TY - JOUR A1 - Annemarie, Ambühl A1 - Weiss, Irene M. A1 - Schierl, Petra A1 - Schmitzer, Ulrich A1 - Kirichenko, Alexander A1 - Heinemann, Matthias A1 - Weiß, Adrian A1 - Esposito, Paolo A1 - Grewing, Farouk F. A1 - Merli, Elena A1 - Feichtinger, Barbara A1 - Seng, Helmut A1 - Wieber, Anja A1 - Schollmeyer, Patrick A1 - Kranzdorf, Anna A1 - Werner, Eva A1 - Wöhrle, Georg A1 - Brinker, Wolfram A1 - Di Rocco, Emilia A1 - Wesselmann, Katharina A1 - Löbcke, Konrad A1 - Benedetti, Ginevra ED - Ambühl, Annemarie T1 - tessellae – Birthday Issue for Christine Walde T2 - thersites N2 - 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. Y1 - 2020 U6 - https://doi.org/10.34679/thersites.vol11 SN - 2364-7612 VL - 2020 IS - 11 ER - TY - JOUR A1 - Gancheva, Sofiya A1 - Ouni, Meriem A1 - Jelenik, Tomas A1 - Koliaki, Chrysi A1 - Szendroedi, Julia A1 - Toledo, Frederico G. S. A1 - Markgraf, Daniel Frank A1 - Pesta, Dominik H. A1 - Mastrototaro, Lucia A1 - De Filippo, Elisabetta A1 - Herder, Christian A1 - Jähnert, Markus A1 - Weiss, Jürgen A1 - Strassburger, Klaus A1 - Schlensak, Matthias A1 - Schürmann, Annette A1 - Roden, Michael T1 - Dynamic changes of muscle insulin sensitivity after metabolic surgery JF - Nature Communications N2 - The mechanisms underlying improved insulin sensitivity after surgically-induced weight loss are still unclear. We monitored skeletal muscle metabolism in obese individuals before and over 52 weeks after metabolic surgery. Initial weight loss occurs in parallel with a decrease in muscle oxidative capacity and respiratory control ratio. Persistent elevation of intramyocellular lipid intermediates, likely resulting from unrestrained adipose tissue lipolysis, accompanies the lack of rapid changes in insulin sensitivity. Simultaneously, alterations in skeletal muscle expression of genes involved in calcium/lipid metabolism and mitochondrial function associate with subsequent distinct DNA methylation patterns at 52 weeks after surgery. Thus, initial unfavorable metabolic changes including insulin resistance of adipose tissue and skeletal muscle precede epigenetic modifications of genes involved in muscle energy metabolism and the long-term improvement of insulin sensitivity. Y1 - 2019 U6 - https://doi.org/10.1038/s41467-019-12081-0 SN - 2041-1723 VL - 10 PB - Nature Publ. Group CY - London ER - TY - JOUR A1 - Krapf, Diego A1 - Lukat, Nils A1 - Marinari, Enzo A1 - Metzler, Ralf A1 - Oshanin, Gleb A1 - Selhuber-Unkel, Christine A1 - Squarcini, Alessio A1 - Stadler, Lorenz A1 - Weiss, Matthias A1 - Xu, Xinran T1 - Spectral Content of a Single Non-Brownian Trajectory JF - Physical review : X, Expanding access N2 - Time-dependent processes are often analyzed using the power spectral density (PSD) calculated by taking an appropriate Fourier transform of individual trajectories and finding the associated ensemble average. Frequently, the available experimental datasets are too small for such ensemble averages, and hence, it is of a great conceptual and practical importance to understand to which extent relevant information can be gained from S(f, T), the PSD of a single trajectory. Here we focus on the behavior of this random, realization-dependent variable parametrized by frequency f and observation time T, for a broad family of anomalous diffusions-fractional Brownian motion with Hurst index H-and derive exactly its probability density function. We show that S(f, T) is proportional-up to a random numerical factor whose universal distribution we determine-to the ensemble-averaged PSD. For subdiffusion (H < 1/2), we find that S(f, T) similar to A/f(2H+1) with random amplitude A. In sharp contrast, for superdiffusion (H > 1/2) S(f, T) similar to BT2H-1/f(2) with random amplitude B. Remarkably, for H > 1/2 the PSD exhibits the same frequency dependence as Brownian motion, a deceptive property that may lead to false conclusions when interpreting experimental data. Notably, for H > 1/2 the PSD is ageing and is dependent on T. Our predictions for both sub-and superdiffusion are confirmed by experiments in live cells and in agarose hydrogels and by extensive