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Quantitative Topology?

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Shmuel Weinberger, U Chicago

What
  • Colloquium
When Wed, Apr 18, 2018
from 04:10 PM to 05:00 PM
Where 204 Ritter Hall
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Topology is known for its reasoning about qualitative features of spaces, and as a subject, it contains many nonconstructive existence proofs.  A movie was made of one of these: Smale's theorem that the 2-sphere can be turned inside out.  I will describe some progress towards understanding what the complexity of some of the other objects and maps that we have never yet seen.

Tea is available at 3:30pm in the lobby of Ritter Hall, with the talk to follow at 4:10pm in 204 Ritter Hall (not our usual location!)
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