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Ralph's user avatar
Ralph's user avatar
Ralph
  • Member for 13 years, 5 months
  • Last seen more than 9 years ago
5 votes
1 answer
326 views

Free left = free right ?

5 votes
0 answers
890 views

Height of maximal homogeneous ideals

5 votes
1 answer
199 views

Annulators for minimal primes in group cohomology

5 votes
2 answers
484 views

Sub-Hopf algebras of group algebras

5 votes
2 answers
656 views

On a corollary in Mitchell's book

4 votes
2 answers
762 views

Criteria for system of parameters in polynomial rings

4 votes
1 answer
258 views

L-series/density theorems for Dedekind domains

4 votes
0 answers
144 views

Is a *complete ring complete in the graded category ?

3 votes
1 answer
514 views

Metrizable implies hemicompact

3 votes
1 answer
532 views

1-boundaries of a CW-complex

3 votes
0 answers
187 views

The role of "minimal" minimal primes

3 votes
3 answers
1k views

Monomorphisms in functor categories

3 votes
0 answers
461 views

Krull dimension of non-integral extensions

1 vote
1 answer
391 views

Prime ideals in univariate polynomial rings

1 vote
1 answer
468 views

Fixed points of the Borel-Serre compactification

1 vote
0 answers
216 views

Loops in CW-complexes and the 2-skeleton

1 vote
0 answers
125 views

Maximizing ordered integer partitions

0 votes
1 answer
801 views

Non-zero diagonal through permutation of rows

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