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SUMMARY:Emmanuel Breuillard (University of Cambridge)
DTSTART:20210614T130000Z
DTEND:20210614T140000Z
DTSTAMP:20260404T094913Z
UID:HeilbronnVVP/1
DESCRIPTION:Title: <a href="https://stable.researchseminars.org/talk/Heilb
 ronnVVP/1/">Approximate groups</a>\nby Emmanuel Breuillard (University of 
 Cambridge) as part of Heilbronn Virtual Visiting Professors 2021\n\n\nAbst
 ract\nSymmetry is one of the most fundamental concepts of science and math
 ematics. Group theory is the field of mathematics devoted to its study. In
  this lecture we will discuss various situations where symmetry is present
  only partially and where a notion approximate symmetry arises naturally. 
 In group theory this leads to the notion of approximate group\, which has 
 been much studied in the last twenty years in connection with various fiel
 ds including additive combinatorics\, harmonic and fractal analysis\, asym
 ptotic finite group theory\, geometric group theory\, ergodic theory and e
 ven logic and model theory. The lecture will introduce this concept and pr
 esent some recent developments.\n
LOCATION:https://stable.researchseminars.org/talk/HeilbronnVVP/1/
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