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Home page of Steffen Koenig
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     Koenig

Steffen Koenig

Universität Stuttgart
Institut für Algebra und Zahlentheorie
Pfaffenwaldring 57
D-70569 Stuttgart
Germany

Office hour: by appointment.

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Phone: ++49 (0)711 685 65297
Fax: ++49 (0)711 685 65322
Office: 7.519


  • Sommersemester 206: Vorlesung Lineare Algebra und Analytische Geometrie 2.
    Hauptseminar Algebra.
    Masterseminar Frobeniusalgebren.
  • Wintersemester 2015/16: Vorlesung Höhere Mathematik 3 für Elektrotechniker, Kybernetiker, Mechatroniker und Physiker.
  • Sommersemester 2015: Vorlesung Höhere Mathematik 2 für Elektrotechniker, Kybernetiker, Mechatroniker und Physiker.
  • Wintersemester 2014/15: Vorlesung Höhere Mathematik 1 für Elektrotechniker, Kybernetiker, Mechatroniker und Physiker.
  • Sommersemester 2014: Forschungssemester.
  • Wintersemester 2013/14: Vorlesung Schulmathematik vom höheren Standpunkt.
    Seminar Zahlentheorie.
  • Sommersemester 2013: Vorlesung Zahlentheorie II.
  • Sommersemester 2013: Vorlesung Halbeinfache komplexe Lie-Algebren und Darstellungstheorie II.
  • Wintersemester 2012/13: Vorlesung Zahlentheorie.
  • Wintersemester 2012/13: Vorlesung Halbeinfache komplexe Lie-Algebren und Darstellungstheorie.
  • Sommersemester 2012: Vorlesung Lineare Algebra und Analytische Geometrie 2:
    Webseite zu Vorlesung und Übungen (Okuson-System).
    Die Anmeldung zum Online-Forum findet sich unter Ilias.
  • Wintersemester 2011/12: Vorlesung Lineare Algebra und Analytische Geometrie 1:
    Webseite zu Vorlesung und Übungen (Okuson-System).
    Die Anmeldung zum Online-Forum findet sich unter Ilias.
  • Sommersemester 2011: Vorlesung Algebra
  • Wintersemester 2010/11: Vorlesung Darstellungstheorie

  • CURRENT / FORTHCOMING EVENTS AND ACTIVITIES:
    Oberseminare am IAZ

    NEW: Triangulated Categories in Algebra, Geometry and Topology, March 14-18, 2016, University of Stuttgart

    NEW: Workshop on Brauer Graph Algebras, March 21-23, 2016, University of Stuttgart

    RECENT:
    Follow-up workshop to Trimester Programme 'On the interaction of representation theory with geometry and combinatorics', Hausdorff research institute for mathematics, Bonn, March 22 to April 2, 2015.
    Including: Conference, March 27 to March 31, 2015.
    Spring school on Kac conjectures. Wuppertal. March 2015.
    Workshop on diagram algebras, Stuttgart, September 8 to 12, 2014.
    Annual meeting of the DFG priority programme on algorithmic and experimental methods in algebra, geometry and number theory, SPP 1489. March 3 to 7, 2014 (Evangelische Akademie, Bad Boll).
    Mini-Workshop: Localising and Tilting in Abelian and Triangulated Categories, Oberwolfach, May 12 to 18, 2013.
    Annual meeting of the DFG priority programme on representation theory, SPP 1388. March 25 to 28, 2013 (Evangelische Akademie, Bad Boll).
    Workshop on Gradings and Decomposition Numbers. September 24 to 28, 2012.
    ICRA 2012. August 8 to 17, 2012, Bielefeld.
    Workshop on Group Rings and Related Topics. June 25 to 29, 2012.
    Workshop on t-structures and related topics, July 7 to 9, 2011.
    Workshop in Bonn, 2011.
    HIM Trimester program on the interaction of representation theory with geometry and combinatorics, January to April 2011. (Poster)
    Winter school in Bonn, 2011.
    Darstellungstheorietage 2010, in Stuttgart.

    Representation theory of algebras and algebraic Lie theory - an academic interchange network with Chinese partners, funded by Rheinenergie-Stiftung

  • SOME RECENT EVENTS AND ACTIVITIES:
    Workshop on Representations and Cohomology, March 1-6, 2009
    Summer school on Geometry of Representations, July 26 to August 1, 2009
    Conference Perspectives in Representation Theory, September 27 to October 3, 2009

    See here for a list of recent events and activities
    .
  • GROUP MEMBERS:
    Current group members:
    Dr Bo Chen
    Dr Armin Shalile (DFG)
    Inga Benner
    Frederik Marks
    Dr Julian Külshammer
    René Marczinzik
    Dr Chrysostomos Psaroudakis (DFG)
    Dr Hongxing Chen (Humboldt foundation)
    Professor Yuehui Zhang (Shanghai Jiaotong University)
    Dr Ofir Schnabel (Minerva foundation)

