hairy ball theorem
Alternative form of Dretskean
(anthropology) A person who practises headhunting, the taking and preserving of a person's head after killing them. / One who recruits senior personnel for a company.
Psychological development that can be achieved when all basic and mental needs are fulfilled.
(mathematics) A theorem stating that there is no nonvanishing continuous tangent vector field on the sphere; colloquially, that you can't comb a hairy ball flat without creating a cowlick.
you can't comb a hairy ball flat without creating a cowlick
位相幾何のゼミで、教授は球面上に消えない連続的な接ベクトル場は存在しないという定理（毛の生えた球面の定理）を使って、連続的な接ベクトル場がどこかで零になる理由を説明しました。
アカウントを持っていませんか？ 新規登録
アカウントを持っていますか？ ログイン
DiQt（ディクト）
無料
★★★★★★★★★★
