@article{StoyanovKolloscheRisseetal.2011,
  author    = {Stoyanov, Hristiyan and Kollosche, Matthias and Risse, Sebastian and McCarthy, Denis N. and Kofod, Guggi},
  title     = {Elastic block copolymer nanocomposites with controlled interfacial interactions for artificial muscles with direct voltage control},
  series = {Soft matter},
  volume    = {7},
  journal   = {Soft matter},
  number    = {1},
  publisher = {Royal Society of Chemistry},
  address   = {Cambridge},
  issn      = {1744-683X},
  doi       = {10.1039/c0sm00715c},
  pages     = {194 -- 202},
  year      = {2011},
  abstract  = {Soft, physically crosslinking, block copolymer elastomers were filled with surface-treated nanoparticles, in order to evaluate the possibility for improvement of their properties when used as soft dielectric actuators. The nanoparticles led to improvements in dielectric properties, however they also reinforced the elastomer matrix. Comparing dielectric spectra of composites with untreated and surface-treated particles showed a measurable influence of the surface on the dielectric loss behaviour for high filler amounts, strongly indicating an improved host-guest interaction for the surface-treated particles. Breakdown strength was measured using a test bench and was found to be in good agreement with the results from the actuation measurements. Actuation responses predicted by a model for prestrained actuators agreed well with measurements up to a filler amount of 20\%(vol). Strong improvements in actuation behaviour were observed, with an optimum near 15\%(vol) nanoparticles, corresponding to a reduction in electrical field of 27\% for identical actuation strains. The use of physically crosslinking elastomer ensured the mechanical properties of the matrix elastomer were unchanged by nanoparticles effecting the crosslinking reaction, contrary to similar experiments performed with chemically crosslinking elastomers. This allows for a firm conclusion about the positive effects of surface-treated nanoparticles on actuation behavior.},
  language  = {en}
}
@phdthesis{Stoyanov2011,
  author    = {Stoyanov, Hristiyan},
  title     = {Soft nanocomposites with enhanced electromechanical response for dielectric elastomer actuators},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-51194},
  school      = {Universit{\"a}t Potsdam},
  year      = {2011},
  abstract  = {Electromechanical transducers based on elastomer capacitors are presently considered for many soft actuation applications, due to their large reversible deformation in response to electric field induced electrostatic pressure. The high operating voltage of such devices is currently a large drawback, hindering their use in applications such as biomedical devices and biomimetic robots, however, they could be improved with a careful design of their material properties. The main targets for improving their properties are increasing the relative permittivity of the active material, while maintaining high electric breakdown strength and low stiffness, which would lead to enhanced electrostatic storage ability and hence, reduced operating voltage. Improvement of the functional properties is possible through the use of nanocomposites. These exploit the high surface-to-volume ratio of the nanoscale filler, resulting in large effects on macroscale properties. This thesis explores several strategies for nanomaterials design. The resulting nanocomposites are fully characterized with respect to their electrical and mechanical properties, by use of dielectric spectroscopy, tensile mechanical analysis, and electric breakdown tests. First, nanocomposites consisting of high permittivity rutile TiO2 nanoparticles dispersed in thermoplastic block copolymer SEBS (poly-styrene-coethylene-co-butylene-co-styrene) are shown to exhibit permittivity increases of up to 3.7 times, leading to 5.6 times improvement in electrostatic energy density, but with a trade-off in mechanical properties (an 8-fold increase in stiffness). The variation in both electrical and mechanical properties still allows for electromechanical improvement, such that a 27 \% reduction of the electric field is found compared to the pure elastomer. Second, it is shown that the use of nanofiller conductive particles (carbon black (CB)) can lead to a strong increase of relative permittivity through percolation, however, with detrimental side effects. These are due to localized enhancement of the electric field within the composite, which leads to sharp reductions in electric field strength. Hence, the increase in permittivity does not make up for the reduction in breakdown strength in relation to stored electrical energy, which may prohibit their practical use. Third, a completely new approach for increasing the relative permittivity and electrostatic energy density of a polymer based on 'molecular composites' is presented, relying on chemically grafting soft π-conjugated macromolecules to a flexible elastomer backbone. Polarization caused by charge displacement along the conjugated backbone is found to induce a large and controlled permittivity enhancement (470 \% over the elastomer matrix), while chemical bonding, encapsulates the PANI chains manifesting in hardly any reduction in electric breakdown strength, and hence resulting in a large increase in stored electrostatic energy. This is shown to lead to an improvement in the sensitivity of the measured electromechanical response (83 \% reduction of the driving electric field) as well as in the maximum actuation strain (250 \%). These results represent a large step forward in the understanding of the strategies which can be employed to obtain high permittivity polymer materials with practical use for electro-elastomer actuation.},
  language  = {en}
}
@article{StoofLeichsenringJungingerOlakaetal.2011,
  author    = {Stoof-Leichsenring, Kathleen Rosemarie and Junginger, Annett and Olaka, Lydia A. and Tiedemann, Ralph and Trauth, Martin H.},
