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Technical University of Munich

Research interests

Representation theory of finite groups
 

Publications

  • (with Tung Le, Kay Magaard) On the Characters of the Sylow p-Subgroups of Untwisted Chevalley Groups Yn(pa),
    LMS J. Comput. Math. 19 (2016), 303-359.
    [Preprint: arXiv]
     
  • (with Felix Noeske) Restricting Unipotent Characters in Special Orthogonal Groups,
    LMS J. Comput. Math. 18 (2015), 456-488.
    [Preprint: arXiv]
     
  • (with Felix Noeske) Decomposition Numbers of SO7(q) and Sp6(q),
    J. Algebra 413 (2014), 15-40.
    [Preprint: arXiv]
     
  • (with Peter Symonds) Exterior and Symmetric Powers of Modules for Cyclic 2-Groups,
    J. Algebra 410 (2014), 393-420.
    [Preprint: arXiv]
     
  • (with Shih-chang Huang) On the Decomposition Numbers of Steinberg's Triality Groups 3D4(2n) in Odd Characteristics,
    Comm. Algebra 41 (2013), 1484-1498.
     
  • (with Shih-chang Huang) Dade's Invariant Conjecture for the Ree Groups 2F4(q2) in Defining Characteristic,
    Comm. Algebra 40 (2012), 452-496.
    [Preprint: arXiv]
     
  • (with Olivier Brunat) On Equivariant Bijections Relative to the Defining Characteristic,
    J. Algebra 334 (2011), 150-174.
    [Preprint: arXiv]
     
  • (with Tung Le, Kay Magaard) Characters of the Sylow p-Subgroups of the Chevalley Groups D4(pn),
    J. Algebra 332 (2011), 414-427.
    [Preprint: arXiv]
     
  • On the Decomposition Numbers of the Ree Groups 2F4(q2) in Non-Defining Characteristic,
    J. Algebra 325 (2011), 364-403.
    [Preprint: arXiv]
     
  • (with Shih-chang Huang) Character Tables of the Maximal Parabolic Subgroups of the Ree Groups 2F4(q2),
    LMS J. Comput. Math. 13 (2010), 90-110.
     
  • (with Jianbei An, Shih-chang Huang) Dade's Invariant Conjecture for the Symplectic Group Sp(4,2n) and the Special Unitary Group SU4(22n) in Defining Characteristic,
    Comm. Algebra 38 (2010), 2364-2403.
     
  • (with Hung Nguyen, Pham Tiep) On the Restriction of Cross Characteristic Representations of 2F4(q) to Proper Subgroups,
    Arch. d. Math. 93 (2009), 415-423.
    [Preprint: arXiv]
     
  • (with Shih-chang Huang) Character Table of a Borel Subgroup of the Ree Groups 2F4(q2),
    LMS J. Comput. Math. 12 (2009), 1-53.
     
  • (with Peter Symonds) Equivariant Hilbert Series,
    Algebra & Number Theory 3 (2009), 423-443.
     
  • Appendix to Hung Nguyen, Pham Tiep: Cross Characteristic Representations of 3D4(q) are Reducible over Proper Subgroups,
    J. Group Theory 11 (2008), 657-668.
     
  • (with Shih-chang Huang) Dade's Invariant Conjecture for Steinberg's Triality Groups 3D4(2n) in Defining Characteristic,
    J. Algebra 316 (2007), 802-827.
     
  • Character Tables of Parabolic Subgroups of Steinberg's Triality Groups 3D4(2n),
    J. Algebra 316 (2007), 254-283.
     
  • (with Jianbei An, Shih-chang Huang) Uno's Invariant Conjecture for Steinberg's Triality Groups in Defining Characteristic,
    J. Algebra 316 (2007), 79-108.
     
  • On the 2-Decomposition Numbers of Steinberg's Triality Groups 3D4(q), q odd,
    J. Algebra 309 (2007), 569-593.
     
  • Character Tables of Parabolic Subgroups of Steinberg's Triality Groups,
    J. Algebra 281 (2004), 774-822.
     

Theses

  • Character Tables of Parabolic Subgroups of Finite Groups of Lie Type and Applications, Habilitationsschrift, TU München, 2010.
     
  • Charaktertafeln parabolischer Untergruppen der Steinbergschen Trialitätsgruppen und Anwendungen auf deren Darstellungstheorie, Dissertation, RWTH Aachen, 2003. [pdf]
     
  • Die Dade-Vermutungen für die sporadische Suzuki-Gruppe, Diplomarbeit, RWTH Aachen, 1999. [pdf]
     

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