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SUMMARY:Vector fields on noncompact manifolds - Daisuke  Kishimoto (Kyushu
  University)
DTSTART:20240606T083000Z
DTEND:20240606T093000Z
UID:TALK217225@talks.cam.ac.uk
DESCRIPTION:Will present the Poincare-Hopf theorem for a bounded vector fi
 eld on a connected noncompact manifold having a cocompact and properly dis
 continuous action of a discrete group. As a corollary\, we will see that e
 very bounded vector field on such a noncompact manifold has infinitely man
 y zeros whenever the orbit manifold has nontrivial Euler characteristic an
 d the acting group is amenable.
LOCATION:External
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