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Thermodynamic formalism for discontinuous maps and statistical properties of their equilibrium states

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  • Bilbao, Rafael A.
  • Lucena, Rafael

Abstract

In this article, we develop a functional-analytic framework to establish existence, uniqueness, regularity of disintegration, and statistical properties of equilibrium states for a broad class of dynamical systems, potentially discontinuous and not necessarily locally invertible. Our approach is applied to a family of piecewise partially hyperbolic maps and associated classes of potentials. We further prove several statistical limit theorems, including exponential decay of correlations, and propose related questions and conjectures. A collection of examples illustrating the applicability of our results is provided, including partially hyperbolic attractors over horseshoes, discontinuous systems, non-invertible dynamical systems admitting a semi-conjugacy to intermittent maps such as the Manneville–Pomeau map, and fat solenoidal attractors.

Suggested Citation

  • Bilbao, Rafael A. & Lucena, Rafael, 2026. "Thermodynamic formalism for discontinuous maps and statistical properties of their equilibrium states," Chaos, Solitons & Fractals, Elsevier, vol. 207(C).
    • Handle: RePEc:eee:chsofr:v:207:y:2026:i:c:s0960077926001608
    DOI: 10.1016/j.chaos.2026.118019
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