunst- und Wunderkammern – A. Koller: Kunst en miniature. Niederländische Puppenhäuser der Frühen Neuzeit als Räume soziokultureller Reflexion – G. Lehnert: Andere Räume: Puppenhäuser – A. C. Cremer: Geduld im Glas. Vom Herstellen und Konservieren einer Tugend – J. Burde: Mode-Miniaturen – B. Hoffmann: Ethnographische Miniaturen – S. Haas: Modelleisenbahnen als Geschichtssimulationen – R. Schilling / D. Niewerth: Das Virtuelle zum Quadrat: Die seltsame Geschichte des Walfängers RAU IX, seines Werftmodells und des Digitalen im Museum – J. Dreyer: Miniaturisiertes Erleben – Unbehagliche Dioramen in Ari Asters Hereditary – M. Weilandt: Ways of Worldmaking: Die Miniaturen von Willard Wigan, Tessa Farmer und Rithy Panh – V. Peselmann: Künstlerbücher als Miniaturen. Material und Handhabung von globalpolitischen Relationen in einem Werk von Christine Kermaire – K. Schrader: Porträt-Miniaturen als interaktive Medien in der höfischen Repräsentationskultur des 18. Jahrhunderts – N. C. Ritter: Miniatur in Serie: Gemmen in Adalbert Stifters Roman Der Nachsommer (1857) – J. Ungelenk: Rilkes ‚Tanagra‘. Miniatur mit Mädchenhänden – S. Singh: Christoph Ransmayrs Versuch eines Romans als Miniatur – H.-C. Stillmark: Hilbigs Italienreise – Vom praktischen Nutzen der Miniatur – J. Mikota: ,Ja, ich wußte noch nicht, daß es eine andre Welt gebe, als in dieser Stube‘: Die Gestaltung von Miniaturwelten als narratives Handeln im Werk der Autorin Emma Biller.
Philosophie & Weltbild
(2020)
Zyklizität & Rhythmik
(2020)
Daniel Kehlmann ist als Autor ebenso populär wie umstritten. Seine Romane sind Besteller und zugleich Gegenstand kontroverser Debatten. Im literarischen Leben ist Kehlmann eine Stimme, die mit ebenso differenzierten wie provokativen Interventionen auf sich aufmerksam macht.
In diesem Band wird der Versuch unternommen, Autor und Werk im literarischen Feld der Gegenwart zu verorten. Dabei wird einerseits Kehlmanns Poetik rekonstruiert, mit besonderer Berücksichtigung der für seine Texte charakteristischen intertextuellen und intermedialen Bezüge. Andererseits wird seine Werkpolitik in den Blick genommen. Autor und Werk, aber auch ihre Rezeption sollen zudem mit Blick auf spezifische Tendenzen der Gegenwartsliteratur befragt werden – etwa ein vermeintliches oder tatsächliches Spannungsverhältnis zwischen ›unterhaltender‹ und ›ernster‹ Literatur – und gegebenenfalls auch den Anlass bieten, bestehende Analyse- und Beschreibungskategorien zur Diskussion zu stellen.
Königs Wusterhausen
(2020)
Als früheste Erwähnung der heutigen Stadtgemeinde Königs Wusterhausen gilt die Nennung am 19. September 1320. Zunächst im Besitz verschiedener lokaler Adelsgeschlechter, wurde der Ort ab 1683 kurfürstlicher bzw. später königlicher Besitz. 1718 erfolgte die Umbenennung von Wendisch Wusterhausen in Königs Wusterhausen. Seit 1898 bildete die Gemeinde zusammen mit Neue Mühle einen Gemeindebezirk, der sich bis 1932 weiter vergrößerte, bevor er drei Jahre später zur Stadt erhoben wurde. Von 1952 bis 1993 war Königs Wusterhausen Kreisstadt im gleichnamigen Kreis des Bezirks Potsdam. 1974 wurde Deutsch Wusterhausen eingemeindet, 2003 folgten Kablow, Niederlehme, Senzig, Wernsdorf, Zeesen und Zernsdorf sowie 2004 Diepensee.
Dieser reich bebilderte Band bietet einen Überblick über die wechselvolle Geschichte der Stadt und ihrer Ortsteile, ergänzt um essayistische Beiträge zum Schloss, zur Großfunkstation, zu kulturtouristischen Sehenswürdigkeiten und zum Dahmelandmuseum.
