Question

Localizations of $\mathbb{Z} / (30)$

score 154 · Answer 1 · 2026-04-11 21:55:54

154

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Localizations of $\mathbb{Z} / (30)$

Published on 11 Apr 2026 - 21:55

score 63 · Answer 2 · 2026-04-22 19:51:46

63

Views

Sum of representation categories

Published on 22 Apr 2026 - 19:51

score 2.5k · Answer 3 · 2026-04-13 17:42:44

2.5k

Views

Greatest Common Divisor of two Polynomials.

Published on 13 Apr 2026 - 17:42

score 225 · Answer 4 · 2026-04-08 23:54:46

225

Views

Question on definition of finitely generated $K$-algebra

Published on 08 Apr 2026 - 23:54

score 101 · Answer 5 · 2026-04-16 05:28:09

101

Views

Abstract Algebra: Let k be a field and let A be an n × n matrix with entries in K

Published on 16 Apr 2026 - 5:28

score 45 · Answer 6 · 2026-04-15 18:24:17

45

Views

Why is it that $\exists f_1,f_2\in M[f_1, f_2$ have no common factor]?

Published on 15 Apr 2026 - 18:24

score 165 · Answer 7 · 2026-04-14 06:22:57

165

Views

Abstract Algebra Question - Let k be a field and let A be an n x n matrix with entries in k...

Published on 14 Apr 2026 - 6:22

score 83 · Answer 8 · 2026-04-13 22:55:05

83

Views

$ya^n - by = 1$ has one solution, then $xa-bx = 1$ also has one solution

Published on 13 Apr 2026 - 22:55

score 358 · Answer 9 · 2026-04-16 02:41:11

358

Views

Prove that for isomorphism $\phi: G\to H$, if $K\leq G$, then $\phi (K)=\left \{ \phi(k):k\in K \right \}\leq H$.

Published on 16 Apr 2026 - 2:41

score 54 · Answer 10 · 2026-04-17 01:40:49

54

Views

Tensor product of multiplications

Published on 17 Apr 2026 - 1:40

score 675 · Answer 11 · 2026-04-16 11:00:01

675

Views

For isomorphism $\phi:G\to H$, show that $ab=ba$ for $a,b\in G$ iff $\phi(a)\phi(b)=\phi(b)\phi(a)$.

Published on 16 Apr 2026 - 11:00

score 131 · Answer 12 · 2026-04-11 22:07:21

131

Views

definition of singular endomorphism

Published on 11 Apr 2026 - 22:07

score 57 · Answer 13 · 2026-04-09 08:54:52

57

Views

Does equality of tensor over field of fractions imply equality when tensored over original domain?

Published on 09 Apr 2026 - 8:54

score 1.2k · Answer 14 · 2026-04-16 03:41:01

1.2k

Views

Prove that if $G$ is a cyclic group of order $n$, then $G$ is isomorphic to $\mathbb{Z}_{n}$.

Published on 16 Apr 2026 - 3:41

score 55 · Answer 15 · 2026-04-17 01:49:32

55

Views

Why Gröbner basis is complete

Published on 17 Apr 2026 - 1:49

List Question

Localizations of $\mathbb{Z} / (30)$

Sum of representation categories

Greatest Common Divisor of two Polynomials.

Question on definition of finitely generated $K$-algebra

Abstract Algebra: Let k be a field and let A be an n × n matrix with entries in K

Why is it that $\exists f_1,f_2\in M[f_1, f_2$ have no common factor]?

Abstract Algebra Question - Let k be a field and let A be an n x n matrix with entries in k...

$ya^n - by = 1$ has one solution, then $xa-bx = 1$ also has one solution

Prove that for isomorphism $\phi: G\to H$, if $K\leq G$, then $\phi (K)=\left \{ \phi(k):k\in K \right \}\leq H$.

Tensor product of multiplications

For isomorphism $\phi:G\to H$, show that $ab=ba$ for $a,b\in G$ iff $\phi(a)\phi(b)=\phi(b)\phi(a)$.

definition of singular endomorphism

Does equality of tensor over field of fractions imply equality when tensored over original domain?

Prove that if $G$ is a cyclic group of order $n$, then $G$ is isomorphic to $\mathbb{Z}_{n}$.

Why Gröbner basis is complete

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