Department of

Mathematics


Seminar Calendar
for events the day of Monday, August 26, 2013.

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Monday, August 26, 2013

10:00 am in 145 Altgeld Hall,Monday, August 26, 2013

de Rham Complexes on Orbit Spaces and Symplectic Quotients

Jordan Watts   [email] (UIUC Math)

Abstract: Let G be a Lie group acting on a manifold M. If the action is proper and free, then M/G is a manifold which admits a de Rham complex isomorphic to the subcomplex of basic forms on M. We will introduce the notion of a diffeology in order to extend this result to all proper actions. Time permitting, we will then compare this definition to a de Rham complex on a symplectic quotient as defined by Sjamaar.