The Uniqueness of Knieper Measure on Non-compact Rank 1 Manifolds of Non-positive Curvature

The Uniqueness of Knieper Measure on Non-compact Rank 1 Manifolds of Non-positive Curvature
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非紧曲率1阶流形Knieper测度的唯一性

DOI:
10.1007/s10114-021-0465-8
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发表时间:
2021-08
期刊:
Acta Mathematica Sinica. English Series
影响因子:
--
通讯作者:
Wang Fang
Wang Fang
中科院分区:
其他
文献类型:
--
作者:
Liu Fei;Wang Fang

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我们研究了非正曲率的非紧 1 阶流形上测地流的 Knieper 测度。我们在理想边界上构造了布斯曼密度,并证明如果在总质量有限的T~1M上存在克尼珀测度,则该克尼珀测度是唯一的,可达标量倍数。我们的结果部分扩展了Paulin-Pollicott-Shapira关于负弯曲非紧流形上的测地流有限吉布斯测度唯一性到非正曲率的非紧流形的工作。
We study the Knieper measures of the geodesic flows on non-compact rank 1 manifolds of non-positive curvature. We construct the Busemann density on the ideal boundary, and prove that if there is a Knieper measure on T~1M with finite total mass, then the Knieper measure is unique, up to a scalar multiple. Our result partially extends Paulin–Pollicott–Shapira's work on the uniqueness of finite Gibbs measure of geodesic flows on negatively curved non-compact manifolds to non-compact manifolds of non-positive curvature.
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