  title     = {Environmental variability in Lake Naivasha, Kenya, over the last two centuries},
  series = {Journal of paleolimnolog},
  volume    = {45},
  journal   = {Journal of paleolimnolog},
  number    = {3},
  publisher = {Springer},
  address   = {Dordrecht},
  issn      = {0921-2728},
  doi       = {10.1007/s10933-011-9502-4},
  pages     = {353 -- 367},
  year      = {2011},
  abstract  = {Lake Naivasha, Kenya, is one of a number of freshwater lakes in the East African Rift System. Since the beginning of the twentieth century, it has experienced greater anthropogenic influence as a result of increasingly intensive farming of coffee, tea, flowers, and other horticultural crops within its catchment. The water-level history of Lake Naivasha over the past 200 years was derived from a combination of instrumental records and sediment data. In this study, we analysed diatoms in a lake sediment core to infer past lacustrine conductivity and total phosphorus concentrations. We also measured total nitrogen and carbon concentrations in the sediments. Core chronology was established by (210)Pb dating and covered a similar to 186-year history of natural (climatic) and human-induced environmental changes. Three stratigraphic zones in the core were identified using diatom assemblages. There was a change from littoral/epiphytic diatoms such as Gomphonema gracile and Cymbella muelleri, which occurred during a prolonged dry period from ca. 1820 to 1896 AD, through a transition period, to the present planktonic Aulacoseira sp. that favors nutrient-rich waters. This marked change in the diatom assemblage was caused by climate change, and later a strong anthropogenic overprint on the lake system. Increases in sediment accumulation rates since 1928, from 0.01 to 0.08 g cm(-2) year(-1) correlate with an increase in diatom-inferred total phosphorus concentrations since the beginning of the twentieth century. The increase in phosphorus accumulation suggests increasing eutrophication of freshwater Lake Naivasha. This study identified two major periods in the lake's history: (1) the period from 1820 to 1950 AD, during which the lake was affected mainly by natural climate variations, and (2) the period since 1950, during which the effects of anthropogenic activity overprinted those of natural climate variation.},
  language  = {en}
}
@phdthesis{StoofLeichsenring2011,
  author    = {Stoof-Leichsenring, Kathleen Rosemarie},
  title     = {Genetic analysis of diatoms and rotifers in tropical Kenyan lake sediments},
  address   = {Potsdam},
  year      = {2011},
  language  = {en}
}
@article{StojanovicMarkovicKleinpeteretal.2011,
  author    = {Stojanovic, Milovan and Markovic, Rade and Kleinpeter, Erich and Baranac-Stojanovic, Marija},
  title     = {Endo-Mode cyclizations of vinylogous N-acyliminium ions as a route to the synthesis of condensed thiazolidines},
  series = {Tetrahedron},
  volume    = {67},
  journal   = {Tetrahedron},
  number    = {49},
  publisher = {Elsevier},
  address   = {Oxford},
  issn      = {0040-4020},
  doi       = {10.1016/j.tet.2011.10.011},
  pages     = {9541 -- 9554},
  year      = {2011},
  abstract  = {endo-Mode cyclizations of vinylogous N-acyliminium ions incorporating heteroatom-based nucleophiles have been examined as a route to the synthesis of condensed thiazolidines. The scope of these reactions and stereochemical outcome are discussed and explained using quantum chemical calculations.},
  language  = {en}
}
@article{StojanovicMarkovicKleinpeteretal.2011,
  author    = {Stojanovic, Milovan and Markovic, Rade and Kleinpeter, Erich and Baranac-Stojanovic, Marija},
  title     = {endo-Mode cyclizations of vinylogous N-acyliminium ions as a route to the synthesis of condensed thiazolidines},
  issn      = {0040-4020},
  year      = {2011},
  language  = {en}
}
@article{StockhorstEvert2011,
  author    = {Stockhorst, Stefanie and Evert, Felix},
  title     = {Preussische Gastlichkeit : Friedrich Nicolai und die Wirtshauskultur des 18. Jahrhunderts},
  isbn      = {978-3-89693-553-3},
  year      = {2011},
  language  = {de}
}
@article{Stockhorst2011,
  author    = {Stockhorst, Stefanie},
  title     = {Signals from the past forms and functions of the traditional behavior in Thomas Kling's essay},
  series = {Zeitschrift f{\"u}r Germanistik},
  volume    = {21},
  journal   = {Zeitschrift f{\"u}r Germanistik},
  number    = {1},
  publisher = {Lang},
  address   = {Bern},
  issn      = {0323-7982},
  doi       = {10.3726/92132_114},
  pages     = {114 -- 130},
  year      = {2011},
  language  = {de}
}
@misc{Stockhorst2011,
  author    = {Stockhorst, Stefanie},
  title     = {Reed, T. J., Mehr Licht in Deutschland. Eine kleine Geschichte der Aufkl{\"a}rung; M{\"u}nchen, Beck, 2009},
  issn      = {0722-740X},
  year      = {2011},
  language  = {de}
}
@phdthesis{Stockhorst2011,
  author    = {Stockhorst, Stefanie},
  title     = {Einf{\"u}hrung in das Werk Gotthold Ephraim Lessings},
  series = {Einf{\"u}hrungen Germanistik},
  journal   = {Einf{\"u}hrungen Germanistik},
  publisher = {WBG},
  address   = {Darmstadt},
  isbn      = {978-3-534-22984-0},
  pages     = {143 S.},
  year      = {2011},
  language  = {de}
}
@article{Stockhorst2011,
  author    = {Stockhorst, Stefanie},
  title     = {Friedrich Nicolai (1733 - 1811) : zum 200. Todestag des Berliner Aufkl{\"a}rers},
  year      = {2011},
  language  = {de}
}
@article{Stockhorst2011,
  author    = {Stockhorst, Stefanie},
  title     = {Le raccolte di saggi "Itinerar" (1997) e "Botenstoffe" (2001) di Thomas Kling archeologo del linguaggio},
  isbn      = {978-88-15-14700-4},
  year      = {2011},
  language  = {it}
}
@misc{Stockhorst2011,
  author    = {Stockhorst, Stefanie},
  title     = {Weimarer Klassik},
  isbn      = {978-3- 476-02004-8},
  year      = {2011},
  language  = {de}
}
@article{Stockhorst2011,
  author    = {Stockhorst, Stefanie},
  title     = {Ethische Aufr{\"u}stung : zur Konvergenz von Landlebensdichtung und Neustoizismus im Zeichen des Dreissigj{\"a}hrigen Krieges am Beispiel von J. G. Schottelius' Lamentatio Germaniae exspirantis (1640)},
