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Local homeomorphism : ウィキペディア英語版 | Local homeomorphism In mathematics, more specifically topology, a local homeomorphism is intuitively a function, ''f'', between topological spaces that preserves local structure. ==Formal definition== Let ''X'' and ''Y'' be topological spaces. A function is a local homeomorphism if for every point ''x'' in ''X'' there exists an open set ''U'' containing ''x'', such that the image is open in ''Y'' and the restriction is a homeomorphism.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Local homeomorphism」の詳細全文を読む
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