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DTSTART;TZID="America/Chicago":20190402T140000
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DTSTAMP:20190916T150712
CREATED:20190411T192738Z
LAST-MODIFIED:20190430T213849Z
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SUMMARY:Dissertation Defense: Alexander Heaton
DESCRIPTION:Graded Multiplicity in Harmonic Polynomials from the Vinberg Setting\n\nAlexander Heaton\nUniversity of Wisconsin-Milwaukee\nPhD Graduate Student – Dissertator \n“We consider a family of examples falling into the following context (first considered by Vinberg): Let G be a connected reductive algebraic group over the complex numbers. A subgroup\, K\, of fixed points of a finite-order automorphism acts on the Lie algebra of G. Each eigenspace of the automorphism is a representation of K. Let V be one of the eigenspaces. We consider the harmonic polynomials on V as a representation of K\, which is graded by homogeneous degree. Given any irreducible representation of K\, we will see how its multiplicity in the harmonic polynomials is distributed among the various graded components. The results are described geometrically by counting integral points on faces of a polyhedron. The multiplicity in each graded component is given by intersecting these faces with an expanding sequence of shells.” \nCommittee Members:\nProfs. Jeb Willenbring (Advisor); Allen Bell\, Kevin McLeod\, Gabriella Pinter & Yi Ming Zou \n
URL:https://uwm.edu/math/event/dissertation-defense-alexander-heaton/
LOCATION:EMS Building\, Room E408\, E408; 3200 N Cramer St.\, Milwaukee\, WI\, 53211\, United States
CATEGORIES:Graduate Student Defenses
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