25

Questions
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5
13
votes
5
answers
894
views

K_2 of rings of algebraic integers

jul 8 10 at 17:20 Minhyong Kim 7,159●5●30●52

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9
votes
3
answers
529
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Homotopy type of set of self homotopy-equivalences of a surface

mar 19 10 at 3:51 Allen Hatcher 7,169●2●26●35

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8
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3
answers
882
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Making the branching rule for the symmetric group concrete

nov 23 10 at 12:44 Sinead Lyle 71●3

8
8
votes
11
answers
1k
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Textbook for undergraduate course in geometry

mar 24 at 2:58 lei feng 1

2
7
votes
3
answers
336
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Embedding groups into groups with some vanishing homology groups

apr 24 11 at 10:17 Chris Gerig 5,526●1●12●40

2
7
votes
0
answers
263
views

Finite subgroups of the symplectic group that don’t act on simple principally polarized abelian varieties

apr 28 10 at 6:04 Agol 23.9k●1●33●84

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7
votes
1
answer
397
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Conjugating a subgroup of a group into a proper subgroup of itself

apr 5 10 at 17:45 Robin Chapman 14.5k●2●29●50

1
7
votes
1
answer
329
views

Lifting bases for (Z/pZ)^n to Z^n

oct 22 09 at 5:21 Steven Sivek 3,361●1●17●18

4
6
votes
3
answers
318
views

A complex manifold which is quasiprojective in two different ways

oct 24 09 at 15:47 Benjamin Antieau 2,336●9●18

1
6
votes
4
answers
2k
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Regular languages and the pumping lemma

oct 20 09 at 19:36 mic 11●1●2

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