simulations. KW - Biological Physics KW - Interdisciplinary Physics KW - Statistical Physics Y1 - 2019 U6 - https://doi.org/10.1103/PhysRevX.9.011019 SN - 2160-3308 VL - 9 IS - 1 PB - American Physical Society CY - College Park ER - TY - CHAP A1 - Asche, Matthias A1 - Fehrlen-Weiss, Nina T1 - Zwischen Kitsch und Kommerz BT - romantische Memoria in Rothenburg ob der Tauber vom 19. Jahrhundert bis heute T2 - Romantische Urbanität. Transdisziplinäre Perspektiven vom 19. bis ins 21. Jahrhundert Y1 - 2020 SN - 978-3-412-51738-0 SP - 59 EP - 74 PB - Böhlau CY - Wien ER - TY - JOUR A1 - Sposini, Vittoria A1 - Krapf, Diego A1 - Marinari, Enzo A1 - Sunyer, Raimon A1 - Ritort, Felix A1 - Taheri, Fereydoon A1 - Selhuber-Unkel, Christine A1 - Benelli, Rebecca A1 - Weiss, Matthias A1 - Metzler, Ralf A1 - Oshanin, Gleb T1 - Towards a robust criterion of anomalous diffusion JF - Communications Physics N2 - Anomalous-diffusion, the departure of the spreading dynamics of diffusing particles from the traditional law of Brownian-motion, is a signature feature of a large number of complex soft-matter and biological systems. Anomalous-diffusion emerges due to a variety of physical mechanisms, e.g., trapping interactions or the viscoelasticity of the environment. However, sometimes systems dynamics are erroneously claimed to be anomalous, despite the fact that the true motion is Brownian—or vice versa. This ambiguity in establishing whether the dynamics as normal or anomalous can have far-reaching consequences, e.g., in predictions for reaction- or relaxation-laws. Demonstrating that a system exhibits normal- or anomalous-diffusion is highly desirable for a vast host of applications. Here, we present a criterion for anomalous-diffusion based on the method of power-spectral analysis of single trajectories. The robustness of this criterion is studied for trajectories of fractional-Brownian-motion, a ubiquitous stochastic process for the description of anomalous-diffusion, in the presence of two types of measurement errors. In particular, we find that our criterion is very robust for subdiffusion. Various tests on surrogate data in absence or presence of additional positional noise demonstrate the efficacy of this method in practical contexts. Finally, we provide a proof-of-concept based on diverse experiments exhibiting both normal and anomalous-diffusion. Y1 - 2022 U6 - https://doi.org/10.1038/s42005-022-01079-8 SN - 2399-3650 VL - 5 PB - Springer Nature CY - London ER - TY - JOUR A1 - Vilk, Ohad A1 - Aghion, Erez A1 - Avgar, Tal A1 - Beta, Carsten A1 - Nagel, Oliver A1 - Sabri, Adal A1 - Sarfati, Raphael A1 - Schwartz, Daniel K. A1 - Weiß, Matthias A1 - Krapf, Diego A1 - Nathan, Ran A1 - Metzler, Ralf A1 - Assaf, Michael T1 - Unravelling the origins of anomalous diffusion BT - from molecules to migrating storks JF - Physical Review Research N2 - Anomalous diffusion or, more generally, anomalous transport, with nonlinear dependence of the mean-squared displacement on the measurement time, is ubiquitous in nature. It has been observed in processes ranging from microscopic movement of molecules to macroscopic, large-scale paths of migrating birds. Using data from multiple empirical systems, spanning 12 orders of magnitude in length and 8 orders of magnitude in time, we employ a method to detect the individual underlying origins of anomalous diffusion and transport in the data. This method decomposes anomalous transport into three primary effects: long-range correlations (“Joseph effect”), fat-tailed probability density of increments (“Noah effect”), and nonstationarity (“Moses effect”). We show that such a decomposition of real-life data allows us to infer nontrivial behavioral predictions and to resolve open questions in the fields of single-particle tracking in living cells and movement ecology. Y1 - 2022 U6 - https://doi.org/10.1103/PhysRevResearch.4.033055 SN - 2643-1564 VL - 4 IS - 3 SP - 033055-1 EP - 033055-16 PB - American Physical Society CY - College Park, MD ER - TY - GEN A1 - Vilk, Ohad A1 - Aghion, Erez A1 - Avgar, Tal A1 - Beta, Carsten A1 - Nagel, Oliver A1 - Sabri, Adal A1 - Sarfati, Raphael A1 - Schwartz, Daniel K. A1 - Weiß, Matthias A1 - Krapf, Diego A1 - Nathan, Ran A1 - Metzler, Ralf A1 - Assaf, Michael T1 - Unravelling the origins of anomalous diffusion BT - from molecules to migrating storks T2 - Zweitveröffentlichungen der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe N2 - Anomalous diffusion or, more generally, anomalous transport, with nonlinear dependence of the mean-squared displacement on the measurement time, is ubiquitous in nature. It has been observed in processes ranging from microscopic movement of molecules to macroscopic, large-scale paths of migrating birds. Using data from multiple empirical systems, spanning 12 orders of magnitude in length and 8 orders of magnitude in time, we employ a method to detect the individual underlying origins of anomalous diffusion and transport in the data. This method decomposes anomalous transport into three primary effects: long-range correlations (“Joseph effect”), fat-tailed probability density of increments (“Noah effect”), and nonstationarity (“Moses effect”). We show that such a decomposition of real-life data allows us to infer nontrivial behavioral predictions and to resolve open questions in the fields of single-particle tracking in living cells and movement ecology. T3 - Zweitveröffentlichungen der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe - 1303 Y1 - 2022 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-577643 SN - 1866-8372 IS - 1303 ER - TY - JOUR A1 - Scott, Shane A1 - Weiss, Matthias A1 - Selhuber-Unkel, Christine A1 - Barooji, Younes F. A1 - Sabri, Adal A1 - Erler, Janine T. A1 - Metzler, Ralf A1 - Oddershede, Lene B. T1 - Extracting, quantifying, and comparing dynamical and biomechanical properties of living matter through single particle tracking JF - Physical chemistry, chemical physics : a journal of European Chemical Societies N2 - A panoply of new tools for tracking single particles and molecules has led to an explosion of experimental data, leading to novel insights into physical properties of living matter governing cellular development and function, health and disease. In this Perspective, we present tools to investigate the dynamics and mechanics of living systems from the molecular to cellular scale via single-particle techniques. In particular, we focus on methods to measure, interpret, and analyse complex data sets that are associated with forces, materials properties, transport, and emergent organisation phenomena within biological and soft-matter systems. Current approaches, challenges, and existing solutions in the associated fields are outlined in order to support the growing community of researchers at the interface of physics and the life sciences. Each section focuses not only on the general physical principles and the potential for understanding living matter, but also on details of practical data extraction and analysis, discussing limitations, interpretation, and comparison across different experimental realisations and theoretical frameworks. Particularly relevant results are introduced as examples. While this Perspective describes living matter from a physical perspective, highlighting experimental and theoretical physics techniques relevant for such systems, it is also meant to serve as a solid starting point for researchers in the life sciences interested in the implementation of biophysical methods. Y1 - 2022 U6 - https://doi.org/10.1039/d2cp01384c SN - 1463-9076 SN - 1463-9084 VL - 25 IS - 3 SP - 1513 EP - 1537 PB - RSC Publ. CY - Cambridge ER - TY - BOOK A1 - Schwarzer, Ingo A1 - Weiß-Saoumi, Said A1 - Kittel, Roland A1 - Friedrich, Tobias A1 - Kaynak, Koraltan A1 - Durak, Cemil A1 - Isbarn, Andreas A1 - Diestel, Jörg A1 - Knittel, Jens A1 - Franz, Marquart A1 - Morra, Carlos A1 - Stahnke, Susanne A1 - Braband, Jens A1 - Dittmann, Johannes A1 - Griebel, Stephan A1 - Krampf, Andreas A1 - Link, Martin A1 - Müller, Matthias A1 - Radestock, Jens A1 - Strub, Leo A1 - Bleeke, Kai A1 - Jehl, Leander A1 - Kapitza, Rüdiger A1 - Messadi, Ines A1 - Schmidt, Stefan A1 - Schwarz-Rüsch, Signe A1 - Pirl, Lukas