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Is there any name of a function who is continuous and its inverse function is also continuous?

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    a continuous bijection with continuous inverse is called a homeomorphism2011-03-30

3 Answers 3

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It is called a bicontinuous function.

Just look at the first sentence in the wikipedia entry for continuous function.

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    @Thales I'm sorry but I don't understand your comment.2011-03-30
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Yes. Such a function is a homeomorphism. See Wikipedia http://en.wikipedia.org/wiki/Homeomorphism

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That's called a homeomorphism.