Britta Späth

University of Wuppertal

Towards the McKay Conjecture

Algebra Seminar

14th October 2020, 2:30 pm – 3:30 pm
Online, Zoom

During the last decade substantial progress in a final proof of the McKay conjecture has been made. I will give an overview of that development and its open questions. In those considerations a major concern is how group automorphisms act on characters of simple groups of Lie type. Using Jordan decomposition and Shintani descent the problem could be solved for symplectic groups by a counting argument. The last open cases are with simple groups of type D, where this problem becomes particular difficult since the outer automorphism group is bigger.

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