最終更新日：2024/07/31

A manifold (of any dimension) homeomorphic to a sphere but not diffeomorphic to the standard sphere.

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exotic sphere

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元となった辞書の項目

exotic sphere

noun

A manifold (of any dimension) homeomorphic to a sphere but not diffeomorphic to the standard sphere.

The exotic sphere is a mathematical concept that has unique properties.

意味（1）

A manifold (of any dimension) homeomorphic to a sphere but not diffeomorphic to the standard sphere.