  year      = {2011},
  language  = {de}
}
@article{Stockhorst2011,
  author    = {Stockhorst, Stefanie},
  title     = {Signale aus der Vergangenheit : zu Formen und Funktionen des Traditionsverhaltens in Thomas Klings Essayistik},
  year      = {2011},
  language  = {de}
}
@misc{Stockhorst2011,
  author    = {Stockhorst, Stefanie},
  title     = {Friedrich Nicolai (1733-1811). - on the two hundreth Anniversary of the Berlin Enlightenment writer and bookseller has works published},
  series = {Zeitschrift f{\"u}r Germanistik},
  volume    = {21},
  journal   = {Zeitschrift f{\"u}r Germanistik},
  number    = {1},
  publisher = {Lang},
  address   = {Bern},
  issn      = {0323-7982},
  pages     = {153 -- 159},
  year      = {2011},
  language  = {de}
}
@article{Stillmark2011,
  author    = {Stillmark, Katja},
  title     = {Affekt der Straße in zeitgen{\"o}ssischen autobiographischen Texten und dystopischen Romanen},
  isbn      = {978-3-8376-1404-6},
  year      = {2011},
  language  = {de}
}
@article{Stillmark2011,
  author    = {Stillmark, Hans-Christian},
  title     = {Das Geschichtsdrama : ein Erbst{\"u}ck der DDR-Literatur},
  year      = {2011},
  abstract  = {Der Aufsatz besch{\"a}ftigt sich mit dem Genre des Geschichtsdramas und verweist auf das Problem des Dramas wie auf das der Geschichte im Verlaufe der DDR-Entwicklung und danach. Untersucht werden die Abweichung und Aufloesungserscheinungen des aristotelischen Dramas unter den Bedingung einer geschwundenen Geschichtsutopie.},
  language  = {de}
}
@article{Stillmark2011,
  author    = {Stillmark, Hans-Christian},
  title     = {Transformationsr{\"a}ume im Werk Wolfgang Hilbigs},
  isbn      = {978-3-8376-1404-6},
  year      = {2011},
  abstract  = {Der Beitrag untersucht bestimmte Raeume, die in Wolfgang Hilbigs Prosawerk wiederholt auftauchen und die mit einer bestimmten affektiven Ladung ausgestattet sind. Es sind dies die Kuechen, die in Hilbigs Werk einer Geschlechtsverwandlung von einem ehemals weiblichen in einen maennlichen Arbeitsraum unterzogen werden. Auch werden idyllische Waldsiedlungen in Hilbigs Geschichten zu Staetten, die vom Judenmord durchzogen werden. Generall kann verallgemeinert werden, dass Hilbigs Raeume Transformationen unterliegen, die Verwandlungen bewirken.},
  language  = {de}
}
@article{Stillmark2011,
  author    = {Stillmark, Hans-Christian},
  title     = {Zu Kleists theatralischer Transformation der K{\"o}rper},
  isbn      = {978- 3-939888-93-2},
  year      = {2011},
  abstract  = {Der Beitrag untersucht Kleists Dramentexte vor allem im Hinblick auf den "Skandal" des Koerpers und versucht dafuer eine Erklaerung zu finden. Diese besteht zunaechst im Herausfall aus dem Paradigma des aesthetischem Koerpers als einem schoenen Koerper. Zum zweiten aber auch darin, das Kleist mit seinen literarischen Mitteln eine drastische Performation des Koerpers fuer das Buehnenstueck vornahm ohne dafuer eine theatralische Praxis zu haben. Der Einsatz des Koerpers als ein Zeichen im Buehnenspiel ist daher strategisch vom Autor Kleist zu einer Aussage performiert worden, die neben den Aussagen des sprachlichen Textes eine weitere koerpersprachliche Textur konstruiert.},
  language  = {de}
}
@article{SticherCzepluchMaetzeneretal.2011,
  author    = {Sticher, Heike and Czepluch, Christine and M{\"a}tzener, Flurina and Wilmes, Stefanie and Hadert, Sandra and Frank, Ulrike and M{\"a}der, Mark},
  title     = {Dekan{\"u}lierungsmanagement bei Patienten mit respiratorischen Beeintr{\"a}chtigungen und Dysphagie},
  series = {Spektrum Patholinguistik},
  journal   = {Spektrum Patholinguistik},
  number    = {4},
  issn      = {1869-3822},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-54277},
  pages     = {141 -- 142},
  year      = {2011},
  language  = {de}
}
@article{SticherCzepluchMaetzeneretal.2011,
  author    = {Sticher, Heike and Czepluch, Christine and M{\"a}tzener, Flurina and Wilmes, Stefanie and Hadert, Sandra and Frank, Ulrike and M{\"a}der, Mark},
  title     = {Dekan{\"u}lierungsmanagment bei Patienten mit respiratorischen Beeintr{\"a}chtigungen und Dysphagie},
  year      = {2011},
  language  = {de}
}
@article{StichBeta2011,
  author    = {Stich, Michael and Beta, Carsten},
  title     = {Standing waves in a complex Ginzburg-Landau equation with time-delay feedback},
  series = {Discrete and continuous dynamical systems : a journal bridging mathematics and sciences},
  journal   = {Discrete and continuous dynamical systems : a journal bridging mathematics and sciences},
  number    = {1},
  publisher = {American Institute of Mathematical Sciences},
  address   = {Springfield},
  issn      = {1078-0947},
  pages     = {1329 -- 1334},
  year      = {2011},
  abstract  = {Standing waves are studied as solutions of a complex Ginsburg-Landau equation subjected to local and global time-delay feedback terms. The onset of standing waves is studied at the instability of the homogeneous periodic solution with respect to spatially periodic perturbations. The solution of this spatiotemporal wave pattern is given and is compared to the homogeneous periodic solution.},
  language  = {en}
}
@misc{Sternagel2011,
  author    = {Sternagel, J{\"o}rg},
  title     = {Levinas and the cinema of redemption time, ethics, and the feminine},
  series = {Film criticism},
  volume    = {36},
  journal   = {Film criticism},
  number    = {1},
  publisher = {Michigan Publishing},
  address   = {Meadville},
  issn      = {0163-5069},
  pages     = {97 -- 99},
  year      = {2011},
  language  = {en}
}
@article{SteinickeSchlaak2011,
  author    = {Steinicke, Lars and Schlaak, Claudia},
  title     = {Die Pr{\"a}senz franz{\"o}sisch-basierter Kreolsprachen im Internet},
  series = {Mobilisierte Kulturen},
  journal   = {Mobilisierte Kulturen},
  number    = {2},
  issn      = {2192-3019},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-53692},
  pages     = {151 -- 172},
