Question

There exists no ideal $I$ such that $M^2 \subset I\subset M$ for $M$ a principal maximal ideal

score 832 · Answer 1 · 2026-03-29 03:35:56

832

Views

There exists no ideal $I$ such that $M^2 \subset I\subset M$ for $M$ a principal maximal ideal

Published on 29 Mar 2026 - 3:35

score 71 · Answer 2 · 2026-03-28 02:42:03

71

Views

Koszul complex via alternating functions

Published on 28 Mar 2026 - 2:42

score 74 · Answer 3 · 2026-03-29 03:12:19

74

Views

$I + J = A$ if, and only if, $\sqrt{I} + \sqrt{J} = A$

Published on 29 Mar 2026 - 3:12

score 96 · Answer 4 · 2026-03-25 01:41:16

96

Views

If $R^n$ is generated by $\{e_1, \cdots e_m\}$ as an $R$-module, then $n\leq m$

Published on 25 Mar 2026 - 1:41

score 89 · Answer 5 · 2026-03-25 04:43:31

89

Views

Contraction of an ideal in the polynomial ring over the fraction field of a UFD

Published on 25 Mar 2026 - 4:43

score 555 · Answer 6 · 2026-03-25 18:51:10

555

Views

Zero set of non-constant polynomial , in more than one variable, over uncountable algebraically closed field

Published on 25 Mar 2026 - 18:51

score 351 · Answer 7 · 2026-03-25 14:19:27

351

Views

Descent datum for a module

Published on 25 Mar 2026 - 14:19

score 31 · Answer 8 · 2026-03-30 05:15:29

31

Views

Looking for an example of a local homomorphism between regular and CM rings

Published on 30 Mar 2026 - 5:15

score 131 · Answer 9 · 2018-07-30 17:24:01

131

Views

A question about the statement of the Prime Avoidance Lemma.

Published on 30 Jul 2018 - 17:24

score 57 · Answer 10 · 2018-07-30 20:21:17

57

Views

Failure of Artin Approximation for non excellent schemes

Published on 30 Jul 2018 - 20:21

score 123 · Answer 11 · 2018-07-30 20:37:29

123

Views

Question about a Variety as a Representable Functor

Published on 30 Jul 2018 - 20:37

score 174 · Answer 12 · 2026-03-25 06:09:59

174

Views

Finite maps and jacobian condition

Published on 25 Mar 2026 - 6:09

score 55 · Answer 13 · 2026-03-29 03:27:11

55

Views

If a principal ideal is a multiple of another ideal, is it necessarily a principal multiple?

Published on 29 Mar 2026 - 3:27

score 365 · Answer 14 · 2026-03-26 13:37:14

365

Views

What is a free module

Published on 26 Mar 2026 - 13:37

score 109 · Answer 15 · 2026-03-25 01:37:47

109

Views

Grassmannian as a functor and the rank of a projective module.

Published on 25 Mar 2026 - 1:37

List Question

There exists no ideal $I$ such that $M^2 \subset I\subset M$ for $M$ a principal maximal ideal

Koszul complex via alternating functions

$I + J = A$ if, and only if, $\sqrt{I} + \sqrt{J} = A$

If $R^n$ is generated by $\{e_1, \cdots e_m\}$ as an $R$-module, then $n\leq m$

Contraction of an ideal in the polynomial ring over the fraction field of a UFD

Zero set of non-constant polynomial , in more than one variable, over uncountable algebraically closed field

Descent datum for a module

Looking for an example of a local homomorphism between regular and CM rings

A question about the statement of the Prime Avoidance Lemma.

Failure of Artin Approximation for non excellent schemes

Question about a Variety as a Representable Functor

Finite maps and jacobian condition

If a principal ideal is a multiple of another ideal, is it necessarily a principal multiple?

What is a free module

Grassmannian as a functor and the rank of a projective module.

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