6

Questions
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4
13
votes
4
answers
2k
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Example of the completion of a noetherian domain at a prime that is not a domain

may 13 at 7:30 Sándor Kovács 23.8k●2●53●73

3
7
votes
1
answer
194
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Varieties of groups with infinite relatively free group of rank 2 finite, infinite in rank 3

oct 21 11 at 20:01 Mark Sapir 27.7k●2●57●118

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21
votes
1
answer
776
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Non isomorphic finite rings with isomorphic additive and multiplicative structure

sep 2 11 at 23:38 Mark Sapir 27.7k●2●57●118

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2
votes
1
answer
206
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Is there a commutator-theoretic criterion for supersolvability of a group?

oct 11 10 at 3:18 Mark Sapir 27.7k●2●57●118

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11
votes
1
answer
937
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Do these conditions on a semigroup define a group?

jun 10 10 at 18:49 Arturo Magidin 2,691●1●12●25

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9
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1
answer
2k
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Characterizations of UFD and Euclidean domain by ideal-theoretic conditions

feb 15 10 at 19:38 Pete L. Clark 39.6k●3●102●226