List questions from open-map

Published on 25 Oct 2020 - 10:55

142

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Polynomials and open maps

Published on 30 Oct 2020 - 13:54

203

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$X$ is complete and $T$ is an onto open map, then $Y$ is complete

Published on 07 Nov 2020 - 11:57

446

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Open, discontinuous function from $\mathbb{R}$ to $\mathbb{R}$

Published on 08 Nov 2020 - 7:34

35

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Which of the statements are true about the set $E \subseteq \Bbb R^3\ $?

Published on 16 Nov 2020 - 16:02

98

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What's wrong with my proof ??

Published on 24 Nov 2020 - 11:47

123

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Example of a bijective continuous map between Banach spaces whose inverse is not continuous

Published on 13 Dec 2020 - 7:36

28

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Homemorphic spaces.

Published on 26 Mar 2026 - 2:52

28

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Conjecture on openness of an analytic mapping

Published on 13 Jan 2021 - 10:00

136

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show Open Mapping Theorem using Banach Isomorphism Theorem

Published on 14 Jan 2021 - 15:56

214

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In Euclidean Neighborhood Retracts, the neighborhood have the $\mathbb{R}^n$ topology?

Published on 23 Feb 2026 - 13:46

282

Views

show Banach Isomorphism theorem using Closed Graph theorem

Published on 15 Jan 2021 - 18:32

57

Views

open map between smooth manifolds

Published on 18 Jan 2021 - 15:31

141

Views

about embedding or proper embedding

Published on 18 Jan 2021 - 16:46

26

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How to prove the continuity of the following Homeomorphism?

Published on 05 Feb 2021 - 16:14

List Question

Showing that a set is open in the strong topology induced by a family of functions

Polynomials and open maps

$X$ is complete and $T$ is an onto open map, then $Y$ is complete

Open, discontinuous function from $\mathbb{R}$ to $\mathbb{R}$

Which of the statements are true about the set $E \subseteq \Bbb R^3\ $?

What's wrong with my proof ??

Example of a bijective continuous map between Banach spaces whose inverse is not continuous

Homemorphic spaces.

Conjecture on openness of an analytic mapping

show Open Mapping Theorem using Banach Isomorphism Theorem

In Euclidean Neighborhood Retracts, the neighborhood have the $\mathbb{R}^n$ topology?

show Banach Isomorphism theorem using Closed Graph theorem

open map between smooth manifolds

about embedding or proper embedding

How to prove the continuity of the following Homeomorphism?

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