TL;DR
This paper provides a straightforward characterization of topological amenability using bounded cohomology, building on Johnson's reformulation of the concept.
Contribution
It introduces a simple cohomological criterion for topological amenability, clarifying its theoretical foundations.
Findings
Characterization of topological amenability via bounded cohomology
Connection to Johnson's reformulation of amenability
Simplification of understanding topological amenability
Abstract
We point out a simple characterisation of topological amenability in terms of bounded cohomology, following Johnson's reformulation of amenability.
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