A1 - Schmid, Robert A1 - Friedenberger, Dirk A1 - Beilharz, Jossekin Jakob A1 - Boockmeyer, Arne A1 - Polze, Andreas A1 - Röhrig, Ralf A1 - Schäbe, Hendrik A1 - Thiermann, Ricky T1 - RailChain BT - Abschlussbericht N2 - The RailChain project designed, implemented, and experimentally evaluated a juridical recorder that is based on a distributed consensus protocol. That juridical blockchain recorder has been realized as distributed ledger on board the advanced TrainLab (ICE-TD 605 017) of Deutsche Bahn. For the project, a consortium consisting of DB Systel, Siemens, Siemens Mobility, the Hasso Plattner Institute for Digital Engineering, Technische Universität Braunschweig, TÜV Rheinland InterTraffic, and Spherity has been formed. These partners not only concentrated competencies in railway operation, computer science, regulation, and approval, but also combined experiences from industry, research from academia, and enthusiasm from startups. Distributed ledger technologies (DLTs) define distributed databases and express a digital protocol for transactions between business partners without the need for a trusted intermediary. The implementation of a blockchain with real-time requirements for the local network of a railway system (e.g., interlocking or train) allows to log data in the distributed system verifiably in real-time. For this, railway-specific assumptions can be leveraged to make modifications to standard blockchains protocols. EULYNX and OCORA (Open CCS On-board Reference Architecture) are parts of a future European reference architecture for control command and signalling (CCS, Reference CCS Architecture – RCA). Both architectural concepts outline heterogeneous IT systems with components from multiple manufacturers. Such systems introduce novel challenges for the approved and safety-relevant CCS of railways which were considered neither for road-side nor for on-board systems so far. Logging implementations, such as the common juridical recorder on vehicles, can no longer be realized as a central component of a single manufacturer. All centralized approaches are in question. The research project RailChain is funded by the mFUND program and gives practical evidence that distributed consensus protocols are a proper means to immutably (for legal purposes) store state information of many system components from multiple manufacturers. The results of RailChain have been published, prototypically implemented, and experimentally evaluated in large-scale field tests on the advanced TrainLab. At the same time, the project showed how RailChain can be integrated into the road-side and on-board architecture given by OCORA and EULYNX. Logged data can now be analysed sooner and also their trustworthiness is being increased. This enables, e.g., auditable predictive maintenance, because it is ensured that data is authentic and unmodified at any point in time. N2 - Das Projekt RailChain hat einen verteilten Juridical Recorder entworfen, implementiert und experimentell evaluiert, der auf einem echtzeitfähigen verteilten Konsensprotokoll basiert. Dieser Juridical Blockchain Recorder wurde als distributed ledger an Bord des advanced TrainLabs der Deutschen Bahn (ICE-TD 605 017) umgesetzt. Für das Projekt hat sich ein Konsortium aus DB Systel, Siemens, Siemens Mobility, dem Hasso-Plattner-Institut für Digital Engineering, der Technischen Universität Braunschweig, sowie TÜV Rheinland InterTraffic und Spherity formiert und dabei Kompetenzen aus den Bereichen Bahnbetrieb, Informatik und Zulassungswesen gebündelt. Die Partner kombinieren Erfahrungen aus der Industrie und die akademische Forschung mit der Aufbruchstimmung aus dem Start-Up-Umfeld. Distributed-Ledger-Technologien (DLTs) definieren verteilte Datenbanken und stellen ein digitales Protokoll für Transaktionen zwischen Geschäftspartnern dar, ohne dass ein Mittelsmann beteiligt sein müsste. Die Implementierung einer Blockchain mit Echtzeitanforderungen für das lokale Netzwerk einer Eisenbahnanlage (z. B. Stellwerk oder Zug) erlaubt es, die im verteilten System entstehenden Daten nachweislich in Echtzeit zu