@article{SchubarthMauermeisterSeidel2017, author = {Schubarth, Wilfried and Mauermeister, Sylvi and Seidel, Andreas}, title = {Einf{\"u}hrung: Debatten und Positionen zur Hochschulentwicklung}, series = {Potsdamer Beitr{\"a}ge zur Hochschulforschung}, journal = {Potsdamer Beitr{\"a}ge zur Hochschulforschung}, number = {3}, publisher = {Universit{\"a}tsverlag Potsdam}, address = {Potsdam}, isbn = {978-3-86956-399-2}, issn = {2192-1075}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus4-399372}, pages = {9 -- 15}, year = {2017}, language = {de} } @book{SchubarthZyllaNiproschkeetal.2014, author = {Schubarth, Wilfried and Zylla, Birgitta and Niproschke, Saskia and Guder, Petra and Sonnen, Bernd-R{\"u}deger and Kahl, Wolfgang and Groeger-Roth, Frederick and Kaeding, Peer and B{\"o}hm, Christian and Voigt, Jana and Sturzbecher, Dietmar and Kohlstruck, Michael and M{\"o}ller, Kurt and Rolfes, Manfred and Winter, Frank and Breitschwerdt, Michael and Kopp, Andrea and Hinze, Klaus and L{\"o}sel, Friedrich and Klindworth-Mohr, Antje and Madl, Martina and Dunand, Annelie and Schanzenb{\"a}cher, Stefan and Rump-R{\"a}uber, Michael and Roos, Alfred and Seidel, Andreas and Gr{\"o}ger, Ulli and Ulbricht, Juliane and Martin, Christian and Behrendt, Daniel}, title = {Nachhaltige Pr{\"a}vention von Kriminalit{\"a}t, Gewalt und Rechtsextremismus}, editor = {Schubarth, Wilfried}, publisher = {Universit{\"a}tsverlag Potsdam}, address = {Potsdam}, isbn = {978-3-86956-014-4}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-70537}, publisher = {Universit{\"a}t Potsdam}, pages = {449}, year = {2014}, abstract = {Was wird unter „nachhaltiger Pr{\"a}vention" in der Pr{\"a}ventionsforschung verstanden? Welche guten Beispiele f{\"u}r nachhaltige Pr{\"a}vention gibt es in der Praxis? Und v. a.: Wie l{\"a}sst sich Pr{\"a}vention in den verschiedenen Bereichen wie Kriminalit{\"a}t, Gewalt und Rechtsextremismus nachhaltig gestalten? Diesen Fragen will der vorliegende Sammelband nachgehen und damit der Pr{\"a}ventionsdebatte neue Impulse verleihen. Der Band will insbesondere die nationale sowie internationale Fachdebatte konstruktiv aufgreifen, Theorie und Praxis verbinden, „good practice" Beispiele darstellen sowie Perspektiven nachhaltiger Pr{\"a}vention aufzeigen. Mit diesem Themenspektrum richtet er sich sowohl an die Wissenschaft als auch an die Praxis sowie insgesamt an eine interessierte {\"O}ffentlichkeit.}, language = {de} } @article{GoebelLagodzinskiSeidel2021, author = {G{\"o}bel, Andreas and Lagodzinski, Gregor J. A. and Seidel, Karen}, title = {Counting homomorphisms to trees modulo a prime}, series = {ACM transactions on computation theory : TOCT / Association for Computing Machinery}, volume = {13}, journal = {ACM transactions on computation theory : TOCT / Association for Computing Machinery}, number = {3}, publisher = {Association for Computing Machinery}, address = {New York}, issn = {1942-3454}, doi = {10.1145/3460958}, pages = {1 -- 33}, year = {2021}, abstract = {Many important graph-theoretic notions can be encoded as counting graph homomorphism problems, such as partition functions in statistical physics, in particular independent sets and colourings. In this article, we study the complexity of \#(p) HOMSTOH, the problem of counting graph homomorphisms from an input graph to a graph H modulo a prime number p. Dyer and Greenhill proved a dichotomy stating that the tractability of non-modular counting graph homomorphisms depends on the structure of the target graph. Many intractable cases in non-modular counting become tractable in modular counting due to the common phenomenon of cancellation. In subsequent studies on counting modulo 2, however, the influence of the structure of H on the tractability was shown to persist, which yields similar dichotomies.
