Positive definite maps on amenable groups, II

Autor: Pichot, Mikaël, Séguin, Erik
Rok vydání: 2022
Předmět:
Druh dokumentu: Working Paper
Popis: We introduce an Ulam-type stability condition for positive definite maps defined on a countable group and prove that this condition characterizes amenability.
Databáze: arXiv