protokollieren. Dabei können eisenbahnspezifische Randbedingungen ausgenutzt werden, um Standard-Blockchain-Protokolle anzupassen. EULYNX und OCORA (Open CCS On-board Reference Architecture) sind Bestandteile einer zukünftigen europäischen Referenzarchitektur für das Leit- und Sicherungssystem (Reference CCS Architecture – RCA, Control Command and Signalling – CCS). Beide Architekturkonzepte skizzieren herstellerübergreifende, komponentenbasierende heterogene IT-Systeme. Solche Systeme bergen neue Herausforderungen, die bislang im Kontext der zugelassenen, sicherheitsrelevanten Leit- und Sicherungstechnik der Bahn weder strecken- noch fahrzeugseitig adressiert werden mussten. Logbuch-Implementierungen, wie der gängige Juridical Recorder auf Fahrzeugen, können nun nicht mehr als zentrale Systemkomponente eines einzelnen Herstellers umgesetzt werden. Alle zentralisierten Lösungsansätze sind in Frage gestellt. Das mFUND-geförderte Forschungsprojekt erbringt den praktischen Nachweis, dass Zustandsinformationen über eine Vielzahl von Systemkomponenten herstellerübergreifend und gerichtsfest mittels verteilten Konsensprotokollen gespeichert werden können. Ergebnisse von RailChain wurden publiziert, prototypisch implementiert und in großen Feldtests auf dem advanced TrainLab experimentell evaluiert. Gleichzeitig wurde aufgezeigt, wie sich RailChain in den mit OCORA und EULYNX vorgegebenen fahrzeug- und streckenseitigen Architekturentwurf integrieren lässt. Daten können dadurch zeitnaher ausgewertet werden und gleichzeitig wird ihre Vertrauenswürdigkeit erhöht. Dies ermöglicht u. a. nachvollziehbare zustandsorientierte Wartung, denn es kann jederzeit sichergestellt werden, dass die Daten authentisch sind und auch nicht verändert wurden. T3 - Technische Berichte des Hasso-Plattner-Instituts für Digital Engineering an der Universität Potsdam - 152 KW - Distributed-Ledger-Technologie (DLT) KW - juridical recording KW - Konsensprotokolle KW - consensus protocols KW - Digitalisierung KW - digitalization KW - Bahnwesen KW - railways KW - Blockchain KW - asset management KW - selbstbestimmte Identitäten KW - self-sovereign identity KW - dezentrale Identitäten KW - decentral identities KW - überprüfbare Nachweise KW - verifiable credentials KW - Echtzeit KW - real-time KW - Standardisierung KW - standardization KW - Verlässlichkeit KW - dependability KW - Fehlertoleranz KW - fault tolerance Y1 - 2023 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-577409 SN - 978-3-86956-550-7 SN - 1613-5652 SN - 2191-1665 IS - 152 PB - Universitätsverlag Potsdam CY - Potsdam ER - TY - JOUR A1 - Heinemann, Matthias A1 - Weiß, Adrian ED - Ambühl, Annemarie T1 - Roms Metamorphosen im Exil BT - die Romae novae des exul bei Ovid und Lucan JF - thersites 11: tessellae – Birthday Issue for Christine Walde N2 - In this article, we want to elucidate and contrast the exilic fates rendered in Ovid’s exilic elegies and in Lucan’s Bellum Civile. While Ovid’s persona undergoes a slow development towards acceptance of the exilic condition by ‘refounding’ a second Rome in Tomi, Lucan’s Pompey gradually severs himself from Rome, culminating in him dying far from home apparently without regrets. Both characters try to transfer the concept of Rome to new entities. However, they are not able to escape Rome’s grasp: Pompey is killed by a Roman mercenary in Egypt, Naso’s Roma secunda is in the end only a reproduction of the exul’s irrevocably Roman fate. KW - P. Ovidius Naso KW - M. Annaeus Lucanus KW - exile KW - Rome KW - Pompeius Magnus Y1 - 2020 U6 - https://doi.org/10.34679/thersites.vol11.162 SN - 2364-7612 VL - 2020 IS - 11 SP - 117 EP - 150 ER - TY - GEN A1 - Sposini, Vittoria A1 - Krapf, Diego A1 - Marinari, Enzo A1 - Sunyer, Raimon A1 - Ritort, Felix A1 - Taheri, Fereydoon A1 - Selhuber-Unkel, Christine A1 - Benelli, Rebecca A1 - Weiss, Matthias A1 - Metzler, Ralf A1 - Oshanin, Gleb T1 - Towards a robust criterion of anomalous diffusion T2 - Zweitveröffentlichungen der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe N2 - Anomalous-diffusion, the departure of the spreading dynamics of diffusing