User Thigh High Crocs - Mathematics Stack Exchange

Thigh High Crocs

Member for 2 years, 11 months
Last seen more than a week ago

14 Questions

Score Activity Newest Views

7 votes

1 answer

99 views

Why do we care about flat and projective modules?

asked Jun 14, 2022 at 15:41

6 votes

1 answer

97 views

Why is $k[x,t]/(x^n-t)\simeq k[t]\oplus k[t]\cdot x\oplus\ldots\oplus k[t]\cdot x^{n-1}$ as $k[t]$-modules?

asked Jun 10, 2022 at 4:42

4 votes

1 answer

109 views

What do the elements of the chains of a simplicial complex represent?

asked May 20, 2022 at 22:39

3 votes

1 answer

160 views

Why do we restrict ourselves to continuous representations of galois groups?

asked Jun 8, 2022 at 5:08

2 votes

2 answers

124 views

$\text{Ext}(\mathbb{Z}[\frac{1}{p}]/\mathbb{Z},\mathbb{Z})\cong\mathbb{Z}_p$

asked Jun 1, 2022 at 2:49

2 votes

0 answers

202 views

Completeness of the Reals (Tarski's Theorem)

asked Jul 29, 2021 at 3:28

2 votes

0 answers

165 views

What are the prerequisites for studying Automorphic Representation Theory?

asked Aug 22, 2021 at 20:28

2 votes

0 answers

86 views

Prüfer Group as a p-adic quotient

asked May 8, 2022 at 20:26

1 vote

1 answer

108 views

$\mathbb{Z}_p\otimes_{\mathbb{Z}}\mathbb{Q}\cong\mathbb{Q}_p$ through colimit

asked Jun 1, 2022 at 3:47

1 vote

0 answers

160 views

I'm struggling to understand this isomorphism: $\mathbb{Z}_p^{\times}\simeq(\mathbb{Z}/p)^{\times}\times\mathbb{Z}_p$ [duplicate]

asked Jun 8, 2022 at 22:48

1 vote

0 answers

58 views

Points of a scheme

asked Jul 16, 2022 at 17:27

0 votes

1 answer

48 views

Functions over a discrete set of points

asked Aug 26, 2022 at 0:46

0 votes

0 answers

106 views

Inverse image of a prime ideal

asked Sep 27, 2022 at 1:28

-1 votes

1 answer

127 views

What is the theory for the quaternions? [closed]

asked Aug 20, 2021 at 17:14