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SUMMARY:Pavel Nikitin (BIMSA)
DTSTART:20230210T090000Z
DTEND:20230210T103000Z
DTSTAMP:20260423T024759Z
UID:BIMSA-ISS/9
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/BIMSA-ISS/9/
 ">Semifinite harmonic functions on Bratteli diagrams</a>\nby Pavel Nikitin
  (BIMSA) as part of BIMSA Integrable Systems Seminar\n\n\nAbstract\nLocall
 y semisimple algebras (LS-algebras) are inductive limits of semisimple alg
 ebras\, and can be fully characterized by their Bratteli diagrams ($\\math
 bb{N}$-graded graphs). (Finite) harmonic functions on Bratteli diagrams ar
 e a standard tool in the representation theory of LS-algebras and semifini
 te harmonic functions are a natural generalization. We plan to give an ove
 rview of the subject\, starting with the classical results for the infinit
 e symmetric group\, followed by the recent results for the infinite symmet
 ric inverse semigroup. Joint work with N.Safonkin\n
LOCATION:https://researchseminars.org/talk/BIMSA-ISS/9/
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