Publications

• (with Sarah Witherspoon) Support varieties and representation type of self-injective algebras, Homology Homotopy Appl. 13 (2011), no. 2, 197-215 pdf
• (with Sarah Witherspoon) Support varieties and representation type of small quantum groups, Internat. Math. Res. Notices 2010, no. 7, 1346-1362 pdf
• On the cohomology of modular Lie algebras, in: Lie Algebras, Vertex Operator Algebras and Their Applications, Raleigh, NC, 2005 (eds. Y.-Z. Huang and K. C. Misra), Contemp. Math., vol. 442, Amer. Math. Soc., Providence, RI, 2007, pp. 89-113 pdf
• Injective modules and prime ideals of universal enveloping algebras, in: Abelian Groups, Rings, Modules, and Homological Algebra, Auburn, AL, 2004 (eds. P. Goeters and O. M. G. Jenda), Lecture Notes in Pure and Applied Mathematics, vol. 249, Chapman & Hall/CRC, Boca Raton/London/New York, 2006, pp. 107-119 pdf
• Existence of triangular Lie bialgebra structures II, J. Pure Appl. Algebra 198 (2005), no. 1-3, 151-163 pdf
• On polynomials of sums of powers (in German), Mitt. Math. Ges. Hamburg 20 (2001), 115-124 pdf
• Existence of solutions of the classical Yang-Baxter equation for a real Lie algebra, Abh. Math. Sem. Univ. Hamburg 71 (2001), 297-304 pdf
• Representations of Lie colour algebras, Adv. Math. 157 (2001), no. 2, 95-137 pdf
• On the number of simple modules of a supersolvable restricted Lie algebra, J. Algebra 230 (2000), no. 2, 319-333 pdf
• Projective modules and blocks of supersolvable restricted Lie algebras, J. Algebra 222 (1999), no. 1, 284-300 pdf
• (with Daniel K. Nakano) Representation theory of the Witt algebra, J. Algebra 203 (1998), no. 2, 447-469
• Chief factors and the principal block of a restricted Lie algebra, in: The Monster and Lie Algebras, Columbus, OH, 1996 (eds. J. C. Ferrar and K. Harada), Ohio State Univ. Math. Res. Inst. Publ., vol. 7, Walter de Gruyter, Berlin, 1998, pp. 187-194 pdf
• (with Lee C. Klingler) Tensor powers and projective modules for Hopf algebras, in: Algebras and Modules II, Geiranger, 1996 (eds. I. Reiten, S. O. Smalř, and Ř. Solberg), Canad. Math. Soc. Conf. Proc., vol. 24, Amer. Math. Soc., Providence, RI, 1998, pp. 195-203
• Existence of triangular Lie bialgebra structures, J. Pure Appl. Algebra 134 (1999), no. 1, 1-14
• Homological topics in the representation theory of restricted Lie algebras, in: Lie Algebras and Their Representations, Seoul, 1995 (eds. S.-J. Kang, M.-H. Kim, and I. Lee), Contemp. Math., vol. 194, Amer. Math. Soc., Providence, RI, 1996, pp. 69-119 pdf
• On the block structure of supersolvable restricted Lie algebras, J. Algebra 183 (1996), no. 2, 396-419
• Blocks and projective modules for reduced universal enveloping algebras of a nilpotent restricted Lie algebra, Arch. Math. (Basel) 65 (1995), no. 6, 495-500
• A cohomological characterization of solvable modular Lie algebras, in: Non-Associative Algebra and Its Applications, Oviedo, 1993 (ed. S. González), Mathematics and Its Applications, vol. 303, Kluwer Academic Publishers, Dordrecht/Boston/London, 1994, pp. 133-139 pdf
• (with Detlef Günzel) On the curvature of symmetric coupler curves (in German), Konstruktion 44 (1992), no. 3, 99-104 pdf
• (with Helmut Strade) Restricted Lie algebras with bounded cohomology and related classes of algebras, Manuscripta Math. 74 (1992), no. 1, 47-67
• On the cohomology of restricted Lie algebras, Comm. Algebra 19 (1991), no. 10, 2865-2906
• (with Wolfram Funk and Peter Tolle) A contribution to the classification of coupler curves (in German), in: Proceedings of the 8th World Congress on the Theory of Machines and Mechanisms, Prague, 1991, vol. 4, pp. 1161-1164 pdf