Minor cosmopolitan
(2020)
Cosmopolitanism is a theory about how to live together. The earliest formulation of cosmopolitanism in the West could be dated to as early as the fourth century BCE in ancient Greece by Diogenes, who famously said that he was a “citizen of the world – kosmopolitês,” an idea later picked up by Immanuel Kant, the German philosopher who proposed a philosophy of a world of “perpetual peace.” When cosmopolitanism first emerged as a political idea for modernity in the European Enlightenment, the project embraced the liberal promises of a globalizing economy, yet remained oblivious to, and even complicit with, capitalism, slavery and colonialism. It centered on the male, bourgeois, and white liberal subject, irrespective of the ongoing disenfranchisement, dehumanization, and extermination of its Others.
At the dawn of the 21st century, and in the wake of rapid globalization however, academics, politicians and other pundits enthusiastically declared cosmopolitanism to be no longer just a philosophical ideal, but a real, existing fact. Across the globe, they argued, people were increasingly thinking and feeling beyond the nation, considering themselves citizens of the world. Meanwhile, the global ecological crisis worsens, fascism with different outfits returns in many places of the world, the repression of women, sexual, racial, class and other minorities on a global scale persists; the so called “refugee crisis” inundates the mediascape and political spectacle. Not much of those cosmopolitan promises have left it seems. Perhaps precisely because of this, however, it seems to be an absolute necessity for scholars, activists, and artists today to face the complexities and promises cosmopolitanism has raised although not adequately answered. What has happened to the cosmopolitan promise, and who betrayed it?
“Minor cosmopolitanisms” wishes to challenge the underlying premises of ‘major’ cosmopolitanism without letting go of the unfulfilled emancipatory potential of the concept at large. It wants to rethink cosmopolitanisms in the plural, and trace multiple origins and trajectories of cosmopolitan thought from across the globe. Regarding cosmopolitanisms as emerging through diverse locally, historically and politically specific practices, minor cosmopolitanisms are predicated on difference without abandoning the quest for a shared vision of conviviality and justice. It seeks to answer: how to live at once with our difference and shared struggle? How to think our complicity with even those we most resist? Who sustains the world’s flourishing despite all this?
Susanne Voigt
(2020)
Haushalten als ökonomisches Prinzip lässt sich nicht auf den privaten Raum beschränken, sondern ist weit darüber hinaus in ganz verschiedenen Bereichen der Marktwirtschaft beheimatet. Im Kern bezeichnet Haushalten jede Art von planvoller Tätigkeit mit dem Ziel, knappe Mittel oder wirtschaftliche Güter bestmöglich zu nutzen. Damit findet Haushalten im Kleinen wie im Großen statt. Es ist eine Konstante, die allen wirtschaftlichen Handlungen der Akteure und ihrer Beziehungen zugrunde liegt. Das umfasst Einzelpersonen und Privathaushalte genauso wie Wirtschaftsunternehmen und Nationalstaaten.
Schülerinnen und Schülern diese komplexen Zusammenhänge anschaulich und alltagsnah zu vermitteln, ist eine verantwortungsvolle Aufgabe. Mit dieser Ausgabe von Unterricht Wirtschaft + Politik erhalten Sie Unterrichtsvorschläge und Arbeitsmaterialien, die Sie dabei unterstützen.
Remembering German- Australian Colonial Entanglements emphatically promotes a critical and nuanced understanding of the complex entanglement of German colonial actors and activities within Australian colonial institutions and different imperial ideologies.
Case studies ranging from the German reception of James Cook's voyages through to the legacies of 19th- and 20th- century settler colonialism foreground the highly ambiguous roles played by explorers, missionaries, intellectuals and other individuals, as well as by objects and things that travelled between worlds - ancestral human remains, rare animal skins, songs and even military tanks. The chapters foreground the complex relationship between science, religion, art and exploitation, displacement and annihilation. Contributors trace how these entanglements have been commemorated or forgotten over time - by Germans, settler-Australians and Indigenous people.
Bringing to light a critical understanding of the German involvement in the Australian colonial project, Remembering German- Australian Colonial Entanglements will be of great interest to scholars of colonialism, postcolonialism, German Studies and Indigenous Studies. But for the editors' substantial new introductory chapter, these contributions originally appeared in a special issue of Postcolonial Studies.