Our main result states that for every tree H and every prime p the problem \#pHOMSTOH is either polynomial time computable or \#P-p-complete. This relates to the conjecture of Faben and Jerrum stating that this dichotomy holds for every graph H when counting modulo 2. In contrast to previous results on modular counting, the tractable cases of \#pHOMSTOH are essentially the same for all values of the modulo when H is a tree. To prove this result, we study the structural properties of a homomorphism. As an important interim result, our study yields a dichotomy for the problem of counting weighted independent sets in a bipartite graph modulo some prime p. These results are the first suggesting that such dichotomies hold not only for the modulo 2 case but also for the modular counting functions of all primes p.}, language = {en} } @article{SeidelSchubarthSpeck2011, author = {Seidel, Andreas and Schubarth, Wilfried and Speck, Karsten}, title = {Vereint in unsicheren Zeiten? : Eine Pilotstudie unter Jugendlichen in Ostdeutschland, Polen und Russland}, isbn = {978-3-86956-124-0}, year = {2011}, language = {de} } @book{SchubarthSpeckSeideletal.2012, author = {Schubarth, Wilfried and Speck, Karsten and Seidel, Andreas and Gottmann, Corinna and Kamm, Caroline and Krohn, Maud}, title = {Praxisbez{\"u}ge im Studium : Ergebnisse des ProPrax-Projektes zu Konzepten und Effekten von Praxisphasen unterschiedlicher Fachkulturen}, isbn = {978-3-531-18578-1}, year = {2012}, language = {de} } @book{SchubarthSpeckSeideletal.2012, author = {Schubarth, Wilfried and Speck, Karsten and Seidel, Andreas and Gottmann, Corinna and Kamm, Caroline and Krohn, Maud}, title = {Das Praxissemester im Lehramt : ein Erfolgsmodell? Zur Wirksamkeit des Praxissemesters im Land Brandenburg}, isbn = {978-3-531-18578-1}, year = {2012}, language = {de} } @book{SchubarthSpeckSeideletal.2012, author = {Schubarth, Wilfried and Speck, Karsten and Seidel, Andreas and Gottmann, Corinna and Kamm, Caroline and Krohn, Maud}, title = {Studium nach Bologna: Praxisbez{\"u}ge st{\"a}rken?! Praktika als Br{\"u}cke zwischen Hochschule und Arbeitsmarkt}, publisher = {Springer VS}, address = {Wiesbaden}, isbn = {978-3-531-18578-1}, pages = {IV, 317 S.}, year = {2012}, language = {de} } @book{SchubarthSpeckSeidel2012, author = {Schubarth, Wilfried and Speck, Karsten and Seidel, Andreas}, title = {Einf{\"u}hrung in den Band}, isbn = {978-3-531-18578-1}, year = {2012}, language = {de} } @article{PinkernelleAbrahamSeideletal.2009, author = {Pinkernelle, Josephine and Abraham, Andreas and Seidel, Katja and Braun, Katharina}, title = {Paternal deprivation induces dendritic and synaptic changes and hemispheric asymmetry of pyramidal neurons in the somatosensory cortex}, issn = {1932-8451}, doi = {10.1002/Dneu.20726}, year = {2009}, abstract = {Similar to maternal care, paternal care is a source of neonatal sensory stimulation, which in primates and rodents has been shown to be essential for developing structure and function of sensory cortices. The aim of our study in the biparental rodent Octodon degus was to assess the impact of paternal deprivation on dendritic and synaptic development in the somatosensory cortex. We (i) quantified the amount of paternal care in relation to total parental investment and (ii) compared dendritic and synaptic development of pyramidal neurons in the somatosensory cortex of animals raised by a single mother or by both parents. On the behavioral level we show that paternal care comprises 37\% of total parent-offspring interactions, and that the somatosensory stimulation provided by the fathers primarily consists of huddling, licking/grooming, and playing. On the morphological level we found that, compared with offspring raised by both parents (mother and father), the father-deprived animals displayed significantly reduced spine numbers on the basal dendrites of pyramidal neurons. Furthermore, paternal deprivation induces hemispheric asymmetry of the dendritic morphology of somatosensory pyramidal neurons. Father-deprived animals show shorter and less complex basal dendrites in the left somatosensory cortex compared with the right hemisphere. These findings indicate that paternal deprivation results in delayed or retarded dendritic and synaptic development of somatosensory circuits.}, language = {en} } @article{SchubarthSpeckGladaschetal.2007, author = {Schubarth, Wilfried and Speck, Karsten and Gladasch, Ulrike and Seidel, Andreas}, title = {Die 2. Phase der Lehrerausbildung aus Sicht der Brandenburger Lehramtskandidatinnen - die Potsdamer LAK-Studie}, isbn = {978-3-8309-1821-9}, year = {2007}, language = {de} }