On orbit complexity of dynamical systems: intermediate value property and level set related to a Furstenberg problem

2024/08/07 by Chang, Yuanyang, Li, Bing, Wu, Meng
#Dynamical Systems (math.DS) #FOS: Mathematics

paper · doi:10.48550/arxiv.2408.04010

Abstract

For symbolic dynamics with some mild conditions, we solve the lowering topological entropy problem for subsystems and determine the Hausdorff dimension of the level set with given complexity, where the complexity is represented by Hausdorff dimension of orbit closure. These results can be applied to some dynamical systems such as β-transformations, conformal expanding repeller, etc. We also determine the dimension of the Furstenberg level set, which is related to a problem of Furstenberg on the orbits under two multiplicatively independent maps.

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