messi's user avatar
messi's user avatar
messi's user avatar
messi
  • Member for 11 years
  • Last seen more than 10 years ago
14 votes
1 answer
736 views

Modules over Completion

13 votes
1 answer
413 views

How does Local Cohomology detect UFD?

11 votes
0 answers
953 views

Description of $\mathrm{Ext}^1(R/I,R/J)$

10 votes
2 answers
1k views

Intuition behind Direct limits

9 votes
1 answer
4k views

When a quotient of a UFD is also a UFD?

7 votes
1 answer
294 views

Is $\operatorname{Tor}_i(M,N)$ of finite length?

6 votes
1 answer
733 views

Associated Primes of Tensor Product

6 votes
1 answer
514 views

Suppose all the Associated Primes are Minimal.

6 votes
1 answer
290 views

Primary decomposition of power of a prime.

5 votes
1 answer
396 views

Spectral Sequence involving "Triple Tor"

5 votes
2 answers
667 views

Smith Normal Form for PIDs

3 votes
2 answers
462 views

Local rank and direct sum decomposition

3 votes
1 answer
130 views

Non vanishing of group cohomology

3 votes
1 answer
279 views

Union of Associated Primes being finite.

3 votes
1 answer
115 views

$H_{I}^{n}(M)\cong H_{I}^{n}(R)\otimes_R M.$

3 votes
1 answer
152 views

Finite generation of Hom between cyclic and artinian module

2 votes
1 answer
312 views

Finitely Generated Modules over Quotient of a DVR.

2 votes
1 answer
143 views

All local cohomology modules being zero

2 votes
0 answers
120 views

Support of a direct sum of local cohomology modules

2 votes
1 answer
267 views

For $R$-modules $M,N$, what are sufficient conditions for $\operatorname{Supp}(M\otimes_R N)\subseteq \operatorname{Supp}(\operatorname{Hom}_R(M,N))$?

2 votes
1 answer
52 views

Inequalities among heights

2 votes
1 answer
113 views

Injective dimension is locally finite but not globally

1 vote
2 answers
1k views

Cokernel of a Composition.

0 votes
1 answer
283 views

Are the minimal primes of the same height