Halb Europa in Brandenburg
(2020)
Die Mark Brandenburg gehörte zu den am stärksten vom Dreißigjährigen Krieg verwüsteten Gebieten. Diese zogen sich wie ein breiter Streifen von Nordost- über Mitteldeutschland bis an den Mittel- und Oberrhein. Nachdem der junge brandenburgische Kurfürst Friedrich Wilhelm im März 1643 nach langen Jahren im Kriegsexil in seine Stammlande zurückgekehrt war, musste er feststellen, dass diese gründlich ruiniert waren. Dort hatte der Krieg vor allem in den 1630er Jahren nach dem Einfall des schwedischen Königs Gustav II. Adolf in Pommern besonders heftig gewütet.
Mehr noch als in den Städten hatten die Menschen in den Dörfern und unbefestigten Flecken unter den Söldnerheeren zu leiden gehabt. Die ständigen Durchmärsche des Kriegsvolks, dessen Einquartierungen und Übergriffe führten zu Hungersnöten, Pestwellen und Massenflucht der Zivilbevölkerung. Der Wiederaufbau der Mark Brandenburg sollte sich, auch wenn er schon in den letzten Kriegsjahren eingesetzt hatte, wegen des wirtschaftlichen Zusammenbruchs, der massiven Zerstörungen und der enormen Menschenverluste als äußerst langwierig erweisen.
Die in den Kriegswirren erlittenen Traumata der Menschen prägten – nicht nur in Brandenburg – bis zum Ersten Weltkrieg die Erinnerungskultur der nachfolgenden Generationen.
Why is Cleopatra, a descendent of Alexander the Great, a Ptolemy from a Greek–Macedonian family, in popular imagination an Oriental woman? True, she assumed some aspects of pharaonic imagery in order to rule Egypt, but her Orientalism mostly derives from ancient (Roman) and modern stereotypes: both the Orient and the idea of a woman in power are signs, in the Western tradition, of ‘otherness’ – and in this sense they can easily overlap and interchange.
This volume investigates how ancient women, and particularly powerful women, such as queens and empresses, have been re-imagined in Western (and not only Western) arts; highlights how this re-imagination and re-visualization is, more often than not, the product of Orientalist stereotypes – even when dealing with women who had nothing to do with Eastern regions; and compares these images with examples of Eastern gaze on the same women. Through the chapters in this volume, readers will discover the similarities and differences in the ways in which women in power were and still are described and decried by their opponents.
Daniel Kehlmann ist als Autor ebenso populär wie umstritten. Seine Romane sind Besteller und zugleich Gegenstand kontroverser Debatten. Im literarischen Leben ist Kehlmann eine Stimme, die mit ebenso differenzierten wie provokativen Interventionen auf sich aufmerksam macht.
In diesem Band wird der Versuch unternommen, Autor und Werk im literarischen Feld der Gegenwart zu verorten. Dabei wird einerseits Kehlmanns Poetik rekonstruiert, mit besonderer Berücksichtigung der für seine Texte charakteristischen intertextuellen und intermedialen Bezüge. Andererseits wird seine Werkpolitik in den Blick genommen. Autor und Werk, aber auch ihre Rezeption sollen zudem mit Blick auf spezifische Tendenzen der Gegenwartsliteratur befragt werden – etwa ein vermeintliches oder tatsächliches Spannungsverhältnis zwischen ›unterhaltender‹ und ›ernster‹ Literatur – und gegebenenfalls auch den Anlass bieten, bestehende Analyse- und Beschreibungskategorien zur Diskussion zu stellen.
In the literature of Graeco-Roman antiquity, speaking animals are most prominent in fables, but in fact they are a genre-crossing phenomenon. Ancient traditions of animal speech continue to have an effect on European literature up to the present day and at the same time have parallels in other early civilizations like Ancient Egypt and Mesopotamia.
In the 21 contributions of this interdisciplinary conference volume, international researchers from the fields of Classical Philology, Ancient History, Egyptology, Ancient Oriental Studies, Theology and Jewish Studies explore animal speech in ancient texts from the very beginnings to late antiquity, including their reception. Contexts relating to literary, intellectual, cultural and social history are considered as well as concepts of animality and humanity, building a bridge to the more recently established Human-Animal Studies.
