This is my new (Jan 1, 2016) website. The old website can be found here

Welcome.

I am a professor emeritus in the Mathematics Department at the University of Arizona. I retired in January, 2025. I continue to be active in research. My research interests are in mathematical physics and probability.

Sample image

A chordal SLE trace with kappa=4

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Research supported by the National Science Foundation (DMS-0201566,DMS-0501168,DMS-0758649,DMS-1500850). Disclaimer