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SUMMARY:E.T.A. Kakariadis (Newcastle U.\, UK)
DTSTART:20230331T120000Z
DTEND:20230331T140000Z
DTSTAMP:20260415T032053Z
UID:AthensFAOA/57
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/AthensFAOA/5
 7/">Entropy and phase transitions for KMS-states of Pimsner-type algebras<
 /a>\nby E.T.A. Kakariadis (Newcastle U.\, UK) as part of Functional analys
 is and operator algebras in Athens\n\n\nAbstract\nThere is a well-develope
 d theory of Kubo-Martin-Schwinger states (or equilibrium states) for C*-al
 gebras\, which are motivated by the properties of Gibbs states for finite 
 matrices. They have attracted interest as they provide an invariant for cl
 assification up to equivariant isomorphisms of C*-algebras. There has been
  a growing study of their parametrization in particular for C*-algebras co
 ming from Hilbert modules\, which are generalizations of the Toeplitz and 
 Cuntz algebras. In this talk I will give an overview about the theory of K
 MS states in this setting and present how the notion of entropy allows to 
 identify phase transitions. Time permitting we will discuss how this works
  for graph algebras and Nica-Pimsner algebras.\n
LOCATION:https://researchseminars.org/talk/AthensFAOA/57/
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