Der zweite Teil des bewährten Lehr- und Handbuchs Geschichte der deutschen Sprache enthält konzise und trotzdem leicht verständliche Darstellungen des Alt-, Mittel- und Frühneuhochdeutschen im Bereich der Phonologie, der Graphematik, der Morphologie und der Syntax. Dabei handelt es sich nicht nur um synchrone Beschreibungen des jeweiligen Sprachzustands, sondern auch um die Entwicklung des deutschen Sprachbaus auf allen strukturellen Ebenen. Die Verbindung von grammatischer Synchronie und struktureller Diachronie ist ein besonderes Markenzeichen dieses zweiten Teils der Schmidt'schen Sprachgeschichte.
Die Geschichte der deutschen Sprache als unverzichtbares Standardwerk für das germanistische Studium erscheint nunmehr in der 12., überarbeiteten und aktualisierten Auflage. Das umfassende Lehrbuch zur Sprachgeschichte gliedert sich fortan in zwei Bände: Dieser erste Teil bietet neben einer Einführung in sprachgeschichtliche Fragen eine detaillierte Darstellung der Vorgeschichte und der Geschichte der deutschenSprache bis in die Gegenwart. Basierend auf intensiven Quellenanalysen fokussiert sich die Darstellung auf kultur- und sozialgeschichtliche Aspekte. Lediglich dieKapitel zur indogermanischen und germanischen Sprache enthalten bereits wichtige strukturgeschichtliche Informationen.
João Guimarães Rosa (1908-1967) ist der wichtigste Romancier Brasiliens aus der Zeit seiner literarischen Schaffensperiode in der Mitte des 20. Jahrhunderts. Von 1938-1942 wirkte er als Vizekonsul Brasiliens in Hamburg und war somit der einzige lateinamerikanische Intellektuelle seines Rangs, der während der Nazi-Diktatur derart lange in Deutschland lebte. Diese Erfahrung, die einem seit der Kindheit idealisierten Bezug zur deutschen Sprache viel differenziertere Färbungen verlieh, verstärkte trotz der ernüchternden Konfrontation mit dem Land unter dem Naziregime die geistigen Bande, die ihn und das kulturelle Erbe vom deutschsprachigen Europa zusammenhielten. Zu der Zeit verbrachte der künftige deutsche Übersetzer von Rosa, Curt Meyer-Clason (1910-2012) seine Jugendjahre in Brasilien als Kaufmann im Baumwollimport und geriet somit in Kontakt mit Agenten des NS-Regimes. Auf Befehl brasilianischer Behörden wurde er deshalb von 1942-1946 interniert. In der Haftzeit begann seine Beziehung zur Literatur, der er sich nach der Rückkehr nach Europa bis zu seinem Lebensende hauptberuflich widmete. In relativ kurzer Zeit machte sich Meyer-Clason einen Namen als Übersetzer iberoamerikanischer Literatur, insbesondere des mittlerweile international anerkannten Guimarães Rosa. Der vorliegende Band mit Beiträgen von prominenten deutschen, brasilianischen und portugiesischen Literaturwissenschaftler*innen setzt sich mit der intellektuellen Zusammenarbeit zwischen dem Schriftsteller und dem Übersetzer, einem besonderen Fall im transarealen Raum der deutsch-brasilianischen Kulturbeziehungen.
Feministisches Spekulieren
(2020)
Es ist eines der zentralen feministischen Anliegen, die realitätskonstituierende Wirkmacht von Narrationen für die Vorstellung von Geschichte und Gegenwart ernst zu nehmen. Während ab den 1960er-Jahren Science-Fiction-Autor*innen das Spekulative zum Imaginieren und Fabulieren von Post-race und Post-Gender-Welten nutzten, zeichnet sich seit einiger Zeit eine Veränderung in der feministischen Bezugnahme auf das Spekulative ab. Autor*innen wie Donna J. Haraway, Saidiya Hartman und Anna L. Tsing schlagen das Fabulative und Spekulative für eine andere Sicht auf das Jetzt und Hier vor, um sich der Komplexität von Klimawandel, Anthropozän und Dekolonisierung anzunehmen. Statt eine geschlossene Erzählung über etwas zu erzeugen, zeichnen sich die verschiedenen Unternehmungen feministischen Spekulierens durch besondere Modi der Situierung, Relationalität, Verantwortung und Offenheit aus.
