每个黎曼球面上都有无穷多条闭测地线像

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OpenAI论文 / 几何与拓扑 · 2026-09-24

每个黎曼球面上都有无穷多条闭测地线像

Infinitely many closed geodesic images on every Riemannian sphere

OpenAI 数学仓库收录的研究手稿。展开查看英文摘要,或标记后让我进一步解释。

具体内容

稿件研究闭测地线无穷性问题的球面情形。作者声称,标准球面 S^n(n≥2)上每个光滑黎曼度量都有无穷多条素闭测地线,且像两两不同;二维球面情形属经典结果,高维结果涵盖退化度量。摘要还表示,借助有限覆盖及 Perelman、Rademacher–Taimanov 的定理,对任意非空闭光滑三维流形上的每个光滑黎曼度量也得到相同结论。该工作若成立,将把闭测地线无穷性推广到高维球面与三维流形。

AI 产生的研究手稿;收录不表示已完成独立审查或同行评议。

英文原始摘要

We resolve the sphere case of the closed-geodesic infinitude problem: every smooth Riemannian metric on the standard sphere Sn, n ≥ 2, has infinitely many prime closed geodesics with pairwise distinct images. The two-sphere case is classical; the result in higher dimensions includes degenerate metrics. Using finite covers and theorems of Perelman and Rademacher–Taimanov, we also obtain the same conclusion for every smooth Riemannian metric on a nonempty closed smooth three-manifold.

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