Question

Why the tensor algebra has the underlying ring as a direct summand?

score 31 · Answer 1 · 2026-04-14 21:29:53

31

Views

Why the tensor algebra has the underlying ring as a direct summand?

Published on 14 Apr 2026 - 21:29

score 61 · Answer 2 · 2026-04-14 14:54:30

61

Views

Let $p$ be a prime that does not divide $m$ and let $\omega$ be a primitive $m$th root of unity over$\mathbb{F}_p$.

Published on 14 Apr 2026 - 14:54

score 506 · Answer 3 · 2026-04-11 17:07:36

506

Views

Maximal ideal of a Ring-question

Published on 11 Apr 2026 - 17:07

score 2.2k · Answer 4 · 2026-04-12 08:50:31

2.2k

Views

Finding all subgroups of $\mathbb{Z_n}$

Published on 12 Apr 2026 - 8:50

score 512 · Answer 5 · 2026-04-12 18:32:27

512

Views

A finitely-generated ring over the integers modulo a max ideal is necessarily a finite field

Published on 12 Apr 2026 - 18:32

score 298 · Answer 6 · 2026-05-11 02:31:33

298

Views

If $D$ be a division ring and $D^$ be finitely generated group then $D^$ is abelian group?

Published on 11 May 2026 - 2:31

score 60 · Answer 7 · 2026-04-09 03:02:09

60

Views

Cosets of $\mathbb Z \times (\mathbb Z \setminus 3 \mathbb Z)$

Published on 09 Apr 2026 - 3:02

score 101 · Answer 8 · 2026-04-15 18:13:20

101

Views

Is this extension of $\mathbb{Q}$ normal?

Published on 15 Apr 2026 - 18:13

score 52 · Answer 9 · 2026-04-13 01:05:25

To prove that for any element a of a group G the center Z(G) is properly contain in the centraliser of a in the group G CG(a)

score 90 · Answer 10 · 2026-05-13 01:13:43

90

Views

Primitive idempotents of Cl(1,3) over the complex numbers

Published on 13 May 2026 - 1:13

score 27 · Answer 11 · 2026-04-11 07:12:34

27

Views

Does locally a summand imply summand?

Published on 11 Apr 2026 - 7:12

score 34 · Answer 12 · 2026-04-17 09:59:36

34

Views

Show that if F is a finite field, then $F^F=P_F$.

Published on 17 Apr 2026 - 9:59

score 47 · Answer 13 · 2026-04-16 14:50:03

47

Views

Let $G$ be a group and $m \in G$, $K$ be a subgroup and $m * m \in K$. Is it always true that $m \in K$?

Published on 16 Apr 2026 - 14:50

score 32 · Answer 14 · 2026-04-14 19:49:28

32

Views

Let $K$ be a subgroup of $\mathbb{Z}_n$. How do I prove that there exists $\bar{m} \in K$ such that $m\mid n$?

Published on 14 Apr 2026 - 19:49

score 110 · Answer 15 · 2026-04-22 06:14:10

110

Views

An equivalent definition for set equality using tautology

Published on 22 Apr 2026 - 6:14

List Question

Why the tensor algebra has the underlying ring as a direct summand?

Let $p$ be a prime that does not divide $m$ and let $\omega$ be a primitive $m$th root of unity over$\mathbb{F}_p$.

Maximal ideal of a Ring-question

Finding all subgroups of $\mathbb{Z_n}$

A finitely-generated ring over the integers modulo a max ideal is necessarily a finite field

If $D$ be a division ring and $D^$ be finitely generated group then $D^$ is abelian group?

Cosets of $\mathbb Z \times (\mathbb Z \setminus 3 \mathbb Z)$

Is this extension of $\mathbb{Q}$ normal?

To prove that for any element a of a group G the center Z(G) is properly contain in the centraliser of a in the group G CG(a)

Primitive idempotents of Cl(1,3) over the complex numbers

Does locally a summand imply summand?

Show that if F is a finite field, then $F^F=P_F$.

Let $G$ be a group and $m \in G$, $K$ be a subgroup and $m * m \in K$. Is it always true that $m \in K$?

Let $K$ be a subgroup of $\mathbb{Z}_n$. How do I prove that there exists $\bar{m} \in K$ such that $m\mid n$?

An equivalent definition for set equality using tautology

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