I'm a faculty member in the Mathematics Department of the University of Washington. My primary interests are in dynamical systems defined by group actions on algebraic structures such as compact abelian groups.
23 When is a monic integer polynomial the characteristic polynomial of a non-negative integer matrix? Apr 3 '11
18 Most interesting mathematics mistake? Apr 11 '15
10 Prove log of eigenvalues are dense in R? Sep 20 '12
10 Projection of Borel set from $R^2$ to $R^1$ Aug 2 '10
8 Intuition of Kolmogorov-Sinai entropy Sep 9 '13
7 Rate of convergence of an irrational rotation Nov 15 '14