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A classical result in thermodynamic formalism is that for uniformly hyperbolic systems, every H\"older continuous potential has a unique equilibrium state. One proof of this fact is due to Rufus Bowen and uses the fact that such systems…

Dynamical Systems · Mathematics 2020-12-21 Vaughn Climenhaga , Daniel J. Thompson

We study thermodynamic formalism of dynamical systems with non-uniform structure. Precisely, we obtain the uniqueness of equilibrium states for a family of non-uniformly expansive flows by generalizing Climenhaga-Thompson's orbit…

Dynamical Systems · Mathematics 2025-04-18 Tianyu Wang , Weisheng Wu

In [2], Bowen showed that for an expansive system (X, T) with specification and a potential with the Bowen property, the equilibrium state is unique and fully supported. We generalize that result by showing that the same conclusion holds…

Dynamical Systems · Mathematics 2017-10-03 Ronnie Pavlov

We examine uniqueness of equilibrium states for the natural extension of a topologically exact, non-uniformly expanding, local homeomorphism with a H\"older continuous potential function. We do this by applying general techniques developed…

Dynamical Systems · Mathematics 2020-05-05 Todd Fisher , Krerley Oliveira

We consider the uniqueness of equilibrium states for dynamical systems that satisfy certain weak, non-uniform versions of specification, expansivity, and the Bowen property at a fixed scale. Following Climenhaga-Thompson's approach which…

Dynamical Systems · Mathematics 2022-01-19 Maria Jose Pacifico , Fan Yang , Jiagang Yang

We study the existence and uniqueness of equilibrium states for continuous flows on a compact, locally maximal invariant set under weak, non-uniform versions of specification, expansivity, and the Bowen property, further improving the…

Dynamical Systems · Mathematics 2025-04-01 Maria Jose Pacifico , Fan Yang , Jiagang Yang , Gongran Yao

It is well-known that for expansive maps and continuous potential functions, the specification property (for the map) and the Bowen property (for the potential) together imply the existence of a unique equilibrium state. We consider…

Dynamical Systems · Mathematics 2015-01-22 Vaughn Climenhaga , Daniel J. Thompson

We consider a robust class of random non-uniformly expanding local homeomorphisms and H\"older continuous potentials with small variation. For each element of this class we develop the Thermodynamical Formalism and prove the existence and…

Dynamical Systems · Mathematics 2020-07-23 Rafael Bilbao , Vanessa Ramos

We study the Bowen topological entropy of generic and irregular points for certain dynamical systems. We define the topological entropy of noncompact sets for flows, analogous to Bowen's definition. We show that this entropy coincides with…

Dynamical Systems · Mathematics 2022-08-12 Maria Jose Pacifico , Diego Sanhueza

We study thermodynamic formalism for topologically transitive partially hyperbolic systems in which the center-stable bundle satisfies a bounded expansion property, and show that every potential function satisfying the Bowen property has a…

Dynamical Systems · Mathematics 2020-12-24 Vaughn Climenhaga , Yakov Pesin , Agnieszka Zelerowicz

We prove existence of finitely many ergodic equilibrium states for a large class of non-uniformly expanding local homeomorphisms on compact manifolds and Holder continuous potentials with not very large oscillation. No Markov structure is…

Dynamical Systems · Mathematics 2008-03-19 Paulo Varandas , Marcelo Viana

Equilibrium states for geodesic flows over closed rank 1 manifolds were studied recently by Burns, Climenhaga, Fisher and Thompson. For sufficiently regular potentials, it was shown that if the singular set does not carry full pressure then…

Dynamical Systems · Mathematics 2022-03-09 Benjamin Call , Daniel J. Thompson

We develop the specification and orbit-decomposition approach to equilibrium states for parabolic rational maps of the Riemann Sphere. Our result extends the well-known results on uniqueness of equilibrium states in this setting, notably…

Dynamical Systems · Mathematics 2026-03-25 Katelynn Huneycutt , Daniel J. Thompson

We obtain limit theorems (Stable Laws and Central Limit Theorems, both Gaussian and non-Gaussian) and thermodynamic properties for a class of non-uniformly hyperbolic flows: almost Anosov flows, constructed here. The proofs of the limit…

Dynamical Systems · Mathematics 2020-03-24 Henk Bruin , Dalia Terhesiu , Mike Todd

In this paper, we study dynamics of geodesic flows over closed surfaces of genus greater than or equal to 2 without focal points. Especially, we prove that there is a large class of potentials having unique equilibrium states, including…

Dynamical Systems · Mathematics 2018-08-03 Dong Chen , Lien-Yung Kao , Kiho Park

We investigate the thermodynamic formalism for Viana maps-skew products obtained by coupling an expanding circle map with a slightly perturbed quadratic family on the fibers. For every H\"older potential $\varphi$ whose oscillation is below…

Dynamical Systems · Mathematics 2026-03-05 Kecheng Li

Bowen showed that a continuous expansive map with specification has a unique measure of maximal entropy. We show that the conclusion remains true under weaker non-uniform versions of these hypotheses. To this end, we introduce the notions…

Dynamical Systems · Mathematics 2019-02-20 Vaughn Climenhaga , Daniel J. Thompson

We prove that for a wide family of non-uniformly hyperbolic maps and hyperbolic potentials we have equilibrium stability, i.e. the equilibrium states depend continuously on the dynamics and the potential. For this we deduce that the…

Dynamical Systems · Mathematics 2017-11-10 Jose F. Alves , Vanessa Ramos , Jaqueline Siqueira

We prove robustness and uniqueness of equilibrium states for a class of partially hyperbolic diffeomorphisms with dominated splittings and H\"older continuous potentials with not very large oscillation.

Dynamical Systems · Mathematics 2025-09-03 Qiao Liu , Jianxiang Liao

For a compact negatively curved space, we develop a thermodynamic formalism framework to study the space of quasimorphisms of its fundamental group modulo bounded functions. We prove that this space is Banach isomorphic to the space of…

Dynamical Systems · Mathematics 2026-03-31 Pablo D. Carrasco , Federico Rodriguez-Hertz
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