Question

Diagonalizability of linear transformations in direct sums under quotienting

score 75 · Answer 1 · 2021-05-02 14:36:30

75

Views

Diagonalizability of linear transformations in direct sums under quotienting

Published on 02 May 2021 - 14:36

score 51 · Answer 2 · 2021-05-03 06:31:21

51

Views

Orbit space of usual action on n-cube $[0,1]^n$ by n-symmetric group $S_n$ is homeomorphic to topological n-simplex

Published on 03 May 2021 - 6:31

score 81 · Answer 3 · 2021-05-03 07:15:59

81

Views

Group actions on product varieties by diagonal

Published on 03 May 2021 - 7:15

score 134 · Answer 4 · 2021-05-03 17:25:12

134

Views

A non-reflexive Banach space with reflexive quotient space.

Published on 03 May 2021 - 17:25

score 793 · Answer 5 · 2026-03-25 20:42:15

793

Views

Prove that $\pi$ is a quotient map which is neither open nor closed

Published on 25 Mar 2026 - 20:42

score 47 · Answer 6 · 2026-03-26 03:00:34

47

Views

closed quotient maps and $T_{k}$ spaces with $k \in \{1,2,3\}$

Published on 26 Mar 2026 - 3:00

score 303 · Answer 7 · 2021-05-08 13:34:24

303

Views

Generators of an ideal in a polynomial ring

Published on 08 May 2021 - 13:34

score 45 · Answer 8 · 2026-03-27 04:17:32

45

Views

Show that $\phi$ is an isomorphism in this double quotient

Published on 27 Mar 2026 - 4:17

score 262 · Answer 9 · 2021-05-11 17:02:09

262

Views

Infinite dimensional real projective space as a quotient of an infinite dimensional unit sphere.

Published on 11 May 2021 - 17:02

score 439 · Answer 10 · 2021-05-11 21:49:21

439

Views

Heuristic for quotient topology: Is it really a gluing?

Published on 11 May 2021 - 21:49

score 171 · Answer 11 · 2021-05-13 10:35:21

171

Views

Prove that quotient topology $\mathbb{R}/{\sim}$ is the circle topology.

Published on 13 May 2021 - 10:35

score 1.1k · Answer 12 · 2021-05-14 06:09:29

1.1k

Views

Is $RP^2$ homeomorphic to Mobius Band quotient its boundary circle?

Published on 14 May 2021 - 6:09

score 74 · Answer 13 · 2021-05-14 17:17:48

74

Views

Question on inclusion of the lower horizontal map of a pushout diagram when the upper horizontal map is an inclusion.

Published on 14 May 2021 - 17:17

score 197 · Answer 14 · 2021-05-15 06:45:38

197

Views

Induced pushout of the cartesian product.

Published on 15 May 2021 - 6:45

score 21 · Answer 15 · 2026-03-27 14:03:14

21

Views

If $f: A \to B$ is a morphism with $f(I) \subset J \trianglelefteq B$, then there is $\tilde{f}: I/I^2 \to J/J^2$.

Published on 27 Mar 2026 - 14:03

List Question

Diagonalizability of linear transformations in direct sums under quotienting

Orbit space of usual action on n-cube $[0,1]^n$ by n-symmetric group $S_n$ is homeomorphic to topological n-simplex

Group actions on product varieties by diagonal

A non-reflexive Banach space with reflexive quotient space.

Prove that $\pi$ is a quotient map which is neither open nor closed

closed quotient maps and $T_{k}$ spaces with $k \in \{1,2,3\}$

Generators of an ideal in a polynomial ring

Show that $\phi$ is an isomorphism in this double quotient

Infinite dimensional real projective space as a quotient of an infinite dimensional unit sphere.

Heuristic for quotient topology: Is it really a gluing?

Prove that quotient topology $\mathbb{R}/{\sim}$ is the circle topology.

Is $RP^2$ homeomorphic to Mobius Band quotient its boundary circle?

Question on inclusion of the lower horizontal map of a pushout diagram when the upper horizontal map is an inclusion.

Induced pushout of the cartesian product.

If $f: A \to B$ is a morphism with $f(I) \subset J \trianglelefteq B$, then there is $\tilde{f}: I/I^2 \to J/J^2$.

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