particles from the traditional law of Brownian-motion, is a signature feature of a large number of complex soft-matter and biological systems. Anomalous-diffusion emerges due to a variety of physical mechanisms, e.g., trapping interactions or the viscoelasticity of the environment. However, sometimes systems dynamics are erroneously claimed to be anomalous, despite the fact that the true motion is Brownian—or vice versa. This ambiguity in establishing whether the dynamics as normal or anomalous can have far-reaching consequences, e.g., in predictions for reaction- or relaxation-laws. Demonstrating that a system exhibits normal- or anomalous-diffusion is highly desirable for a vast host of applications. Here, we present a criterion for anomalous-diffusion based on the method of power-spectral analysis of single trajectories. The robustness of this criterion is studied for trajectories of fractional-Brownian-motion, a ubiquitous stochastic process for the description of anomalous-diffusion, in the presence of two types of measurement errors. In particular, we find that our criterion is very robust for subdiffusion. Various tests on surrogate data in absence or presence of additional positional noise demonstrate the efficacy of this method in practical contexts. Finally, we provide a proof-of-concept based on diverse experiments exhibiting both normal and anomalous-diffusion. T3 - Zweitveröffentlichungen der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe - 1313 Y1 - 2023 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-585967 SN - 1866-8372 IS - 1313 ER - TY - JOUR A1 - Strauß, Ekkehard A1 - Haratsch, Andreas A1 - Weiß, Norman A1 - Weinberg, Matthias A1 - Klein, Eckart A1 - Stender, Heike T1 - MenschenRechtsMagazin : Informationen | Meinungen | Analysen = Themenheft: 50 Jahre Allgemeine Erklärung der Menschenrechte T3 - MenschenRechtsMagazin : MRM ; Informationen, Meinungen, Analysen - 2.1997/Themenheft Y1 - 1997 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus-56745 SN - 1434-2820 VL - 2 ER - TY - GEN A1 - Kearney, Eric A1 - Razinskas, Stefan A1 - Weiss, Matthias A1 - Hoegl, Martin T1 - Gender diversity and team performance under time pressure BT - The role of team withdrawal and information elaboration T2 - Zweitveröffentlichungen der Universität Potsdam : Wirtschafts- und Sozialwissenschaftliche Reihe N2 - Findings in the extant literature are mixed concerning when and how gender diversity benefits team performance. We develop and test a model that posits that gender-diverse teams outperform gender-homogeneous teams when perceived time pressure is low, whereas the opposite is the case when perceived time pressure is high. Drawing on the categorization-elaboration model (CEM; van Knippenberg, De Dreu, & Homan, 2004), we begin with the assumption that information elaboration is the process whereby gender diversity fosters positive effects on team performance. However, also in line with the CEM, we argue that this process can be disrupted by adverse team dynamics. Specifically, we argue that as time pressure increases, higher gender diversity leads to more team withdrawal, which, in turn, moderates the positive indirect effect of gender diversity on team performance via information elaboration such that this effect becomes weaker as team withdrawal increases. In an experimental study of 142 four-person teams, we found support for this model that explains why perceived time pressure affects the performance of gender-diverse teams more negatively than that of gender-homogeneous teams. Our study sheds new light on when and how gender diversity can become either an asset or a liability for team performance. T3 - Zweitveröffentlichungen der Universität Potsdam : Wirtschafts- und Sozialwissenschaftliche Reihe - 189 KW - gender diversity KW - information elaboration KW - perceived time pressure KW - team KW - performance KW - team withdrawal Y1 - 2022 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-606559 SN - 1867-5808 IS - 7 ER - TY - JOUR A1 - Kearney, Eric A1 - Razinskas, Stefan A1 - Weiss, Matthias A1 - Hoegl, Martin T1 - Gender diversity