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Plethysmos

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  • UserAlvaro Gutierrez Caceres, University of Bristol
  • ClockWednesday 04 February 2026, 16:30-17:30
  • HouseMR12.

If you have a question about this talk, please contact Adam Jones .

The talk is an invitation to study compositions of GL(n) representations. This fairly natural operation is called plethysm (from the Greek plethysmos, multiplication). Almost a century after it was first considered, very basic questions about this operation remained unasked. We will briefly touch on several new lines of research involving crystals, categorification, log-concavity, and Ehrhart theory.

This talk is part of the Algebra and Representation Theory Seminar series.

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