Friday, April 10, 2015 (1:00 p.m. in Yost 306)
Title: Banded Matrices and Fast Inverses
Speaker: Gilbert Strang (Professor of Mathematics, MIT)
Abstract: The inverse of a banded matrix A has a special form with low rank submatrices except at the main diagonal. That form comes directly from the Nullity Theorem. Then the inverse of that...
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Friday, April 10, 2015 (3:00 p.m. in Yost 306)
Title: From the Jones Polynomial to Khovanov Homotopy
Speaker: Robert Lipschitz (Associate Professor, Columbia University Department of Mathematics)
Abstract: We will start by introducing some basic questions in knot theory. We will then talk about the Jones polynomial, a knot invariant from the 1980's, and how it lets...