  year      = {2011},
  language  = {de}
}
@article{SteinickeSchlaak2011,
  author    = {Steinicke, Lars and Schlaak, Claudia},
  title     = {Die Pr{\"a}senz franz{\"o}sisch-basierter Kreolsprachen im Internet},
  isbn      = {978-3-86956-091-5},
  year      = {2011},
  language  = {de}
}
@article{SteinhoefelBreuervonBlanckenburgetal.2011,
  author    = {Steinhoefel, Grit and Breuer, J{\"o}rn and von Blanckenburg, Friedhelm and Horn, Ingo and Kaczorek, Danuta and Sommer, Michael},
  title     = {Micrometer silicon isotope diagnostics of soils by UV femtosecond laser ablation},
  series = {Chemical geology : official journal of the European Association for Geochemistry},
  volume    = {286},
  journal   = {Chemical geology : official journal of the European Association for Geochemistry},
  number    = {3-4},
  publisher = {Elsevier},
  address   = {Amsterdam},
  issn      = {0009-2541},
  doi       = {10.1016/j.chemgeo.2011.05.013},
  pages     = {280 -- 289},
  year      = {2011},
  abstract  = {This study presents the first Si isotope data of the principle Si pools in soils determined by a UV femtosecond laser ablation system coupled to a multicollector inductively coupled plasma mass spectrometer (MC-ICP-MS). This method reveals accurate and precise Si isotope data on bulk materials, and at high spatial resolution, on the mineral scale. The following Si pools have been investigated: a) the Si source to soils on all major silicate minerals on thin sections from bedrock fragments in the soil profiles; b) bulk soils (particle size <2 mm) after fusion to glass beads with an iridium-strip heater or pressed into powder pellets: c) separated clay fractions as pressed powder pellets and e) separated phytoliths as pressed powder pellets. Multiple analyses of three rock standards, BHVO-2, AGV-1 and RGM-1 as fused glass beads and as pressed powder pellets, reveal delta(30)Si values within the expected range of igneous rocks. The MPI-DING reference glass KL2-G exhibits the same Si isotope composition after remelting by an iridium-strip heater showing that this technique does not alter the isotope composition of the glass. We used this approach to investigated two immature Cambisols developed on sandstone and paragneiss in the Black Forest (Germany), respectively. Bulk soils show a largely uniform Si isotope signature for different horizons and locations, which is close to those of primary quartz and feldspar with delta(30)Si values around -0.4 parts per thousand. Soil clay formation is associated with limited Si mobility, which preserves initial Si isotope signatures of parental minerals. An exception is the organic horizon of the paragneiss catchment where intense weathering leads to a high mobility of Si and significant negative isotope signatures as low as to -1.00 parts per thousand in bulk soils. Biogenic opal in the form of phytoliths, exhibits negative Si isotope signatures of about -0.4 parts per thousand. These results demonstrate that UV femtosecond laser ablation MC-ICP-MS provides a tool to characterize the Si isotope signature of the principle Si pools left behind after weathering and Si transport have altered soils. These results can now serve as a fingerprint of the residual solids that can be used to explain the isotope composition of dissolved Si in soil solutions and river water, which is mostly enriched in the heavy isotopes.},
  language  = {en}
}
@article{Stehl2011,
  author    = {Stehl, Thomas},
  title     = {Sprachen und Diskurse als Tr{\"a}ger und Mittler mobiler Kulturen},
  series = {Mobilisierte Kulturen},
  journal   = {Mobilisierte Kulturen},
  number    = {2},
  issn      = {2192-3019},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-53646},
  pages     = {39 -- 55},
  year      = {2011},
  language  = {de}
}
@article{Stehl2011,
  author    = {Stehl, Thomas},
  title     = {Mobilit{\"a}t, Sprachkontakte und Integration},
  series = {Mobilisierte Kulturen},
  journal   = {Mobilisierte Kulturen},
  number    = {1},
  issn      = {2192-3019},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-57321},
  pages     = {33 -- 52},
  year      = {2011},
  language  = {de}
}
@article{Stehl2011,
  author    = {Stehl, Thomas},
  title     = {Sprachen und Diskurse als Tr{\"a}ger und Mittler mobiler Kulturen ; kommunikative Aspekte der Migrationslinguistik},
  isbn      = {978-3-86956-091-5},
  year      = {2011},
  language  = {de}
}
@book{Stehl2011,
  author    = {Stehl, Thomas},
  title     = {Sprachkontakte, Sprachvariation und Sprachwandel : Festschrift f{\"u}r Thomas Stehl zum 60. Geburtstag},
  editor    = {Schlaak, Claudia and Busse, Lena},
  publisher = {Narr Francke Attempto Verlag GmbH Co. KG},
  address   = {T{\"u}bingen},
  isbn      = {978-3-8233-6601-0},
  pages     = {XXIX, 524 S. : Ill., graph. Darst., Kt.},
  year      = {2011},
  language  = {de}
}
@article{Stehl2011,
  author    = {Stehl, Thomas},
  title     = {Romanische Sprachkontakte und Sprachdynamiken in einer funktionalen Variationslinguistik},
  isbn      = {978-3-8382-0097-2},
  year      = {2011},
  language  = {de}
}
@article{Stehl2011,
  author    = {Stehl, Thomas},
  title     = {Mobilit{\"a}t, Sprachkontakte und Integration : Aspekte der Migrationslinguistik},
  isbn      = {978-3-86956-090-8},
  year      = {2011},
  language  = {de}
}
@article{Stehl2011,
  author    = {Stehl, Thomas},
  title     = {Vorwort},
  series = {Mobilisierte Kulturen},
  journal   = {Mobilisierte Kulturen},
  number    = {2},
  issn      = {2192-3019},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-53626},
  pages     = {7 -- 13},
  year      = {2011},
  language  = {de}
}
@misc{Stecker2011,
  author    = {Stecker, Christian},
  title     = {Linking citizens and parties how electoral systems matter for political representation},
  series = {West European politics},
  volume    = {34},
  journal   = {West European politics},
  number    = {6},
  publisher = {Routledge, Taylor \& Francis Group},
  address   = {Abingdon},
  issn      = {0140-2382},
