Compact Finsler manifolds without focal points

被引:1
|
作者
Kim, Chang-Wan [1 ]
机构
[1] Korea Adv Inst Sci & Technol, Dept Math Sci, Taejon 305701, South Korea
基金
新加坡国家研究基金会;
关键词
Finsler torus; Focal points; Volume entropy; Mane's conjecture; CONJUGATE-POINTS;
D O I
10.1007/s00013-012-0435-6
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
In this short note we prove that any Finsler torus without focal points is flat. Our method is based on comparison techniques on an associated Riccati equation and Birkhoff's Ergodic theorem applied to the geodesic flow on the unit tangent bundle.
引用
收藏
页码:387 / 392
页数:6
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