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Monday, February 8, 2010

CR Geometry/Algebraic Geometry Seminar
4:00 pm   in 243 Altgeld Hall,  Monday, February 8, 2010
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Submitted by nevins.
Kevin Tucker (University of Michigan)
Jumping Numbers and Multiplier Ideals on Algebraic Surfaces
Abstract: Jumping numbers and multiplier ideals are recently defined invariants of singularities on complex algebraic varieties. We will give an introduction and overview while paying particular attention to the case of algebraic surfaces. Several new and interesting results will also be presented. These include the theorem that the jumping numbers of the germ of a plane curve (a priori analytic invariants) depend only on the topological type of the curve.