# Events happening on April 19, 2022

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Tue, Apr. 19
1pm (Zoom)
###### Grad Algebra Seminar
Michael Levet (CU Boulder)
Weisfeiler—Leman for Group Isomorphism: Action Compatibility
Tue, Apr. 19
2:30pm (MATH 3…
###### Lie Theory
Richard Green (CU Boulder)
2-roots for simply-laced Weyl groups, Part II
Tue, Apr. 19
3pm (MATH 350)
###### Topology
Peter May (University of Chicago)
Homotopical Monadicity Theorem
Sponsored by the Meyer Fund