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Existence of curves with constant geodesic curvature in a Riemannian 2-sphere
Transactions of the American Mathematical Society ( IF 1.3 ) Pub Date : 2021-09-16 , DOI: 10.1090/tran/8510 Da Rong Cheng , Xin Zhou
Transactions of the American Mathematical Society ( IF 1.3 ) Pub Date : 2021-09-16 , DOI: 10.1090/tran/8510 Da Rong Cheng , Xin Zhou
Abstract:We prove the existence of immersed closed curves of constant geodesic curvature in an arbitrary Riemannian 2-sphere for almost every prescribed curvature. To achieve this, we develop a min-max scheme for a weighted length functional.
中文翻译:
黎曼 2 球体中具有恒定测地曲率的曲线的存在性
摘要:我们证明了在任意黎曼 2 球体中,对于几乎所有规定的曲率,都存在恒定测地曲率的浸没闭合曲线。为了实现这一点,我们为加权长度泛函开发了一个最小-最大方案。
更新日期:2021-11-09
中文翻译:
黎曼 2 球体中具有恒定测地曲率的曲线的存在性
摘要:我们证明了在任意黎曼 2 球体中,对于几乎所有规定的曲率,都存在恒定测地曲率的浸没闭合曲线。为了实现这一点,我们为加权长度泛函开发了一个最小-最大方案。