Homeomorphism - Homeomorphism

Japanese: 位相同型 - いそうどうけい
Homeomorphism - Homeomorphism

…Even if a continuous map f : XY gives a one-to-one correspondence, the inverse map f -1 : YX is not necessarily a continuous map. When f -1 is also continuous, f is called a homeomorphism (topological map), and when such an f exists, X and Y are said to be homeomorphic (topological). [Minoru Nakaoka]. …

*Some of the terminology explanations that mention "homeomorphism" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…連続写像fXYが1対1対応を与えても,逆写像f-1YXは連続写像とは限らない。f-1も連続であるときfを同相写像(位相写像)といい,このようなfが存在するときXYは同相(位相同型)であるという。【中岡 稔】。…

※「位相同型」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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