Variational principle for weighted topological pressure

Variational principle for weighted topological pressure
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加权拓扑压力的变分原理

DOI:
10.1016/j.matpur.2016.02.016
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发表时间:
2014-11
期刊:
J. Math. Pures Appl.
影响因子:
--
通讯作者:
Huang Wen
Huang Wen
中科院分区:
其他
文献类型:
--
作者:
Feng De-Jun;Huang Wen

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设(X,T)和(Y,S)是两个拓扑动力系统,π:X→ Y是一个因子映射。设a=(a1,a2)∈ R2,其中a1> 0,a2 ≥ 0,f∈ C(X).定义了f的a-加权拓扑压,记作Pa(X,f),作为经典拓扑压的推广.在这种方法中,我们使用a-加权Bowen球来代替经典定义中的Bowen球。我们证明了如下变分原理:Pa(X,f)= supf {a1 h μ(T)+a2 h μ π− 1(S)+supf d μ},其中上确界取在X上的T-不变测度上.它不仅推广了经典拓扑压的变分原理,而且提供了仿射对角自同态下环面T2上不变集和不变测度的维数理论的拓扑推广.一个更高的维度版本的结果也成立。
Abstract Let (X, T) and (Y, S) be two topological dynamical systems, and π: X→ Y a factor map. Let a=(a 1, a 2)∈ R 2 with a 1> 0 and a 2≥ 0, and f∈ C (X). We define the a-weighted topological pressure of f, denoted by P a (X, f), as an extension of the classical topological pressure. In this approach, we use the a-weighted Bowen balls to substitute the Bowen balls in the classical definition. We prove the following variational principle: P a (X, f)= sup⁡{a 1 h μ (T)+ a 2 h μ∘ π− 1 (S)+∫ f d μ}, where the supremum is taken over the T-invariant measures on X. It not only generalizes the variational principle of classical topological pressure, but also provides a topological extension of dimension theory of invariant sets and measures on the torus T 2 under affine diagonal endomorphisms. A higher dimensional version of the result is also established.
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