    Long term / frequent visitors:
    Professor Alexander Kleshchev (University of Oregon, Eugene; Humboldt research award)
    Professor Changchang Xi (Capital Normal University Beijing; Humboldt foundation Bessel research award)

    Recent group members:
    Professor Nan Gao (Shanghai University)
    Dr Robert Hartmann (University of Würzburg)
    Dr Qunhua Liu (Nanjing Normal University)
    Dr Jorge Vitoria (University of Verona)
    Dr Dong Yang (Nanjing University)
    Dr Severin Müller-Platz
    Dr Muhammad Abrar (Kohat University)
    Dr Dung Tien Nguyen (Vinh University)
    Professor Abudukade Wufu (Xinjiang University Urumqi)

    Pictures and links to webpages of IAZ member can be found here.

    Group members earlier in 2010 and 2011:
    Dr Selene Sanchez Flores has moved to Montpellier.
    Dr Stefanie Pauly has finished her PhD studies.
    Dr Steffen Oppermann has moved to NTNU Trondheim.

    Visitors in 2010:
    Professor Sergiy Ovsiyenko, Kiew
    Professor Anne Henke, Oxford / München
    Professor Changchang Xi, Beijing
    Dr Lesya Bodnarchuk, Bonn

    Visitors in 2009:
    Professor Hua-Lin Huang, Jinan
    Dr Gongxiang Liu, Nanjing
    Professor Sergiy Ovsiyenko, Kiew
    Dr Nan Gao, Shanghai
    Dr Ronghua Tan, Enshi
    Dr Zhen Wang, Yangzhou
    Dr Intan Muchtadi-Alamsyah, Bandung
    Dr Csaba Szanto, Cluj

    Visitors in 2008/9:
    Dr Csaba Szanto, Cluj (April 2008)
    Professor Sergiy Ovsiyenko, Kiew (November 2008 to January 2009)
    Dr Nataliia Golovashchuk, Kiew (January 2009)
    Professor Markus Schmidmeier, Boca Raton (January to March 2009)
    Dr Anne Henke, Oxford (February/March 2009)
    Dr Ronhua Tan, Enshi (March to August 2009)
    Dr Nan Gao, Shanghai (July to September 2009)
    Dr Zhen Wang, Yangzhou (July to September 2009)

    See here for a list of former visitors,
    for a list of former PhD students,
    and for a list of former postdoctoral research assistants.


  • TEACHING :
    See above for current teaching.
    Past teaching in Stuttgart
    Teaching in Köln (2005 to 2010)

  • ORGANISING, EDITING, ...:
    2002 to 2013: Editorial Adviser of the London Mathematical Society (Bulletin, Journal and Proceedings of the LMS).
    Starting in 2008: Member of the Editorial Board of Journal of Algebra and its Applications. Term has finished by the end of 2015, not handling new submissions any more.
    2014-2015: Member of the Advisory Board of Journal of Algebra and its Applications.
    Starting in 2013: Member of the Editorial Board of Journal of Pure and Applied Algebra.
    Starting in 2014: Member of the Editorial Board of Algebras and Representation Theory.

    Editor (jointly with Michael Butler and Jan-Erik Roos) of the proceedings of 'Representation Theory and its Applications' (Uppsala 2004), Journal of Algebra and its Applications, volume 4 (2005), issues 5 and 6.
    Editor (jointly with Alexander Zimmermann) of two issues of 'Algebras and Representation Theory' dedicated to Klaus Roggenkamp on the occasion of his sixtieth birthday, volume 3, issue 4 (2000) and volume 4, issue 1 (2001).

    Co-ordinator (1/04-9/05) or deputy co-ordinator (10/05 - 12/06) of the academic interchange network 'Algebras, Representations and Applications', funded by the Leverhulme Trust.
    Co-ordinator of the AsiaLink network 'Algebras and Representations in China and Europe', funded by EU 2002-5.


  • RESEARCH :
    Publications
    Book
    Recent talks
  • BRIEF CV : Born in 1961.
    Diploma in mathematics 1986, University of Stuttgart.
    Zivildienst (military service without weapons) 1986-1988.
    PhD in mathematics 1988, University of Stuttgart.
    Habilitation and venia legendi in mathematics 1993, University of Stuttgart.
    1988 - 1995 Research positions and research fellowships at the Universities of Stuttgart, Bielefeld and Antwerp.
    1995 Maier-Leibnitz prize.
    1995 - 2000 Heisenberg fellowship, Privatdozent at Bielefeld.
    2000 - 2005 Professor and chair of pure mathematics, University of Leicester.
    2004 Received offers for professorships at Universität zu Köln and at University of Warwick.
    2004/5 Leverhulme research fellowship.
    2005 - 2010 Professor in Köln.
    Since 2010 Professor in Stuttgart.
  • PICTURES :