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arXiv · 1503.06859

Commuting contractive idempotents in measure algebras

Nico Spronk
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Abstract

We determine when contractive idempotents in the measure algebra of a locally compact group commute. We consider a dynamical version of the same result. We also look at some properties of groups of measures whose identity is a contactive idempotent.

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Nico Spronk. 2015-03-23. Commuting contractive idempotents in measure algebras. https://doi.org/10.1215/20088752-3428247

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