Michael Ehrig

Penrose tiling


Postal address: Michael Ehrig
School of Mathematics and Statistics F07
University of Sydney NSW 2006
Australia
Office: Room 526 Carslaw Building
Email: michael.ehrig@sydney.edu.au
Phone: +61 2 9351 5779
FAX: +61 2 9351 4534




I am a Research Fellow in the Algebra Research Group of the School of Mathematics and Statistics at the University of Sydney.

This semester I am teaching commutative algebra for 4th year. For further details, see here.

Research Interests

  • Representation theory of Lie algebras/groups
  • Representation theory of Lie superalgebras
  • Categorification in Lie theory
  • KLR algebras and variations
  • Centraliser algebras
  • TQFTs and knot invariants
  • Teaching

    Course Type Semester University
    Commutative Algebra Bachelor Lecture Course (4th year) 1st semester 2017 University of Sydney
    Tropical Geometry Master/Phd Lecture Course Summer 2016 University of Cologne
    Categorification at roots of unity Master/PhD Working Seminar Summer 2016 University of Bonn
    Representation Theory II (Hopf algebras and quantum groups) Master/PhD Lecture Course Winter 2015 University of Bonn
    Recent topics in Representation theory Master/PhD Working Seminar Winter 2015 University of Bonn
    Hall algebras and related topics Master/PhD Reading Seminar Summer 2015 University of Bonn
    Geometric Invariant Theory and Nakajima's Quiver Varieties Master/PhD Reading Seminar Winter 2014 University of Bonn
    Hopf Algebras and Quantum groups Master/PhD Lecture Course Summer 2014 University of Cologne
    Coxeter groups and Hecke algebras Bachelor Lecture Course Winter 2013 University of Cologne
    Kac-Moody groups and flag varieties Bachelor Reading Seminar Winter 2013 University of Cologne

    Publications and Preprints

    1. The periplectic Brauer algebra III: The Deligne category
      with K. Coulembier: ArXiv version
      (other versions: Local version)
    2. Functoriality of colored link homologies
      with D. Tubbenhauer and P. Wedrich: ArXiv version
      (other versions: Local version)
    3. The periplectic Brauer algebra II: Decomposition multiplicities
      with K. Coulembier: ArXiv version
      (other versions: Local version)
    4. Singular TQFTs, foams and type D arc algebras
      with D. Tubbenhauer and A. Wilbert: ArXiv version
      (other versions: Local version)
    5. On the category of finite-dimensional representations of OSp(r|2n): Part I
      with C. Stroppel: to appear in "Representation theory - current trends and perspectives", EMS Series of Congress Reports
      (other versions: ArXiv version and Local version)
    6. Generic gl(2)-foams, web and arc algebras
      with C. Stroppel and D. Tubbenhauer: ArXiv version
      (other versions: Local version)
    7. The Blanchet-Khovanov algebras
      with C. Stroppel and D. Tubbenhauer: to appear in Contemporary Mathematics "Perspectives in Categorification"
      (other versions: ArXiv version)
    8. Koszul gradings on Brauer algebras
      with C. Stroppel: Int. Math. Res. Not. version
      (other versions: ArXiv version)
    9. Schur-Weyl duality for the Brauer algebra and the ortho-symplectic Lie superalgebra
      with C. Stroppel: Math. Zeitschrift version
      (other versions: ArXiv version and Local version)
    10. Nazarov-Wenzl algebras, coideal subalgebras and categorified skew Howe duality
      with C. Stroppel: ArXiv version
      (other versions: Local version)
    11. Diagrammatic description for the categories of perverse sheaves on isotropic Grassmannians
      with C. Stroppel: Selecta Mathematica version
      (other versions: ArXiv version and Local version)
    12. 2-row Springer fibres and Khovanov diagram algebras for type D
      with C. Stroppel: Canadian Journal of Mathematics version
      (other versions: ArXiv version)
    13. MV-polytopes via affine buildings
      Duke Mathematical Journal version
      (other versions: ArXiv version)

    Thesises

    1. Construction of MV-polytopes via LS-galleries
      Dissertation, University of Cologne, 2008.
    2. Inklusionsverhalten von MV-Zykeln in Spezialfaellen
      Diploma thesis, University of Wuppertal, 2004.