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Phillips 334

April 2017

Arik Wilbert (University of Bonn), GMA Seminar

April 13, 2017 @ 4:00 pm - 5:00 pm

Title: From Kazhdan-Lusztig polynomials to Springer fibers of type D Abstract: In the first part of this talk I will define parabolic Kazhdan-Lusztig polynomials of type D with respect to a maximal parabolic of type A and explain how to explicitly compute these recursively defined polynomials with the help of cup diagrams. Cup diagrams can be used to construct a so-called arc algebra of type D whose category of finite-dimensional modules is closely related to many interesting representation theoretic or geometric settings (e.g. infinite-dimensional representation theory of…

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