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THERMODYNAMICS OF TOWERS OF HYPERBOLIC TYPE

机译:双曲线型塔的热力学

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We introduce a class of continuous maps f of a compact topological space X admitting inducing schemes of hyperbolic type and describe the associated tower constructions. We then establish a thermodynamic formalism, i.e., we describe a class of real-valued potential functions phi on X such that f possesses a unique equilibrium measure mu(phi), associated to each phi, which minimizes the free energy among the measures that are liftable to the tower. We also describe some ergodic properties of equilibrium measures including decay of correlations and the Central Limit Theorem. We then study the liftability problem and show that under some additional assumptions on the inducing scheme every measure that charges the base of the tower and has sufficiently large entropy is liftable. Our results extend those obtained in previous works of the first and second authors for inducing schemes of expanding types and apply to certain multidimensional maps. Applications include obtaining the thermodynamic formalism for Young's diffeomorphisms, the Henon family at the first bifurcation and the Katok map. In particular, we obtain the exponential decay of correlations for equilibrium measures associated to the geometric potentials with t(0) < t < 1 for some t(0) < 0.
机译:我们介绍了一个紧凑的拓扑空间X的一类连续图f,该图允许双曲线型的诱导方案,并描述了相关的塔式结构。然后,我们建立一个热力学形式主义,即,我们在X上描述了一类实值势函数phi,使得f拥有与每个phi相关的唯一的平衡度量mu(phi),该平衡度量最小化了在可升降至塔楼。我们还描述了平衡测度的遍历属性,包括相关性的衰减和中心极限定理。然后,我们研究了可举性问题,并表明,在归纳方案的一些附加假设下,对塔基充电并具有足够大的熵的每种措施都是可举的。我们的结果扩展了第一和第二作者先前的工作中获得的用于扩展类型的归纳方案的结果,并适用于某些多维地图。应用包括获得用于杨氏微分形的热力学形式论,第一次分叉处的Henon族和Katok图。特别是,对于某些t(0)<0,我们获得了与t(0)

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