Acta mathematica scientia,Series B ›› 2025, Vol. 45 ›› Issue (1): 215-227.doi: 10.1007/s10473-025-0117-7

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STABILITY OF THE ISOPERIMETRIC INEQUALITY IN HYPERBOLIC PLANE

Haizhong Li1, Yao Wan2   

  1. 1. Department of Mathematical Sciences, Tsinghua University, Beijing 100084, China;
    2. Department of Mathematics, The Chinese University of Hong Kong, Shatin, Hong Kong, China
  • Received:2024-09-04 Published:2025-02-06
  • About author:Haizhong Li, E-mail,: lihz@tsinghua.edu.cn; Yao Wan, E-mail,: yaowan@cuhk.edu.hk
  • Supported by:
    NSFC (12471047).

Abstract: In this paper, we establish a stability estimate for the isoperimetric inequality of horospherically convex domains in hyperbolic plane. This estimate involves a relationship between the Hausdorff distance to a geodesic ball and the deficit in the isoperimetric inequality, where the coefficient of the deficit is a universal constant.

Key words: stability, isoperimetric inequality, hyperbolic plane, Hausdorff distance

CLC Number: 

  • 52A55
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