A new uniform lower bound on Weil–Petersson distance

A new uniform lower bound on Weil–Petersson distance
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Weil-Petersson 距离的新统一下界

DOI:
10.1007/s00526-022-02254-z
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发表时间:
2020
影响因子:
2.1
通讯作者:
Yunhui Wu
Yunhui Wu
中科院分区:
数学2区
文献类型:
--
作者:
Yunhui Wu

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本文研究了沿着Weil-Petersson测地线上不动点处的内射半径。证明了在具有Weil-Petersson度量的Teichmüller空间上,基于不动点的内射半径的平方根为0.3884-Lipschitz.作为应用,我们重新证明了在具有Weil-Petersson度量的Teichmüller空间上收缩函数的平方根是一致Lipschitz的,其中Lipschitz常数可以取为0.5492.也将讨论大亏格的黎曼曲面的模空间在渐近几何中的应用。
In this paper we study the injectivity radius based at a fixed point along Weil–Petersson geodesics. We show that the square root of the injectivity radius based at a fixed point is 0.3884-Lipschitz on Teichmüller space endowed with the Weil–Petersson metric. As an application we reprove that the square root of the systole function is uniformly Lipschitz on Teichmüller space endowed with the Weil–Petersson metric, where the Lipschitz constant can be chosen to be 0.5492. Applications to asymptotic geometry of moduli space of Riemann surfaces for large genus will also be discussed.
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影响因子: 0.8
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DOI: 10.1515/crelle-2020-0005
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期刊: Journal für die reine und angewandte Mathematik
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