On November 13, 2008 I participated in the Dynamical Systems Seminar at the University of Maryland. I gave a two-hour talk on Degrees of unsolvability of 2-dimensional subshifts of finite type.
My abstract is available in several formats: PDF, PS, DVI, HTML, plain text. My slides are available in several formats: PDF, PS.
A list of my recent and upcoming talks is available.
My publication list is available.
t20@psu.edu / 16 November 2008