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Positive definite maps on amenable groups

Published 1 Feb 2022 in math.OA and math.GR | (2202.00597v1)

Abstract: We describe conditions that characterize amenability for groups in terms of positive definite functions valued in a von Neumann algebra.

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Authors (2)

  1. Mikaël Pichot 
  2. Erik Séguin 

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