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SUMMARY:K(pi\,1)-conjecture for 3-dimensional Artin groups - Jingyin Huang
  (Ohio State University)
DTSTART:20250905T091500Z
DTEND:20250905T101500Z
UID:TALK233671@talks.cam.ac.uk
DESCRIPTION:The K(pi\,1)-conjecture\, due to Arnold\, Brieskorn\, Pham\, a
 nd Thom\, predicts that for each Artin group\,&nbsp\;the space of regular 
 orbits of a canonical action of the associated Coxeter group is a classify
 ing space for this Artin group. We sketch a proof of the K(pi\,1)-conjectu
 re for all 3-dimensional Artin groups (as well as some higher dimensional 
 ones)\, which is based on a new notion of combinatorial non-positive curva
 ture. This is joint work with Piotr Przytycki.
LOCATION:Seminar Room 1\, Newton Institute
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