  doi       = {10.1080/01402382.2011.616673},
  pages     = {1316 -- 1317},
  year      = {2011},
  language  = {en}
}
@article{Stecker2011,
  author    = {Stecker, Christian},
  title     = {Determinants of party unity a comparative analysis of the german state parliaments},
  series = {Politische Vierteljahresschrift : Zeitschrift der Deutschen Vereinigung f{\"u}r Politische Wissenschaft},
  volume    = {52},
  journal   = {Politische Vierteljahresschrift : Zeitschrift der Deutschen Vereinigung f{\"u}r Politische Wissenschaft},
  number    = {3},
  publisher = {Nomos},
  address   = {Hannover},
  issn      = {0032-3470},
  pages     = {424 -- 447},
  year      = {2011},
  abstract  = {Using 2184 roll call votes (RCV) from 42 electoral terms this paper tests the influence of different factors on party unity in the German Landtage. It finds evidence that the strategic calculus behind RCV-requests is a crucial predictor for unity scores. The requesting party group is on average significantly more united than its parliamentary competitors. It also shows that government status, thin governmental majorities and a growing ideological distance between government and opposition increase unity. Electoral incentives, however, do not seem to influence voting behavior in the German Lander.},
  language  = {de}
}
@article{StankiewiczMunozRitteretal.2011,
  author    = {Stankiewicz, Jacek and Munoz, G. and Ritter, Oliver and Bedrosian, Paul A. and Ryberg, Trond and Weckmann, Ute and Weber, Michael H.},
  title     = {Shallow lithological structure across the Dead Sea Transform derived from geophysical experiments},
  series = {Geochemistry, geophysics, geosystems},
  volume    = {12},
  journal   = {Geochemistry, geophysics, geosystems},
  number    = {3-4},
  publisher = {American Geophysical Union},
  address   = {Washington},
  issn      = {1525-2027},
  doi       = {10.1029/2011GC003678},
  pages     = {15},
  year      = {2011},
  abstract  = {In the framework of the DEad SEa Rift Transect (DESERT) project a 150 km magnetotelluric profile consisting of 154 sites was carried out across the Dead Sea Transform. The resistivity model presented shows conductive structures in the western section of the study area terminating abruptly at the Arava Fault. For a more detailed analysis we performed a joint interpretation of the resistivity model with a P wave velocity model from a partially coincident seismic experiment. The technique used is a statistical correlation of resistivity and velocity values in parameter space. Regions of high probability of a coexisting pair of values for the two parameters are mapped back into the spatial domain, illustrating the geographical location of lithological classes. In this study, four regions of enhanced probability have been identified, and are remapped as four lithological classes. This technique confirms the Arava Fault marks the boundary of a highly conductive lithological class down to a depth of similar to 3 km. That the fault acts as an impermeable barrier to fluid flow is unusual for large fault zone, which often exhibit a fault zone characterized by high conductivity and low seismic velocity. At greater depths it is possible to resolve the Precambrian basement into two classes characterized by vastly different resistivity values but similar seismic velocities. The boundary between these classes is approximately coincident with the Al Quweira Fault, with higher resistivities observed east of the fault. This is interpreted as evidence for the original deformation along the DST originally taking place at the Al Quweira Fault, before being shifted to the Arava Fault.},
  language  = {en}
}
@article{StankeBierHoezel2011,
  author    = {Stanke, Sandra and Bier, Frank Fabian and Hoezel, Ralph},
  title     = {Fluid streaming above interdigitated electrodes in dielectrophoresis experiments},
  series = {Electrophoresis : microfluidics, nanoanalysis \& proteomics},
  volume    = {32},
  journal   = {Electrophoresis : microfluidics, nanoanalysis \& proteomics},
  number    = {18},
  publisher = {Wiley-Blackwell},
  address   = {Malden},
  issn      = {0173-0835},
  doi       = {10.1002/elps.201100096},
  pages     = {2448 -- 2455},
  year      = {2011},
  abstract  = {For the investigation of alternating current electrokinetic effects, a system is presented that allows for the simultaneous observation of fluid flow above and around microelectrodes in all three directions in space. Beside the usual microscopical view from top, lateral observation through the same objective is made possible by two small mirrors that are placed next to the electrodes. Fluid flow and movement of fluorescent nanoparticles above interdigitated electrodes are monitored by fluorescence microscopy and digital imaging and are further analysed by image processing. Field frequencies are varied from 10 Hz to 1 GHz at up to 10V(rms). Electrical conductivity of the fluid is monitored in situ in the actual measuring chamber.},
  language  = {en}
}
@article{StahlbergLahmann2011,
  author    = {Stahlberg, Tim and Lahmann, Henning},
  title     = {A Paradigm of Prevention Humpty Dumpty, the War on Terror, and the Power of Preventive Detention in the United States, Israel, and Europe},
  series = {The American journal of comparative law},
  volume    = {59},
  journal   = {The American journal of comparative law},
  number    = {4},
  publisher = {American Society of Comparative Law},
  address   = {Berkeley},
  issn      = {0002-919X},
  doi       = {10.5131/AJCL.2010.0034},
  pages     = {1051 -- 1087},
  year      = {2011},
