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arXiv 2409.03098math.DGmath.AP
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曲线缩短流下模长的单调性

Monotonicity of the modulus under curve shortening flow

Arjun Sobnack, Peter M. Topping

AI总结:

研究了平面中两个嵌入的闭曲线在曲线缩短流下的模长单调性,证明其随时间递增,并推广到满足下曲率界的 ambient 表面。

摘要:

给定两个在平面中互不相交且嵌套的闭曲线,均在曲线缩短流下演化,我们证明所围成的环形区域的模长随时间单调递增。在满足下曲率界的 ambient 表面中,也有类似结果成立。

英文摘要:

Given two disjoint nested embedded closed curves in the plane, both evolving under curve shortening flow, we show that the modulus of the enclosed annulus is monotonically increasing in time. An analogous result holds within any ambient surface satisfying a lower curvature bound.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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