Question

Infinite direct sum of quotient modules

score 175 · Answer 1 · 2020-06-05 12:35:44

175

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Infinite direct sum of quotient modules

Published on 05 Jun 2020 - 12:35

score 109 · Answer 2 · 2026-03-27 12:42:58

109

Views

$M$ is a coherent left $R$-module implies $M/IM$ is a coherent $R/I$-module.

Published on 27 Mar 2026 - 12:42

score 178 · Answer 3 · 2026-02-23 08:42:19

178

Views

Hatcher Theorem 2.13 - is the subspace $X$ of its cone $CX$ a deformation retract of some neighborhood in $CX$?

Published on 23 Feb 2026 - 8:42

score 1.3k · Answer 4 · 2026-03-25 21:01:25

1.3k

Views

Isomorphism by restricting surjective linear mapping between finite dimensional spaces, and quotient space by null space

Published on 25 Mar 2026 - 21:01

score 49 · Answer 5 · 2026-03-25 20:36:02

49

Views

Non-trivial homomorphism from $\mathbb{Z}[x]/\langle x^n-1 \rangle$ to $\mathbb{Z}_m[x]/\langle x^n+1 \rangle$?

Published on 25 Mar 2026 - 20:36

score 33 · Answer 6 · 2026-03-25 20:22:59

33

Views

How to find the correct quotient ring $\mathbb{Z}[x]/p(x)$ (similar to $\mathbb{Z}[x]/(x^n-1)$)?

Published on 25 Mar 2026 - 20:22

score 365 · Answer 7 · 2020-06-18 16:44:51

365

Views

Orbit Space of Action of $SO(n)$ on $\mathbb{E}^n$

Published on 18 Jun 2020 - 16:44

score 51 · Answer 8 · 2020-06-19 19:45:29

51

Views

Quotients of submodules of direct sums

Published on 19 Jun 2020 - 19:45

score 233 · Answer 9 · 2020-06-21 13:59:16

233

Views

Folland Real Analysis Exercise 5.15 - A unique linear tranformation $S$ such that $T = S \circ \pi$ where $\pi$ is the projection onto $X/N(T)$

Published on 21 Jun 2020 - 13:59

score 714 · Answer 10 · 2020-06-21 20:51:25

714

Views

$D^n/S^{n-1} \cong S^n$

Published on 21 Jun 2020 - 20:51

score 99 · Answer 11 · 2020-06-22 11:08:06

99

Views

Dimensions of quotient rings and zeroes of ideals

Published on 22 Jun 2020 - 11:08

score 65 · Answer 12 · 2026-03-25 21:01:23

65

Views

Identifiying a topological space given by a quotient

Published on 25 Mar 2026 - 21:01

score 655 · Answer 13 · 2020-06-24 01:05:18

655

Views

Does the quotient map induce a continuous map

Published on 24 Jun 2020 - 1:05

score 172 · Answer 14 · 2026-03-21 20:25:01

172

Views

What is the quotient of the absolute value metric in $\Bbb Z[\frac16]^+/\langle2,3\rangle$?

Published on 21 Mar 2026 - 20:25

score 253 · Answer 15 · 2026-03-25 09:10:02

253

Views

Quotient by a topological groupoid.

Published on 25 Mar 2026 - 9:10

List Question

Infinite direct sum of quotient modules

$M$ is a coherent left $R$-module implies $M/IM$ is a coherent $R/I$-module.

Hatcher Theorem 2.13 - is the subspace $X$ of its cone $CX$ a deformation retract of some neighborhood in $CX$?

Isomorphism by restricting surjective linear mapping between finite dimensional spaces, and quotient space by null space

Non-trivial homomorphism from $\mathbb{Z}[x]/\langle x^n-1 \rangle$ to $\mathbb{Z}_m[x]/\langle x^n+1 \rangle$?

How to find the correct quotient ring $\mathbb{Z}[x]/p(x)$ (similar to $\mathbb{Z}[x]/(x^n-1)$)?

Orbit Space of Action of $SO(n)$ on $\mathbb{E}^n$

Quotients of submodules of direct sums

Folland Real Analysis Exercise 5.15 - A unique linear tranformation $S$ such that $T = S \circ \pi$ where $\pi$ is the projection onto $X/N(T)$

$D^n/S^{n-1} \cong S^n$

Dimensions of quotient rings and zeroes of ideals

Identifiying a topological space given by a quotient

Does the quotient map induce a continuous map

What is the quotient of the absolute value metric in $\Bbb Z[\frac16]^+/\langle2,3\rangle$?

Quotient by a topological groupoid.

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