Question

Generating function of $1 + x^k + x^{2k} +\cdots$

score 159 · Answer 1 · 2026-04-15 17:26:28

159

Views

Generating function of $1 + x^k + x^{2k} +\cdots$

Published on 15 Apr 2026 - 17:26

score 887 · Answer 2 · 2026-04-13 06:26:32

887

Views

Find a covering space of $T$ corresponding to the subgroup of $\mathbb{Z}\times\mathbb{Z}$ generated by the element $m\times 0$

Published on 13 Apr 2026 - 6:26

score 514 · Answer 3 · 2026-04-16 11:59:21

514

Views

Axioms of a Ring and a Simple Example (that confused me)

Published on 16 Apr 2026 - 11:59

score 245 · Answer 4 · 2026-04-11 05:19:16

245

Views

Represent all elements of a field in terms of a primitive element

Published on 11 Apr 2026 - 5:19

score 295 · Answer 5 · 2026-04-16 08:28:07

295

Views

Proof the Gauss lemma

Published on 16 Apr 2026 - 8:28

score 74 · Answer 6 · 2026-04-22 18:46:23

74

Views

Presentation of group $(\mathbb{Z}_p\times \mathbb{Z}_p )\rtimes \mathbb{Z}_p$ for odd prime $p.$

Published on 22 Apr 2026 - 18:46

score 479 · Answer 7 · 2026-04-14 16:59:01

479

Views

biquadratic extension over a field of characteristic 2

Published on 14 Apr 2026 - 16:59

score 37 · Answer 8 · 2026-04-11 03:19:37

37

Views

Symmetric interval on an integer ring $\mathbb{Z}_p$?

Published on 11 Apr 2026 - 3:19

score 264 · Answer 9 · 2026-04-17 18:06:45

264

Views

Matrices with given characteristic polynomial are similar iff the characteristic polynomial have no repeated roots

Published on 17 Apr 2026 - 18:06

score 420 · Answer 10 · 2026-04-29 12:32:09

420

Views

"Let $R$ be an integral domain. Assuming that the Division Algorithm holds in $R[x]$, prove that $R$ is a field."

Published on 29 Apr 2026 - 12:32

score 91 · Answer 11 · 2026-04-11 18:54:06

91

Views

Infinitesimal Ideal is in fact an Ideal

Published on 11 Apr 2026 - 18:54

score 339 · Answer 12 · 2026-04-17 01:26:03

339

Views

Existence of refinement of group (may be infinite) that has a composition series.

Published on 17 Apr 2026 - 1:26

score 601 · Answer 13 · 2026-04-07 18:38:20

601

Views

How to define the '*' operation in the ring

Published on 07 Apr 2026 - 18:38

score 284 · Answer 14 · 2026-04-29 12:46:41

284

Views

Proof by Chinese remainder theorem

Published on 29 Apr 2026 - 12:46

score 518 · Answer 15 · 2026-04-13 08:49:05

518

Views

Division of modified bessel of the second kind over the first kind

Published on 13 Apr 2026 - 8:49

List Question

Generating function of $1 + x^k + x^{2k} +\cdots$

Find a covering space of $T$ corresponding to the subgroup of $\mathbb{Z}\times\mathbb{Z}$ generated by the element $m\times 0$

Axioms of a Ring and a Simple Example (that confused me)

Represent all elements of a field in terms of a primitive element

Proof the Gauss lemma

Presentation of group $(\mathbb{Z}_p\times \mathbb{Z}_p )\rtimes \mathbb{Z}_p$ for odd prime $p.$

biquadratic extension over a field of characteristic 2

Symmetric interval on an integer ring $\mathbb{Z}_p$?

Matrices with given characteristic polynomial are similar iff the characteristic polynomial have no repeated roots

"Let $R$ be an integral domain. Assuming that the Division Algorithm holds in $R[x]$, prove that $R$ is a field."

Infinitesimal Ideal is in fact an Ideal

Existence of refinement of group (may be infinite) that has a composition series.

How to define the '*' operation in the ring

Proof by Chinese remainder theorem

Division of modified bessel of the second kind over the first kind

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