  abstract  = {A decade into the proclaimed "global war on terror," states are still struggling with the phenomenon's locus and definition under the effective laws. Remarkably, preventive detention of suspected terrorists fluctuates between various legal regimes: In Europe, criminal law is predominantly used but special security orders are occasionally issued as well; Israel applies in part the law of international armed conflicts; and in the United States, detention under a new war premise has been claimed. This Article analyzes the response of the U.S. Supreme Court, the Israeli Supreme Court, and the European Court of Human Rights to legislative and executive policies asserting the power of preventive detention in the aftermath of September 11, 2001. The comparison exposes significant differences with regard to the application of international law, and most prominently concerning the underlying question of whether the struggle against terrorism should be considered a "war," or, perhaps more traditionally, a fight against crime. Despite the substantial discrepancies in these three jurisdictions, this Article argues that the similarities are actually more striking. Whereas no court has accepted any attempt to fight terrorism outside the bounds of law, the judges have not hesitated to stretch and blur the pertinent frameworks by extensive interpretation. Ultimately, it is questionable whether on account of the individual's rights the resulting flexibilities and uncertainties are justifiable. "I don't know what you mean by 'glory'," Alice said. Humpty Dumpty smiled contemptuously. "Of course you don't till I tell you. I meant 'there's a nice knock-down argument for you!" "But 'glory' doesn't mean 'a nice knock-down argument" Alice objected. "When I use a word," Humpty Dumptysaid, in rather a scornful tone, "it means just what I choose it to mean - neither more nor less." "The question is," said Alice, "whether you can make words mean different things." "The question is," said Humpty Dumpty, "which is to be master that's all."},
  language  = {en}
}
@phdthesis{Stahl2011,
  author    = {Stahl, Silvester},
  title     = {Selbstorganisation von Migranten im deutschen Vereinssport : eine soziologische Ann{\"a}herung},
  publisher = {Universit{\"a}tsverlag Potsdam},
  address   = {Potsdam},
  isbn      = {978-3-86956-151-6},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-53788},
  school      = {Universit{\"a}t Potsdam},
  pages     = {341},
  year      = {2011},
  abstract  = {Diese von der Wirtschafts- und Sozialwissenschaftlichen Fakult{\"a}t der Universit{\"a}t Potsdam angenommene Dissertation thematisiert die Selbstorganisation von Migranten in eigenen Sportvereinen und auf anderen Ebenen des Vereinssports. Sie beruht auf den Ergebnissen eines vom Bundesinstitut f{\"u}r Sportwissenschaft gef{\"o}rderten Forschungsprojekts der Universit{\"a}t Potsdam. Mit mehreren hundert Migrantensportvereinen in ganz Deutschland stellt der Sport einen der wichtigsten Gesellschaftsbereiche f{\"u}r die Selbstorganisation von Zuwanderern dar. Doch obwohl sich Migranten in der Bundesrepublik schon seit den 1960er Jahren in eigenen Sportvereinen zusammenschließen, ist das Thema zuvor noch nicht umfassend untersucht worden. Um diese Forschungsl{\"u}cke zu schließen, stellt die Arbeit Basisinformationen {\"u}ber verschiedene Organisationsformen, typische Entstehungszusammenh{\"a}nge, spezifische Problemfelder sowie wiederkehrende Konfliktmuster bereit und pr{\"a}sentiert darauf aufbauende Annahmen {\"u}ber die Wirkungen der sportbezogenen Selbstorganisation auf das Verh{\"a}ltnis von Einheimischen und Zuwanderern im Sport, auf die allgemeinen interethnischen Beziehungen und auf den gesamtgesellschaftlichen Integrationsprozess. Daran ankn{\"u}pfend werden m{\"o}gliche Konsequenzen aufgezeigt, die die verschiedenen Akteure des Sportsystems aus den dargestellten Forschungsbefunden ziehen k{\"o}nnen. Die Arbeit basiert auf den Befunden einer in den Jahren 2006 bis 2009 durchgef{\"u}hrten empirischen Untersuchung, in der verschiedene qualitative Methoden eingesetzt wurden, um das Forschungsfeld explorativ, ergebnisoffen und in einer m{\"o}glichst weiten Perspektive zu beleuchten. In erster Linie bestand diese Feldstudie in einer Interviewreihe, f{\"u}r die 25 Vertreter von Migrantensportvereinen sowie 15 Feldexperten aus verschiedenen Berufsgruppen und Organisationen in Leitfaden-Interviews befragt wurden. Erg{\"a}nzt wurde die Interviewstudie durch eine Zeitungsanalyse, f{\"u}r die sieben Tages- und Wochenzeitungen nach Artikeln zum Thema durchsucht wurden, sowie gezielte Feldbeobachtungen, etwa beim Besuch von Fußballspielen, bei Versammlungen und Festen sowie in Vereinsheimen. Dar{\"u}ber hinaus wurde eine umfangreiche Internetrecherche durchgef{\"u}hrt, bei der vor allem die Webseiten von {\"u}ber 65 Migrantensportvereinen in Augenschein genommen wurden. In allen Untersuchungsteilen war das Vorgehen des Verfassers stark an der Grounded-Theory-Methode orientiert. Die so gewonnenen Forschungsergebnisse deuten darauf hin, dass eigenst{\"a}ndige Migrantensportvereine, die als vorherrschende Form der sportbezogenen Selbstorganisation von Zuwanderern im Mittelpunkt der Arbeit stehen, aus komplexen gesellschaftlichen Inklusions-, Schließungs- sowie Segmentationsprozessen resultieren und interindividuell unterschiedliche Beteiligungsmotive ihrer Mitglieder aufnehmen. Sie stellen typischerweise multifunktionale Hybridorganisationen dar und erbringen f{\"u}r die beteiligten Migranten und deren lokale Gemeinschaften spezifische Integrations-, Repr{\"a}sentations- und Solidarleistungen, durch die sie sich signifikant von deutschen Sportvereinen und Migrantenorganisationen in anderen Sektoren abheben. Zugleich unterscheiden sich die Migrantensportvereine untereinander hinsichtlich Vereinst{\"a}tigkeit, Selbstverst{\"a}ndnis und Konfliktbeteiligung sehr stark. Ihre R{\"u}ckwirkung auf den Vereinssport als organisationales Feld, auf die interethnischen Beziehungen in anderen Gesellschaftsbereichen und auf den gesamtgesellschaftlichen Integrationsprozess ist den pr{\"a}sentierten Forschungsergebnissen zufolge gleichfalls sehr ambivalent. Einerseits erbringen Migrantenvereine nicht nur die gleichen gemeinn{\"u}tzigen Leistungen im Bereich der sozialen Integration wie andere Sportvereine auch, sondern entfalten dar{\"u}ber hinaus, indem sie die Integrationsf{\"a}higkeit ihrer Mitglieder erh{\"o}hen und Personen in den organisierten Sport einbeziehen, die sonst gar keinem Sportverein beitreten w{\"u}rden, spezifische Integrationswirkungen, die andere Sportvereine nicht aufweisen. Andererseits erh{\"o}ht die Selbstorganisation von Migranten in eigenen Sportvereinen soziale Distanzen und Spannungen zwischen Einheimischen und Zuwanderern, zumal Migrantensportvereine vor allem an den manchmal gewaltvollen Konflikten im Amateurfußball {\"u}berproportional h{\"a}ufig beteiligt sind. Dar{\"u}ber hinaus stellt ein relativ kleiner Teil der Migrantensportvereine wegen Organisationsdefiziten eine ernste Belastung f{\"u}r die T{\"a}tigkeit der Sportverb{\"a}nde dar. Pauschalisierende Negativbewertungen der Vereine werden vom Verfasser jedoch als ungerechtfertigt und nicht sachangemessen zur{\"u}ckgewiesen.},
