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单词 InverseFunctionTheoremtopologicalSpaces
释义

inverse function theorem (topological spaces)


Let X and Y be topological spacesMathworldPlanetmath, with X compactPlanetmathPlanetmath and Y HausdorffPlanetmathPlanetmath. Suppose f:XY is a continuousPlanetmathPlanetmath bijection. Then f is a homeomorphismPlanetmathPlanetmath, i.e. f-1 is continuous.

Note if Y is a metric space, then it is Hausdorff, and the theorem holds.

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更新时间:2025/5/4 20:46:58