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SUMMARY:Georg Frenck (Karlsruhe Institute of Technology)
DTSTART:20200519T123000Z
DTEND:20200519T133000Z
DTSTAMP:20260422T151547Z
UID:GoeTop/3
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/GoeTop/3/">H
 -space structures on spaces of metrics of positive scalar curvature</a>\nb
 y Georg Frenck (Karlsruhe Institute of Technology) as part of Göttingen t
 opology and geometry seminar\n\n\nAbstract\nWe construct and study an $H$-
 space multiplication on $\\mathcal{R}^+(M)$ for simply connected Spin-mani
 folds $M$ which are Spin-nullcobordant. This will lead to a form of comput
 ation called "graphical calculus" which is the used to derive a rigidity c
 riterion for the action of the diffeomorphism group on $\\mathcal{R}^+(M)$
  via pullback. We will also indicate\, how to get rid of the assumption of
  being simply connected and Spin.\n
LOCATION:https://researchseminars.org/talk/GoeTop/3/
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