Der Band verfolgt eine Theorie- und Diskursgeschichte feministischer Genealogien, die ein besonderes Augenmerk auf Fragen der spekulativen Narrationen und Zeitlichkeiten legen. Dabei werden Autor*innen wie Luce Irigaray, Ursula K. Le Guin oder Hélène Cixous wieder- und neugelesen sowie Fragen nach dem kritischen Potenzial des Möglichen und Spekulativen für die Gegenwart aufgeworfen.
Jahresbericht 2018/2019
(2020)
Das MenschenRechtsZentrum der Universität Potsdam (MRZ) besteht seit 25 Jahren. Der Jahresbericht 2018/2019 gibt neben einer Einleitung zu Entstehung, Entwicklung und Aufgaben des MRZ vor allem Informationen zur Organisationsstruktur und zu der Tätigkeit im Berichtszeitraum. Das Spektrum der Arbeitsergebnisse reicht von der Forschung über Veranstaltungen bis hin zu Publikationen. Zudem verweist der Bericht auf die von seinen Angehörigen gehaltenen Lehrveranstaltungen zu menschenrechtsrelevanten Themen.
Theories and concepts
(2020)
Urban Change and Citizenship in Times of Crisis addresses the fact that in the beginning of the twenty-first century the majority of the world’s population is urbanised, a social fact that has turned cities more than ever into focal sites of social change. Multiple economic and political strategies, employed by a variety of individual and collective actors, on a number of scales, constitute cities as contested spaces that hold opportunities as well as restrictions for their inhabitants. While cities and urban spaces have long been of central concern for the social sciences, today, classical sociological questions about the city acquire new meaning: Can cities be spaces of emancipation, or does life in the modern city entail a corrosion of citizenship rights? Is the city the focus of societal transformation processes, or do urban environments lose importance in shaping social reality and economic relationships? Furthermore, new questions urgently need to be asked: What is the impact of different historical phenomena such as neo-liberal restructuring, financial and economic crises, or migration flows, as well as their respective counter-movements, on the structure of contemporary cities and on the citizenship rights of city inhabitants? The three volumes address such crucial questions thereby opening up new spaces of debate on both the city and new developments of urbanism.
The contributions to Theories and Concepts offer new theoretical reflections on the city in a philosophical and historical perspective as well as fresh empirical analyses of social life in urban contexts. Chapters not only critically revisit classical and modern philosophical considerations about the nature of cities but no less discuss normative philosophical reflections of urban life and the role of religion in historical processes of the emergence of cities. Composed around the question whether there can be such a thing as a ‘successful city’, this volume addresses issues of urban political subjectivities by considering the city’s role in historical processes of emancipation, the fight for citizenship rights, and today’s challenges and opportunities with regard to promoting social justice, integration, and diversity. Consequentially, theory-driven empirical analyses offer new insight into ways of solving problems in urban contexts and a genuine approach to analyse the Social Quality in cities.
Urban neo-liberalisation
(2020)
The contributions to Urban neo- liberalisation bring together critical analyses of the dynamics and processes neo- liberalism has facilitated in urban contexts. Recent developments, such as intensified economic investment and exposure to aggressive strategies of banks, hedge- funds and investors, and long- term processes of market- and state- led urban restructuration, have produced uneven urban geographies and new forms of exclusion and marginality. These strategies have no less transformed the governance of cities by subordinating urban social life to rationalities and practices of competition within and between cities, and they also heavily impact on city inhabitants’ experience of everyday life. Against the backdrop of recent austerity politics and a marketisation of cities, this volume discusses processes of urban neo- liberalisation with regard to democracy and citizenship, inclusion and exclusion, opportunities, and life- chances. It addresses pressing issues of commodification of housing and home, activation of civil society, vulnerability, and the right to the city.
