(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]