and team performance under time pressure BT - the role of team withdrawal and information elaboration JF - Journal of organizational behavior N2 - Findings in the extant literature are mixed concerning when and how gender diversity benefits team performance. We develop and test a model that posits that gender-diverse teams outperform gender-homogeneous teams when perceived time pressure is low, whereas the opposite is the case when perceived time pressure is high. Drawing on the categorization-elaboration model (CEM; van Knippenberg, De Dreu, & Homan, 2004), we begin with the assumption that information elaboration is the process whereby gender diversity fosters positive effects on team performance. However, also in line with the CEM, we argue that this process can be disrupted by adverse team dynamics. Specifically, we argue that as time pressure increases, higher gender diversity leads to more team withdrawal, which, in turn, moderates the positive indirect effect of gender diversity on team performance via information elaboration such that this effect becomes weaker as team withdrawal increases. In an experimental study of 142 four-person teams, we found support for this model that explains why perceived time pressure affects the performance of gender-diverse teams more negatively than that of gender-homogeneous teams. Our study sheds new light on when and how gender diversity can become either an asset or a liability for team performance. KW - gender diversity KW - information elaboration KW - perceived time pressure KW - team KW - performance KW - team withdrawal Y1 - 2022 U6 - https://doi.org/10.1002/job.2630 SN - 0894-3796 SN - 1099-1379 VL - 43 IS - 7 SP - 1224 EP - 1239 PB - Wiley CY - Hoboken ER - TY - JOUR A1 - Jeltsch, Florian A1 - Blaum, Niels A1 - Brose, Ulrich A1 - Chipperfield, Joseph D. A1 - Clough, Yann A1 - Farwig, Nina A1 - Geissler, Katja A1 - Graham, Catherine H. A1 - Grimm, Volker A1 - Hickler, Thomas A1 - Huth, Andreas A1 - May, Felix A1 - Meyer, Katrin M. A1 - Pagel, Jörn A1 - Reineking, Björn A1 - Rillig, Matthias C. A1 - Shea, Katriona A1 - Schurr, Frank Martin A1 - Schroeder, Boris A1 - Tielbörger, Katja A1 - Weiss, Lina A1 - Wiegand, Kerstin A1 - Wiegand, Thorsten A1 - Wirth, Christian A1 - Zurell, Damaris T1 - How can we bring together empiricists and modellers in functional biodiversity research? JF - Basic and applied ecology : Journal of the Gesellschaft für Ökologie N2 - Improving our understanding of biodiversity and ecosystem functioning and our capacity to inform ecosystem management requires an integrated framework for functional biodiversity research (FBR). However, adequate integration among empirical approaches (monitoring and experimental) and modelling has rarely been achieved in FBR. We offer an appraisal of the issues involved and chart a course towards enhanced integration. A major element of this path is the joint orientation towards the continuous refinement of a theoretical framework for FBR that links theory testing and generalization with applied research oriented towards the conservation of biodiversity and ecosystem functioning. We further emphasize existing decision-making frameworks as suitable instruments to practically merge these different aims of FBR and bring them into application. This integrated framework requires joint research planning, and should improve communication and stimulate collaboration between modellers and empiricists, thereby overcoming existing reservations and prejudices. The implementation of this integrative research agenda for FBR requires an adaptation in most national and international funding schemes in order to accommodate such joint teams and their more complex structures and data needs. KW - Biodiversity theory KW - Biodiversity experiments KW - Conservation management KW - Decision-making KW - Ecosystem functions and services KW - Forecasting KW - Functional traits KW - Global change KW - Monitoring programmes KW - Interdisciplinarity Y1 - 2013 U6 - https://doi.org/10.1016/j.baae.2013.01.001 SN - 1439-1791 VL - 14 IS - 2 SP - 93 EP - 101 PB - Elsevier CY - Jena ER -