I am interested in representation theory, harmonic analysis, group theory, matrices over local rings, finite abelian groups, and combinatorics.
I have written a book: Representation Theory: A Combinatorial Viewpoint.
26 why study Lie algebras? mar 17 '11
24 What are your favorite instructional counterexamples? mar 23 '13
16 Do mutually dual finite vector spaces have the same orbit cardinalities under a linear group action? aug 2 '13
14 Are wild problems related to undecidable ones? aug 29 '11
14 Old books still used dec 29 '12
13 Automorphism group of a finite group oct 16 '13
13 Counting representations of $k[x,y]$ when $k$ is finite sep 12 '13