6

Questions

9
21
votes
1
answer
783
views

Non isomorphic finite rings with isomorphic additive and multiplicative structure

sep 2 11 at 23:38 Mark Sapir 28k257120

4
13
votes
4
answers
2k
views

Example of the completion of a noetherian domain at a prime that is not a domain

may 13 at 7:30 Sándor Kovács 23.8k25373

2
11
votes
1
answer
942
views

Do these conditions on a semigroup define a group?

jun 10 10 at 18:49 Arturo Magidin 2,72111225

5
9
votes
1
answer
2k
views

Characterizations of UFD and Euclidean domain by ideal-theoretic conditions

feb 15 10 at 19:38 Pete L. Clark 40k4103227

3
7
votes
1
answer
197
views

Varieties of groups with infinite relatively free group of rank 2 finite, infinite in rank 3

oct 21 11 at 20:01 Mark Sapir 28k257120

2
2
votes
1
answer
208
views

Is there a commutator-theoretic criterion for supersolvability of a group?

oct 11 10 at 3:18 Mark Sapir 28k257120