- JOURNAL OF FUNCTIONAL ANALYSIS Journal
- August 2020
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- We analyze the dichotomy amenable/paradoxical in the context of (discrete, countable, unital) semigroups and corresponding semigroup rings. We consider also Følner type characterizations of amenability and give an example of a semigroup whose semigroup ring is algebraically amenable but has no Følner sequence...
- amenability; paradoxical decompositions; semigroups; amenable traces