List questions from commutative-algebra

1.4k

Views

Why does the integral domain "being trapped between a finite field extension" implies that it is a field?

Published on 25 Mar 2019 - 4:19

315

Views

Question About Tensor Products over Different Base Rings

Published on 06 Apr 2026 - 17:30

440

Views

If the dual of a module is finitely generated and projective, can we claim that the module itself is?

Published on 25 Mar 2026 - 13:56

49

Views

Cokernel of Multiple Matrices

Published on 01 Apr 2026 - 22:43

378

Views

Submodules of modules of finite projective dimension over regular ring

Published on 05 Apr 2026 - 7:26

41

Views

Checking Nakayama's lemma for a specific example

Published on 30 Mar 2026 - 16:43

730

Views

Sheaf of Regular Functions and Localisation

Published on 25 Mar 2026 - 11:10

530

Views

Projective module vs. Free module: dual basis lemma

Published on 27 Mar 2026 - 4:34

97

Views

About lattice of finitely generated projective module

Published on 27 Mar 2026 - 2:59

111

Views

Is $A[[x_1,x_2,\dots]]$ flat over $A[x_1,x_2,\dots]$? ($A$ noetherian and commutative)

Published on 25 Mar 2026 - 16:02

75

Views

About Inner product space

Published on 27 Mar 2026 - 4:34

355

Views

Obtain an unit in the integral group ring $\mathbb{Z}[\mathbb{Z}/5\mathbb{Z}]$

Published on 06 Apr 2026 - 21:01

95

Views

About symmetric inner product space

Published on 27 Mar 2026 - 2:50

201

Views

Primary decomposition of powers of a monomial (edge) ideal in a three variable polynomial ring

Published on 26 Mar 2026 - 4:48

406

Views

The map of graded rings $k[w, x, y, z] \rightarrow k[s, t]$ induces a closed embedding $\mathbb{P}_k^1 \rightarrow \mathbb{P}_k^3$

Published on 25 Mar 2026 - 4:43

List Question

Why does the integral domain "being trapped between a finite field extension" implies that it is a field?

Question About Tensor Products over Different Base Rings

If the dual of a module is finitely generated and projective, can we claim that the module itself is?

Cokernel of Multiple Matrices

Submodules of modules of finite projective dimension over regular ring

Checking Nakayama's lemma for a specific example

Sheaf of Regular Functions and Localisation

Projective module vs. Free module: dual basis lemma

About lattice of finitely generated projective module

Is $A[[x_1,x_2,\dots]]$ flat over $A[x_1,x_2,\dots]$? ($A$ noetherian and commutative)

About Inner product space

Obtain an unit in the integral group ring $\mathbb{Z}[\mathbb{Z}/5\mathbb{Z}]$

About symmetric inner product space

Primary decomposition of powers of a monomial (edge) ideal in a three variable polynomial ring

The map of graded rings $k[w, x, y, z] \rightarrow k[s, t]$ induces a closed embedding $\mathbb{P}_k^1 \rightarrow \mathbb{P}_k^3$

Trending Questions

Popular # Hahtags

Popular Questions