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Almgren's Three-Legged Starfish

Almgren's Three-Legged Starfish

来源:Arxiv_logoArxiv
英文摘要

In this note we use classical tools from min-max and hyperbolic geometry to substantiate a folklore example in Almgren--Pitts min-max theory, the three-legged starfish metric on a 2-sphere, whose systolic length, Almgren--Pitts width, and Gromov--Guth width are attained by ``figure-eight'' geodesics. We also recover a hyperbolic geometry fact about ``figure-eight'' geodesics using min-max.

数学

.Almgren's Three-Legged Starfish[EB/OL].(2025-04-29)[2025-05-11].https://arxiv.org/abs/2504.20895.点此复制

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