Date: Thursday, October 03, 2019
Location: 3866 East Hall (3:00 PM to 4:00 PM)
Title: A tour through the proof of Margulis Superrigidity
Abstract: Margulis' Superrigidity theorem tells us that for a higher rank semisimple Lie group G, any representation of a lattice extends to a continuous representation of G (under reasonably mild conditions). In this talk, we'll go through a proof of this fact, and along the way see how this proof combines ideas from Lie theory, dynamics, and random walks on groups. In particular, we'll see how a stationary measure on G/P is constructed, and combine that with measure proximality to prove Margulis Superrigidity.
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Speaker: Sayantan Khan
Institution: University of Michigan
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