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SUMMARY:Manuel Krannich (Karlsruhe Institute of Technology)
DTSTART:20231010T150000Z
DTEND:20231010T160000Z
DTSTAMP:20260423T022712Z
UID:Geolis/126
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/Geolis/126/"
 >Exotic tori\, actions by $\\mathrm{SL}_d(\\mathbb Z)$\, and mapping class
  groups</a>\nby Manuel Krannich (Karlsruhe Institute of Technology) as par
 t of Geometria em Lisboa (IST)\n\n\nAbstract\nOne of the distinctive featu
 re of the $d$-dimensional torus $T^d$ is that it admits a faithful smooth 
 action by $\\mathrm{SL}_d(\\mathbb Z)$\, so one might wonder whether such 
 an action (or any nontrivial action) also exists for exotic tori i.e. smoo
 th $d$-manifolds that are homeomorphic but not diffeomorphic to $T^d$. I w
 ill discuss this and related questions in the talk\, based on joint work w
 ith M. Bustamante\, A. Kupers\, and B. Tshishiku.\n
LOCATION:https://researchseminars.org/talk/Geolis/126/
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