Béla Bollobás, Senior Research Fellow, Trinity College, Cambridge, and Jabie Hardin Chair of Excellence, University of Memphis will deliver the Howard Rowlee Lecture at 4:00p.m., Friday, April 20, 2007, in 115 Avery Hall. A reception will precede at 3:15p.m. in 348 Avery Hall.
Abstract: We shall present a selection of problems and results on the two-dimensional square lattice ranging from the frivolous to the very difficult. Although these problems are easy to understand and look innocent, some of them are unlikely to be solved within a few decades.
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