Question

How do I translate functions on the Prufer 2-group between functions on the $2^n$ roots of unity and the dyadic fractions modulo 1?

score 133 · Answer 1 · 2026-04-09 00:08:19

133

Views

How do I translate functions on the Prufer 2-group between functions on the $2^n$ roots of unity and the dyadic fractions modulo 1?

Published on 09 Apr 2026 - 0:08

score 231 · Answer 2 · 2026-04-09 05:28:36

231

Views

Why does the product in a group ring have finite support?

Published on 09 Apr 2026 - 5:28

score 150 · Answer 3 · 2018-01-18 13:14:16

150

Views

Relation between Order of element and nature of group

Published on 18 Jan 2018 - 13:14

score 48 · Answer 4 · 2026-04-08 20:50:39

48

Views

how to reduce $(1-\alpha)^{T-i}$ into a sum

Published on 08 Apr 2026 - 20:50

score 37 · Answer 5 · 2026-04-10 10:39:43

37

Views

linear dependency in a system

Published on 10 Apr 2026 - 10:39

score 50 · Answer 6 · 2026-04-08 22:41:43

50

Views

Tensor modules of tensor algebras

Published on 08 Apr 2026 - 22:41

score 345 · Answer 7 · 2026-04-09 04:56:11

345

Views

Are there any interesting examples of functions on Abelian groups that are not homomorphisms?

Published on 09 Apr 2026 - 4:56

score 191 · Answer 8 · 2026-04-10 10:40:06

191

Views

A variation of the argument to prove that $\{m/n:n \text{ is odd },n,m \in \mathbb{Z}\}$ is a PID

Published on 10 Apr 2026 - 10:40

score 176 · Answer 9 · 2026-04-01 01:47:25

176

Views

The roots after constructing an extension field by Kronecker's theorem

Published on 01 Apr 2026 - 1:47

score 265 · Answer 10 · 2026-04-09 00:04:29

265

Views

Embedding from Rational Numbers to Ordered Field is Order Preserving

Published on 09 Apr 2026 - 0:04

score 81 · Answer 11 · 2026-04-08 22:32:21

81

Views

splitting field of $X^{4} -42$ over $\mathbb{Q}$

Published on 08 Apr 2026 - 22:32

score 404 · Answer 12 · 2026-03-24 22:08:40

404

Views

Every locally closed irreducible subset $Z$ of $X:=\text{Spec}A$ contains a unique generic point.

Published on 24 Mar 2026 - 22:08

score 45 · Answer 13 · 2026-04-11 02:44:25

45

Views

abstract algebra, number theory, modular arithmetic

Published on 11 Apr 2026 - 2:44

score 2.9k · Answer 14 · 2026-04-09 11:56:59

2.9k

Views

$\mathbb{Z}[i] / (2+3i)$ has 13 elements

Published on 09 Apr 2026 - 11:56

score 330 · Answer 15 · 2026-04-10 16:29:36

330

Views

Bilinear product of two non-zero vectors is non-zero?

Published on 10 Apr 2026 - 16:29

List Question

How do I translate functions on the Prufer 2-group between functions on the $2^n$ roots of unity and the dyadic fractions modulo 1?

Why does the product in a group ring have finite support?

Relation between Order of element and nature of group

how to reduce $(1-\alpha)^{T-i}$ into a sum

linear dependency in a system

Tensor modules of tensor algebras

Are there any interesting examples of functions on Abelian groups that are not homomorphisms?

A variation of the argument to prove that $\{m/n:n \text{ is odd },n,m \in \mathbb{Z}\}$ is a PID

The roots after constructing an extension field by Kronecker's theorem

Embedding from Rational Numbers to Ordered Field is Order Preserving

splitting field of $X^{4} -42$ over $\mathbb{Q}$

Every locally closed irreducible subset $Z$ of $X:=\text{Spec}A$ contains a unique generic point.

abstract algebra, number theory, modular arithmetic

$\mathbb{Z}[i] / (2+3i)$ has 13 elements

Bilinear product of two non-zero vectors is non-zero?

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