Characteristic factors for commuting actions of amenable groups
classification
🧮 math.DS
keywords
actionsfactorsamenablecharacteristiccommutinggroupsarisingassumptions
read the original abstract
We describe characteristic factors for certain averages arising from commuting actions of locally compact, second-countable, amenable groups. Under some ergodicity assumptions we use these factors to prove a form of multiple recurrence for three such actions.
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