  language  = {de}
}
@article{Stadler2011,
  author    = {Stadler, Heike},
  title     = {Mehr Chancen als Risiken},
  series = {BuB : Forum f{\"u}r Bibliothek und Information 63 (2011) 3},
  volume    = {63},
  journal   = {BuB : Forum f{\"u}r Bibliothek und Information 63 (2011) 3},
  number    = {3},
  publisher = {Bock + Herchen},
  address   = {Bad Honnef},
  pages     = {196 -- 199},
  year      = {2011},
  abstract  = {Anne Christensen spricht von partizipativer Entwicklung, wenn sie sich zum Komplex Bibliothek 2.0 {\"a}ußert, und meint damit prim{\"a}r die st{\"a}rkere Einbeziehung der Benutzer, wenn es um die Zukunft der kollaborativen Erschließung von Medien in Bibliothekskatalogen geht.1 Diese Art der Partizipation tangiert Kernaufgaben sowohl an {\"O}ffentlichen als auch an wissenschaftlichen Bibliotheken. {\"U}ber die Beteiligung der Benutzer am Katalog 2.0 hinaus k{\"o}nnte auch durch eine weitere Form der Partizipation Einfl uss auf die Zukunft {\"O}ffentlicher Bibliotheken genommen werden: durch den B{\"u}rgerhaushalt.},
  language  = {de}
}
@article{Stadler2011,
  author    = {Stadler, Heike},
  title     = {Der B{\"u}rger entscheidet mit},
  series = {BuB : Forum f{\"u}r Bibliothek und Information 63 (2011) 6},
  volume    = {63},
  journal   = {BuB : Forum f{\"u}r Bibliothek und Information 63 (2011) 6},
  number    = {6},
  publisher = {Bock + Herchen},
  address   = {Bad Honnef},
  pages     = {450 -- 453},
  year      = {2011},
  abstract  = {»Warum erregt der geplante Abriss eines Bahnhofs die Nation, w{\"a}hrend gegen das hundertfache Sterben von Bibliotheken immer nur ein paar Stimmen laut werden? Wo sind die Wutb{\"u}rger, wenn man sie braucht?«, {\"u}berlegte sich hierzulande Tilman Spreckelsen.1 Die Kernfrage lautet also: Stehen die B{\"u}rger eigentlich hinter der Bibliothek? Ob und wie die B{\"u}rgerschaft f{\"u}r ihre {\"O}ffentliche Bibliothek entscheidet, wenn sie entscheiden darf, wird im vorliegenden Aufsatz thematisiert. Ergebnisse von B{\"u}rgerbegehren und B{\"u}rgerentscheiden stehen dabei im Fokus, da b{\"u}rgerschaftliches Engagement bei diesen Mitwirkungsinstrumenten besonders gefragt ist und es gleichzeitig kommunalpolitische Folgen haben kann. Am Beispiel von Stuttgart 21 wird dar{\"u}ber hinaus der Fragestellung nachgegangen, wie sich eine {\"O}ffentliche Bibliothek zu Sachverhalten positioniert, die (nicht nur) kommunalpolitisch brisant sind.},
  language  = {de}
}
@article{Stadler2011,
  author    = {Stadler, Heike},
  title     = {Porto Alegre und Christchurch als Vorbild},
  series = {BuB : Forum f{\"u}r Bibliothek und Information 63 (2011) 3},
  volume    = {63},
  journal   = {BuB : Forum f{\"u}r Bibliothek und Information 63 (2011) 3},
  number    = {3},
  publisher = {Bock + Herchen},
  address   = {Bad Honnef},
  pages     = {197},
  year      = {2011},
  language  = {de}
}
@book{Stadler2011,
  author    = {Stadler, Heike},
  title     = {{\"O}ffentliche Bibliotheken im B{\"u}rgerhaushalt},
  series = {KWI-Arbeitshefte},
  journal   = {KWI-Arbeitshefte},
  number    = {20},
  publisher = {Universit{\"a}tsverlag Potsdam},
  address   = {Potsdam},
  isbn      = {978-3-86956-111-0},
  issn      = {1616-8127},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-49248},
  publisher      = {Universit{\"a}t Potsdam},
  pages     = {104},
  year      = {2011},
  abstract  = {Intention der Arbeit war es, die bibliothekarische Fachwelt zun{\"a}chst auf den Begriff und die Bedeutung des B{\"u}rgerhaushaltes aufmerksam zu machen und eine Auseinandersetzung mit der Thematik zu f{\"o}rdern. Die {\"O}ffentliche Bibliothek kann ein Diskussions- bzw. Beteiligungsgegenstand zwischen B{\"u}rgerschaft und Politik sowie Verwaltung sein, wenn es im partizipatorischen Verfahren des B{\"u}rgerhaushaltes darum geht, Modernisierungsergebnisse in einer Stadt durch gezielte Finanzierung zu erlangen. Eruiert wurde, ob der B{\"u}rgerhaushalt das Potential hat, zur Modernisierung von Dienstleistungen {\"O}ffentlicher Bibliotheken beizutragen. Mittels Interviews wurden Informationen gesammelt, aufbereitet und ausgewertet.},
  language  = {de}
}
@article{Stadie2011,
  author    = {Stadie, Nicole},
  title     = {Entwicklungsdyslexie im Rahmen kognitiv-orientierter Erkl{\"a}rungsans{\"a}tze},
  series = {Spektrum Patholinguistik},
  journal   = {Spektrum Patholinguistik},
  number    = {4},
  issn      = {1869-3822},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-54191},
  pages     = {23 -- 31},
  year      = {2011},
  language  = {de}
}
@article{Stadie2011,
  author    = {Stadie, Nicole},
  title     = {Entwicklungsdyslexie im Rahmen kognitiv-orientierter Erkl{\"a}rungs{\"a}tze},
  year      = {2011},
  language  = {de}
}
@article{SrinivasanSenthilkumarMuralietal.2011,
  author    = {Srinivasan, K. and Senthilkumar, Dharmapuri Vijayan and Murali, K. and Lakshmanan, Muthusamy and Kurths, J{\"u}rgen},
  title     = {Synchronization transitions in coupled time-delay electronic circuits with a threshold nonlinearity},
  series = {Chaos : an interdisciplinary journal of nonlinear science},
  volume    = {21},
  journal   = {Chaos : an interdisciplinary journal of nonlinear science},
