Events happening on September 15, 2015

Sep. 15, 2015 10am (Math350)	Ryan Rosenbaum (Colorado) More Representation Theory
Sep. 15, 2015 1pm (MATH 220)	Grad Algebra/Logic Agnes Szendrei (CU Boulder) The simplest polynomial time algorithm for CSPs: checking local consistency, Part 1
Sep. 15, 2015 1pm (Math350)	Stephen Preston X I will continue the survey of the aspects of Riemannian geometry from last time. In particular I will discuss normal and isothermal coordinates, the basic constant curvature spaces, and the uniformization theorem for surfaces. Riemannian geometry overview, part 2 of 3
Sep. 15, 2015 2pm (MATH 220)	Keith Kearnes (CU) X Continuation. Tame Congruence Theory
Sep. 15, 2015 2pm (MATH 350)	Lie Theory Shawn Burkett (CU) X Every finite group has two trivial supercharacter theories: the usual character theory and the one coming from "clumping" all nonprincipal characters. If the group has order greater than two, then these supercharacter theories are distinct. Recently, Lewis and Wynn showed that there are only two solvable groups and possibly only one nonsolvable group that have exactly two supercharacter theories. In this talk we discuss this result and an algorithm which was employed to finish the above classification. Groups with No Nontrivial Supercharacter Theories
Sep. 15, 2015 3pm (Math 350)	Markus Pflaum (CU Boulder) Introduction to Poisson geometry and deformation quantization (part 2)

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