Combinatorial independence and naive entropy

Published 9 Jan 2019 in math.DS | (1901.02657v2)

Abstract: We study the independence density for finite families of finite tuples of sets for continuous actions of discrete groups on compact metrizable spaces. We use it to show that actions with positive naive entropy are Li-Yorke chaotic and untame. In particular, distal actions have zero naive entropy. This answers a question of Lewis Bowen.

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