Manuscripts

• Logarithms of integers are irrational, Notes, 2008 pdf
• Anti-commutative algebras in which every subalgebra is an ideal, Notes, 2007 pdf
• On the nilpotency of ideals in a solvable Lie algebra, Notes, 2003
• The Jacobson radical of a Lie algebra, preliminary version of a survey paper, 2003
• The Frattini subalgebra of a Lie algebra, preliminary version of a survey paper, 2002
• Higher derivatives of implicit functions (in German), Notes, 2000 pdf
• On groups and associated Lie algebras, preliminary version of a survey paper, 1999
• Representations of restricted Lie algebras with a triangular decomposition, Notes, 1999
• Complexity and support varieties for restricted Lie algebras, unpublished survey paper, 1996 pdf
• (joint with Markus Reineke) Standard derived equivalences, Notes of Talks at the Summerschool on Representation Theory in Pappenheim, Germany, in: Sonderforschungsbereich 343 “Discrete Structures in Mathematics”, University of Bielefeld, Supplementary Series, no. 95 - 007, 1995
• Tilting modules for quantum groups, extended English version of the next manuscript, 1995 pdf
• Tilting modules for quantum groups (in German), Notes of two Talks at the Workshop on Quantum Groups in Hesselberg, Germany, in: Sonderforschungsbereich 343 “Discrete Structures in Mathematics”, University of Bielefeld, Supplementary Series, no. 94 - 001, 1994
• Some conjectures in the block theory of solvable restricted Lie algebras, unpublished survey paper, 1993 pdf
• Injective modules and the prime spectrum of universal enveloping algebras, preliminary version of a paper, 1990
• The representation type of restricted simple Lie algebras, unpublished paper, 1990
• Cohomology of Lie algebras (in German), Notes for an Algebra Seminar at the University of Hamburg, 1988
• A brief introduction to plane algebraic curves (in German), Notes for Mechanical Engineers, 1986