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UID:7903@i2m.univ-amu.fr
DTSTART;TZID=Europe/Paris:20160204T160000
DTEND;TZID=Europe/Paris:20160204T173000
DTSTAMP:20241120T205601Z
URL:https://www.i2m.univ-amu.fr/evenements/bratteli-diagrams-locally-semis
 imple-algebras-de-finetti-s-theorem-young-graph-random-walks-on-graded-gra
 phs/
SUMMARY: (...): Bratteli diagrams\, locally semisimple algebras: de Finetti
 's theorem\, Young graph\, random walks on graded graphs
DESCRIPTION:: I plan to describe the link between Bratteli diagrams (N-grad
 ed graphs) and characters of the corresponding algebras. We start from the
  classical example: a reformulation of de Finetti's theorem for Pascal tri
 angle. Then we describe Young graph for symmetric group and similar graphs
  for the Brauer algebras and infinite symmetric semigroup. Two last exampl
 es lead to two natural random walks on these graphs. I plan to make the ta
 lk clear for the 2nd-3rd year students. First of all\, I will remind short
 ly the necessary facts from the representation theory of finite groups (in
  particular\, symmetric groups).\n\nhttp://m.mathnet.ru/php/seminars.phtml
 ?option_lang=eng&amp\;presentid=13367\n\nLocation: Steklov Mathematical In
 stitute of RAS\, Conference Hall (8 Gubkina)\, Moscow
CATEGORIES:Event ERC IChaos
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