At times of triumphant neo-liberalism cities increasingly become objects of financial speculation. Formally, social and political rights might not be abolished, yet factually they have become inaccessible for large parts of the population. The contributions gathered in this volume shed light on the clash between the perspectives of restructuring and reordering urban environments in the interest of investors and the manifold and innovative agencies of resistance that claim and stand up for the rights of urban citizenship. Renewed waves of urban transformation employ state coercion to foster the expulsion of poor and marginalised inhabitants from those urban spaces that attract interest from speculators. The intervention of state agencies triggers the work of hegemonic culture for reframing the housing issue and implementing moral and political legitimation, as well as legislation that restricts urban citizenship rights. The case studies of the volume comparatively show the different and sometimes contradictory patterns of these conflicts in Berlin, Sydney, Belfast, Jerusalem, Amsterdam, and İstanbul as well as in metropoles of Latin America and China. Innovative resistance agencies emerge that paint possible paths for the re-establishment of the right to the city as the core of urban citizenship.
Stetig steigende Studierendenzahlen und Studierendenerwartungen der „Generation Z“ als „Digital Natives“ stellen Hochschulen bei gleichbleibenden Lehrressourcen vor vielfältige technische, didaktische, organisationale und curriculare Herausforderungen. Aufgrund ihrer Diversität und Heterogenität gibt es keinen einheitlichen Weg der digitalen Transformation im Hochschulsektor. Curricula, Studienstrukturen, Präsenzlehre und digitale Lehr- und Lernangebote müssen auf die jeweiligen Hochschulen, Zielgruppen und Kooperationspartner zugeschnitten werden. Dabei müssen auch neue Zielgruppen erreicht werden, z.B. Berufstätige und Teilzeitstudierende, und die Individualisierung sowie die nationale und internationale Studierendenmobilität gefördert werden. Kompetenzen für die Informationsextraktion aus Lern- und Studienprozessen, (Big) Data Analytics und Visualisierung, Künstliche Intelligenz und Augmented Reality müssen in Hochschulen aufgebaut werden. Von der digitalen Transformation sind alle Bereiche von Hochschulen betroffen, z.B. Präsidien, Fakultäten und gleichgestellte Einrichtungen, Universitätsverwaltungen, Forschungseinrichtungen sowie zentrale und dezentrale (IT-)Dienstleister, die sich mit schnell verändernden Anforderungs- und Rollenprofilen anpassen müssen. Ferner sind rechtliche Rahmenbedingungen zu betrachten, z.B. Datenschutzanforderungen, um die Potenziale von digitalen Lehr- und Lernangeboten und von digitalen Medien in der Lehre zu erschließen. Dieser Track diskutiert theoretische, konzeptionelle, gestaltungsorientierte, empirische und verhaltensorientierte Beiträge.
Cultures of Intelligence analyses the intelligence services of Germany, Britain, the USA, and France in the first half of the twentieth century. It asks whether there were national traditions in intelligence, or whether each of the sophisticated Western intelligence powers was part of a transnational intelligence culture? The book is a contribution to the cultural turn in intelligence studies. Its underlying purpose is to place intelligence in its proper historical and comparative context. As such it is also a contribution to the history of political culture and its study.
Landesrecht Brandenburg
(2020)
Die aktuelle 23. Auflage umfasst die wichtigsten Vorschriften des Landes Brandenburg und ist als Grundlage für das Studium und die Praxis von Rechtsprechung, Verwaltung und Anwaltschaft bestens geeignet.Berücksichtigt sind die Novellen zum Kommunalrecht, zur Bauordnung, zum Polizeigesetz, zum Datenschutzrecht und zum Recht der Juristenausbildung. Das ausführliche Stichwortverzeichnis und die Satznummerierung ermöglichen das schnelle Auffinden der gesuchten Norm, Schaubilder verdeutlichen den Aufbau der Gerichtsbarkeit und der Verwaltung im Land Brandenburg. Die Sammlung ist in Brandenburg zu den juristischen Staatsexamina zugelassen.
Politik und Sprache
(2020)
Sprache spielt im Hinblick auf politisches Handeln eine sehr bedeutsame Rolle. Die Auseinandersetzung mit dem Verhältnis von Politik und Sprache erscheint umso notwendiger, als dieses Verhältnis in der gegenwärtigen politischen Bildung ein Schattendasein fristet. Der schulischen politischen Bildung kommt die Aufgabe zu, Schülerinnen und Schüler zu einem Umgang mit der politischen Sprache zu befähigen, der ihnen eine reflektierte Auseinandersetzung mit den in der Debatte stehenden politischen Gegenständen ermöglicht – auch und gerade vor dem Hintergrund der Zunahme populistischer Darstellungen, „alternativer Fakten“ und Lügen in der Politik. Mit der vorliegenden Publikation liegt ein erster Aufschlag vor, der das Spektrum des Verhältnisses von Politik und Sprache im Kontext der Handlungsfelder politischer Bildung umreißt.
