Typical periodic optimization for open expanding multi-valued dynamical systems

Let (X,T)(X,T) be an open expanding multi-valued dynamical system, and let Lip(X)\operatorname{Lip}(X) denote the Banach space of Lipschitz real-valued functions on XX. Let PLip(X)P\subseteq\operatorname{Lip}(X) consist of those functions whose maximizing measure is unique and supported on a single periodic orbit. TPO conjecture. The set PP contains an open dense subset of Lip(X)\operatorname{Lip}(X) and is a prevalent subset of Lip(X)\operatorname{Lip}(X). This extends typical periodic optimization from single-valued systems to the open expanding multi-valued setting; the supplied excerpt gives no resolution status.

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Primary source

Oliver Jenkinson, Xiaoran Li, Yuexin Liao and Yiwei Zhang, “Ergodic Optimization for Open Expanding Multi-valued Topological Dynamical Systems”, arXiv:2503.18092 (2025).

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