  number    = {2},
  publisher = {American Institute of Physics},
  address   = {Melville},
  issn      = {1054-1500},
  doi       = {10.1063/1.3591791},
  pages     = {11},
  year      = {2011},
  abstract  = {Experimental observations of typical kinds of synchronization transitions are reported in unidirectionally coupled time-delay electronic circuits with a threshold nonlinearity and two time delays, namely feedback delay tau(1) and coupling delay tau(2). We have observed transitions from anticipatory to lag via complete synchronization and their inverse counterparts with excitatory and inhibitory couplings, respectively, as a function of the coupling delay tau(2). The anticipating and lag times depend on the difference between the feedback and the coupling delays. A single stability condition for all the different types of synchronization is found to be valid as the stability condition is independent of both the delays. Further, the existence of different kinds of synchronizations observed experimentally is corroborated by numerical simulations and from the changes in the Lyapunov exponents of the coupled time-delay systems.},
  language  = {en}
}
@article{SpringerBrandstaedterLiepeltetal.2011,
  author    = {Springer, Anne and Brandst{\"a}dter, Simone and Liepelt, Roman and Birngruber, Teresa and Giese, Martin and Mechsner, Franz and Prinz, Wolfgang},
  title     = {Motor execution affects action prediction},
  series = {Brain and cognition : a journal of experimental and clinical research},
  volume    = {76},
  journal   = {Brain and cognition : a journal of experimental and clinical research},
  number    = {1},
  publisher = {Elsevier},
  address   = {San Diego},
  issn      = {0278-2626},
  doi       = {10.1016/j.bandc.2011.03.007},
  pages     = {26 -- 36},
  year      = {2011},
  abstract  = {Previous studies provided evidence of the claim that the prediction of occluded action involves real-time simulation. We report two experiments that aimed to study how real-time simulation is affected by simultaneous action execution under conditions of full, partial or no overlap between observed and executed actions. This overlap was analysed by comparing the body sides and the movement kinematics involved in the observed and the executed action. While performing actions, participants observed point-light (PL) actions that were interrupted by an occluder, followed by a test pose. The task was to judge whether the test pose depicted a continuation of the occluded action in the same depth angle. Using a paradigm proposed by Graf et al., we independently manipulated the duration of the occluder and the temporal advance of the test pose relative to occlusion onset (occluder time and pose time, respectively). This paradigm allows the assessment of real-time simulation, based on prediction performance across different occluder time/pose time combinations (i.e., improved task performance with decreasing time distance between occluder time and pose time is taken to reflect real-time simulation). The PL actor could be perceived as from the front or back, as indicated by task instructions. In Experiment 1 (front view instructions), evidence of action simulation was obtained for partial overlap (i.e., observed and performed action corresponded either in body side or movement kinematics), but not for full or no overlap conditions. The same pattern was obtained in Experiment 2 (back view instructions), ruling out a spatial compatibility explanation for the real-time pattern observed. Our results suggest that motor processes affect action prediction and real-time simulation. The strength of their impact varies as a function of the overlap between observed and executed actions.},
  language  = {en}
}
@article{Springer2011,
  author    = {Springer, Anne},
  title     = {Selbst, Kultur und soziale Kognition},
  series = {Das Bild zwischen Kognition und Kreativit{\"a}t},
  journal   = {Das Bild zwischen Kognition und Kreativit{\"a}t},
  publisher = {Transcript},
  address   = {Bielefeld},
  isbn      = {978-3-8376-1365-0},
  pages     = {171 -- 195},
  year      = {2011},
  language  = {de}
}
@phdthesis{Spreyer2011,
  author    = {Spreyer, Kathrin},
  title     = {Does it have to be trees? : Data-driven dependency parsing with incomplete and noisy training data},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-57498},
  school      = {Universit{\"a}t Potsdam},
  year      = {2011},
  abstract  = {We present a novel approach to training data-driven dependency parsers on incomplete annotations. Our parsers are simple modifications of two well-known dependency parsers, the transition-based Malt parser and the graph-based MST parser. While previous work on parsing with incomplete data has typically couched the task in frameworks of unsupervised or semi-supervised machine learning, we essentially treat it as a supervised problem. In particular, we propose what we call agnostic parsers which hide all fragmentation in the training data from their supervised components. We present experimental results with training data that was obtained by means of annotation projection. Annotation projection is a resource-lean technique which allows us to transfer annotations from one language to another within a parallel corpus. However, the output tends to be noisy and incomplete due to cross-lingual non-parallelism and error-prone word alignments. This makes the projected annotations a suitable test bed for our fragment parsers. Our results show that (i) dependency parsers trained on large amounts of projected annotations achieve higher accuracy than the direct projections, and that (ii) our agnostic fragment parsers perform roughly on a par with the original parsers which are trained only on strictly filtered, complete trees. Finally, (iii) when our fragment parsers are trained on artificially fragmented but otherwise gold standard dependencies, the performance loss is moderate even with up to 50\% of all edges removed.},
  language  = {en}
}