מדרש של יום: לא יש מאין
(2020)
Mehr als nur Soldatenkönig
(2020)
Laut gängiger Auffassung leitet sich die Regierungsbilanz des preußischen Königs Friedrich Wilhelm I. in erster Linie aus den Reformen im Militärwesen und in der Verwaltung sowie aus seinen Bemühungen um eine Sanierung des Haushaltes her. Die von den Zeitgenossen bzw. der Nachwelt vorgenommenen Titulierungen als 'Roi sergeant', 'größter innerer König' oder 'Plusmacher' entsprachen genau diesen Zuweisungen. Solche Verdienste sind ihm gewiss nicht abzusprechen, jedoch erfassen diese Etikettierungen kaum die gesamte Persönlichkeit des Monarchen. Deshalb hat sich der aus einer vom Geheimen Staatsarchiv Preußischer Kulturbesitz Berlin-Dahlem und von der Historischen Kommission zu Berlin ausgerichteten Tagung hervorgehende Sammelband vor allem solchen Facetten zugewandt, die man gemeinhin nicht mit der Herrschaftspraxis Friedrich Wilhelms I. verbindet. Vielmehr geraten mit dem durchaus in dynastischen Kategorien denkenden, dem sehr wohl den Konventionen der Zeremonialpraxis seiner Zeit folgenden, keineswegs sich durchweg naiv auf dem Parkett der Außenpolitik bewegenden und dem sich zuweilen als kunstsinnig und Genussmensch erweisenden Monarchen solche Seiten seiner Persönlichkeit in den Blick, die belegen, dass er 'mehr war als nur ein Soldatenkönig.
Der Weg der deutschen Ärzteschaft zu einer eigenen Standespolitik bis hin zur Selbstverwaltung war langwierig. Am Beispiel der Provinz Brandenburg gibt dieser Band einen fundierten Überblick über wesentliche Entwicklungslinien im tiefgreifenden Wandel des Arztberufs, der ärztlichen Aufgaben und des ärztlichen Selbstverständnisses vom Kaiserreich über die Weimarer Republik und die NS-Zeit bis zum Ende der DDR.
Die Darstellung beginnt mit der Zeit um 1850, als eine einheitlich vorgebildete akademische Ärzteschaft entstand und erste ärztliche Vereine gegründet wurden. Dabei wird der Verlauf des vielschichtigen Professionalisierungsprozesses im Ärztestand herausgearbeitet und wie die körperschaftlich organisierte brandenburgische Ärzteschaft im Spannungsfeld zwischen Interessenwahrnehmung für den Berufsstand und der ständig wachsenden hoheitlichen Bestimmungen und sozialen Aufgaben agierte. Eine Studie stellt zudem die herausragende Bedeutung des Mediziners Dr. Georg Schneider (1875–1949) für diesen Prozess dar; eine weitere rückt die Nachkriegsbiografien brandenburgischer »Euthanasie«-Ärzte und Sterilisationsexperten in den Fokus.
Mit Beiträgen von Wolfgang Rose, Tobias Scholta, Daniel Seeger und Annette Weinke.
Die Methodenlehre ist das Grundlagenfach mit der größten Nähe zur Praxis. Dennoch bewegt sie sich oftmals auf einer hohen Abstraktionsebene und ihr Zweck wird im juristischen Alltag, im Studium oder in der Praxis nicht immer erreicht. Dominiert vom Zivil- und insbesondere Arbeitsrecht, werden Besonderheiten des Öffentlichen Rechts und des Strafrechts ebenso wenig allgemein zur Kenntnis genommen wie (wieder) aktuelle Ansätze etwa der Rechtsrhetorik, der ökonomischen Analyse und der praktischen Jurisprudenz. Es sind eher interne Diskussionen, die innerhalb der Fachdisziplinen und in den noch kleineren Kreisen der methodisch Denkenden geführt werden. Im Zentrum des Kolloquiums stand daher die Frage, ob es eine allgemeine Methodenlehre gibt oder jeweils spezifische Methoden. Ziel war es, über Generationen, Fächergrenzen und Schulen hinaus ins Gespräch zu kommen. Der Tagungsband vereint die Referate und kurzen Zusammenfassungen der anregenden Diskussionen.
