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Michael Ehrig  

Endenicher Allee 60
Zimmer 1.003
53115 Bonn
email: mehrig (ergänze
Tel: +49 (0) 228 73 intern, intern = 3136

Working group: Algebra and Representation Theory in Bonn


  • Bonn, May 16 - May 20, 2016: Categorification

  • Summer term 2016

  • Working Seminar (SS 2016): Categorification at roots of unity for pedestrians
  • Research Seminar (SS 2016): Oberseminar Algebra

  • Previous Terms

  • Lecture Course (WS 2015/16): V4A4 Representation Theory II
  • Research Seminar (WS 2015/16): Oberseminar Algebra
  • Working Seminar (WS 2014/15): Recent topics in Representation theory
  • Reading Seminar (SS 2015): Hall algebras and related topics
  • Reading Seminar (WS 2014/15): Geometric Invariant Theory and Nakajima's Quiver Varieties
  • Lecture Course (SS 2014): Hopf Algebras and Quantum groups
  • Lecture Course (WS 2013/2014): Coxeter groups and Hecke algebras

  • Publications and Preprints

    1. On the category of finite-dimensional representations of OSp(r|2n): Part I
      (jt. with C. Stroppel):
      ArXiv version
      Local version to appear in "Representation theory - current trends and perspectives", EMS Series of Congress Reports.
    2. Generic gl(2)-foams, web and arc algebras
      (jt. with C. Stroppel and D. Tubbenhauer):
      ArXiv version
      Local version.
    3. The Blanchet-Khovanov algebras
      (jt. with C. Stroppel and D. Tubbenhauer):
      ArXiv version to appear in Contemporary Mathematics "Perspectives in Categorification".
    4. Koszul gradings on Brauer algebras
      (in Int. Math. Res. Not., jt. with C. Stroppel):
      ArXiv version.
    5. Schur-Weyl duality for the Brauer algebra and the ortho-symplectic Lie superalgebra
      (in Math. Zeitschrift, jt. with C. Stroppel):
      ArXiv version Local version.
    6. Nazarov-Wenzl algebras, coideal subalgebras and categorified skew Howe duality
      (jt. with C. Stroppel):
      ArXiv version
      Local version.
    7. Diagrammatic description for the categories of perverse sheaves on isotropic Grassmannians
      (in Selecta Mathematica, jt. with C. Stroppel):
      ArXiv version
      Local version
      Old version.
    8. 2-row Springer fibres and Khovanov diagram algebras for type D
      (jt. with C. Stroppel):
      ArXiv version to appear in Canadian Journal of Mathematics.
    9. MV-polytopes via affine buildings
      (in Duke Mathematical Journal)
      ArXiv version.
    10. Construction of MV-polytopes via LS-galleries: Dissertation, University of Cologne, 2008.
    11. Inklusionsverhalten von MV-Zykeln in Spezialfaellen: Diploma thesis, University of Wuppertal, 2004.


    02/2013 - 04/2013 Post-Doc Fellow at MSRI Program Noncommutative Algebraic Geometry and representation theory.
    05/2009 - 04/2015 DFG Schwerpunkt 1388 Darstellungstheorie.
    02/2007 - 08/2007 Marie Curie Research Training Network 505078 Liegrits.
    04/2005 - 09/2005Graduiertenkolleg 1052 Representation theory and its applications in mathematics and physics.