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SUMMARY:Thompson's chameleons: F\, V\, T - Dr Andrew Duncan (Newcastle Uni
 versity)
DTSTART:20190301T190000Z
DTEND:20190301T200000Z
UID:TALK118921@talks.cam.ac.uk
CONTACT:Valentin Hübner
DESCRIPTION:While working on problems in logic in the 1960's\, Richard J. 
 Thompson discovered a family of groups\, now called F\, T and V\, which ha
 ve simple definitions and give rise to many examples as well as tantalisin
 g problems. The groups were subsequently found to occur in several other g
 uises: in work on infinite simple groups\, homotopy and shape theory\, gro
 up co-homology\, dynamical systems\, knot theory and analysis\, and have b
 een generalised in several different ways.\n\nI will describe F\,T and V\,
  in a few different ways\, outline some important features and describe on
 e way in which they arise as dynamical systems.
LOCATION:MR2\, Centre for Mathematical Sciences
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