Während bisher zur Geschichte des Strafrechts in der alten Bundesrepublik lediglich kürzere, überblicksartige Gesamtdarstellungen existierten, nimmt dieser Band das gesamte Spektrum des Allgemeinen Teils, flankiert durch die „Grundlagen“ und die Rechtsfolgenseite, detailreich in den Blick. Dabei werden die einzelnen Dogmengeschichten nicht isoliert dargestellt, sondern in ihrer Interaktion mit der Strafrechtswissenschaft, -praxis, -politik und gesellschaftlichen Veränderungen. Durchaus experimentell, werten die Beiträge teils Schrifttum, teils Judikatur als Quellen aus, teils schreiten sie Themenkreise aus, teils greifen sie aussagekräftige Einzelaspekte heraus, teils diskutieren sie zurückhaltend, teils intensiv sozialhistorische Korrelate.
Wo steht die Entrepreneurship-Forschung aktuell und welchen Nutzen stiftet sie für die Gründungspraxis? Das Buch gibt einen repräsentativen Querschnitt durch das breite Spektrum des Entrepreneuerships und zeigt den aktuellen State-of-the-Art auf.
Schwerpunktthemen sind:
- Entrepreneur-Persönlichkeit
- Unternehmerische Organisation
- Spezifische Erscheinungsformen des Entrepreneurships
- Systemische Betrachtung des Entrepreneurships
- Entrepreneurial Ecosystem
- Entrepreneurial Education
Das Buchprojekt versteht sich als Beitrag zum Theorie-Praxis-Transfer und richtet sich neben Wissenschaftlern auch an Entrepreneure in der Praxis.
Die Methodenlehre ist das Grundlagenfach mit der größten Nähe zur Praxis. Dennoch bewegt sie sich oftmals auf einer hohen Abstraktionsebene und ihr Zweck wird im juristischen Alltag, im Studium oder in der Praxis nicht immer erreicht. Dominiert vom Zivil- und insbesondere Arbeitsrecht, werden Besonderheiten des Öffentlichen Rechts und des Strafrechts ebenso wenig allgemein zur Kenntnis genommen wie (wieder) aktuelle Ansätze etwa der Rechtsrhetorik, der ökonomischen Analyse und der praktischen Jurisprudenz. Es sind eher interne Diskussionen, die innerhalb der Fachdisziplinen und in den noch kleineren Kreisen der methodisch Denkenden geführt werden. Im Zentrum des Kolloquiums stand daher die Frage, ob es eine allgemeine Methodenlehre gibt oder jeweils spezifische Methoden. Ziel war es, über Generationen, Fächergrenzen und Schulen hinaus ins Gespräch zu kommen. Der Tagungsband vereint die Referate und kurzen Zusammenfassungen der anregenden Diskussionen.
Diese Forschungsdatenstrategie definiert die technischen und organisatorischen Voraussetzungen zur Einhaltung der Forschungsdaten-Policy der Universität Potsdam, zu deren Schaffung sich die Universität verpflichtet. Sie behandelt Fragen von Offenheit und Nachnutzbarkeit ebenso wie Herausforderungen, die sich aus der Digitalisierung von Forschungsprozessen ergeben. Dazu definiert sie auf Basis einer ausführlichen Bewertung des Ist-Stands an der Universität Potsdam 22 Handlungsziele in den Handlungsfeldern „IT-Infrastruktur für die Forschung“, „Dedizierte Forschungsdaten-Dienste“ und „Kommunikation und Vernetzung“. Die Handlungsziele sollen bis Ende 2022 umgesetzt werden.
Diese Strategie wurde am 4. September 2019 vom Präsidium beschlossen und am 25. September 2019 vom Senat zur Kenntnis genommen. Sie wird hier mit redaktionellen Änderungen an Fußnoten, Abbildungen und Anhängen veröffentlicht.