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arXiv 1503.00768math.GTmath.DG
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Weil-Petersson度量的等界性

Equiboundedness of the Weil-Petersson metric

Scott A. Wolpert

摘要:

在Teichmüller空间和模空间中,得到了$2$维常负曲率方程解的导数和Weil-Petersson度量的一致界.的依赖关系的边界上的几何基础的黎曼曲面进行了研究。分析了调和Beltrami微分的$C^0$、$C^{2,α}$和$L^2$范数之间的比较.给出了Weil-Petersson曲率张量的共变导数的一致界,该界是根据基本Riemann曲面的收缩和微分方向在{ \it pinching方向}上的投影给出的.主要分析结合Schauder和位势论估计与分析隐函数定理。

英文摘要:

Uniform bounds are developed for derivatives of solutions of the $2$-dimensional constant negative curvature equation and the Weil-Petersson metric for the Teichmüller and moduli spaces. The dependence of the bounds on the geometry of the underlying Riemann surface is studied. The comparisons between the $C^0$, $C^{2,α}$ and $L^2$ norms for harmonic Beltrami differentials are analyzed. Uniform bounds are given for the covariant derivatives of the Weil-Petersson curvature tensor in terms of the systoles of the underlying Riemann surfaces and the projections of the differentiation directions onto {\it pinching directions}. The main analysis combines Schauder and potential theory estimates with the analytic implicit function theorem.

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