List questions from quotient-spaces

Published on 29 Mar 2026 - 3:12

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Differences between a quotient map and a continuous function in topology

Published on 16 Jun 2015 - 12:47

119

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Is a compact subset of a topological group G/N closed if G is hausdorff?

Published on 26 Mar 2026 - 12:37

69

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The topology on $X / G$ where $G$ acts on $X$

Published on 18 Jun 2015 - 22:55

25

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$U$ takes the same value on $\pi$ then $U$ is saturated

Published on 20 Jun 2015 - 22:23

889

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Continuos, surjective map $\pi$ is a quotient map $\iff$ $\pi$ sends saturated open to open or saturated closed to closed

Published on 20 Jun 2015 - 23:54

347

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Isometry between $X^\ast/M^\perp$ and $M^\ast$.

Published on 28 Mar 2026 - 8:49

289

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Number of vectors over a finite field that are linearily independent to a subspace

Published on 29 Jun 2015 - 14:54

57

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Characterizing the A-module M/S

Published on 01 Jul 2015 - 5:49

1.3k

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Is the orbit map for a group action closed in this case?

Published on 25 Mar 2026 - 17:43

209

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Application of the structure theorem for finitely generated modules over a PID

Published on 04 Jul 2015 - 4:36

1.2k

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Homeomorphism between $S^2$ and $CP^1$ via uniqueness of quotient

Published on 28 Mar 2026 - 7:57

1k

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Dimension and basis of a quotient space

Published on 05 Jul 2015 - 16:25

201

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Lifting idempotents from a quotient of a Banach algebra

Published on 28 Mar 2026 - 22:55

1.5k

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Question on proving quotient space is homeomorphic to circle

Published on 08 Jul 2015 - 5:29

List Question

Dimension of a certain $L^p$ quotient space.

Differences between a quotient map and a continuous function in topology

Is a compact subset of a topological group G/N closed if G is hausdorff?

The topology on $X / G$ where $G$ acts on $X$

$U$ takes the same value on $\pi$ then $U$ is saturated

Continuos, surjective map $\pi$ is a quotient map $\iff$ $\pi$ sends saturated open to open or saturated closed to closed

Isometry between $X^\ast/M^\perp$ and $M^\ast$.

Number of vectors over a finite field that are linearily independent to a subspace

Characterizing the A-module M/S

Is the orbit map for a group action closed in this case?

Application of the structure theorem for finitely generated modules over a PID

Homeomorphism between $S^2$ and $CP^1$ via uniqueness of quotient

Dimension and basis of a quotient space

Lifting idempotents from a quotient of a Banach algebra

Question on proving quotient space is homeomorphic to circle

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