interested in representations of groups, algebraic groups, arithmetic groups, rigidity, and related automorphic forms. Recently interested in braid groups and configuration spaces.
29 g.c.d. and Euler's totient function Nov 19 '12
22 Can we have many 1-dimensional rep, and very few high dimensional reps in a finite group? Mar 2 '13
21 Which power series have bounded integral coefficients and have an inverse given by a series having bounded integral coefficients Feb 17 '15
17 Is the normalizer of a reductive subgroup reductive? Nov 23 '12
16 Why all irreducible representations of compact groups are finite-dimensional ? [EDIT: Subtleties: AC,etc] Jan 20 '13