Question

About Rim's theorem for projective modules over group rings

score 766 · Answer 1 · 2012-06-04 18:51:04

766

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About Rim's theorem for projective modules over group rings

Published on 04 Jun 2012 - 18:51

score 221 · Answer 2 · 2012-07-13 12:15:52

221

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Calculating $H^n(G, \mathbb{Z}G)$ as co-homology with compact support of a proper co-compact $G$-CW-complex $X$

Published on 13 Jul 2012 - 12:15

score 320 · Answer 3 · 2012-07-21 16:08:22

320

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Schur multiplier of the symmetric group

Published on 21 Jul 2012 - 16:08

score 402 · Answer 4 · 2012-07-28 15:52:53

402

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Explicit 3-Cocycles of $Z_2\times Z_2$ over $U(1)$

Published on 28 Jul 2012 - 15:52

score 127 · Answer 5 · 2026-03-25 23:10:01

127

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Map from $\operatorname{Ext}^1(M,M)$ to $H^1(G, \operatorname{End}(M))$

Published on 25 Mar 2026 - 23:10

score 3.1k · Answer 6 · 2012-08-10 13:07:59

3.1k

Views

Group cohomology of finite groups

Published on 10 Aug 2012 - 13:07

score 104 · Answer 7 · 2012-08-11 15:13:08

104

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Is it true, that $H^1(X,\mathcal{K}_{x_1,x_2})=0$? - The cohomology of the complex curve with a coefficient of the shaeaf of meromorphic functions...

Published on 11 Aug 2012 - 15:13

score 856 · Answer 8 · 2012-08-14 01:19:09

856

Views

When is $\mathbb{Z}$ a flat $\mathbb{Z}G$-module?

Published on 14 Aug 2012 - 1:19

score 1.7k · Answer 9 · 2012-08-16 18:25:08

1.7k

Views

Dual sequence and its exactness

Published on 16 Aug 2012 - 18:25

score 124 · Answer 10 · 2012-08-19 10:55:47

124

Views

find a $k[G]$-module basis for a $k$ module with $G$ action

Published on 19 Aug 2012 - 10:55

score 551 · Answer 11 · 2012-08-20 14:11:50

551

Views

Relation between group zero-cohomology and the dual of group zero-homology

Published on 20 Aug 2012 - 14:11

score 2.2k · Answer 12 · 2012-08-21 15:52:04

2.2k

Views

Calculating the group co-homology of the symmetric group $S_3$ with integer coefficients.

Published on 21 Aug 2012 - 15:52

score 353 · Answer 13 · 2012-09-04 20:00:28

353

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The first cohomology of group

Published on 04 Sep 2012 - 20:00

score 1.2k · Answer 14 · 2012-09-13 22:45:13

1.2k

Views

Lang's Algebra: Herbrand quotient

Published on 13 Sep 2012 - 22:45

score 251 · Answer 15 · 2012-09-30 20:04:33

251

Views

Explicit calculation to show a complex is exact

Published on 30 Sep 2012 - 20:04

List Question

About Rim's theorem for projective modules over group rings

Calculating $H^n(G, \mathbb{Z}G)$ as co-homology with compact support of a proper co-compact $G$-CW-complex $X$

Schur multiplier of the symmetric group

Explicit 3-Cocycles of $Z_2\times Z_2$ over $U(1)$

Map from $\operatorname{Ext}^1(M,M)$ to $H^1(G, \operatorname{End}(M))$

Group cohomology of finite groups

Is it true, that $H^1(X,\mathcal{K}_{x_1,x_2})=0$? - The cohomology of the complex curve with a coefficient of the shaeaf of meromorphic functions...

When is $\mathbb{Z}$ a flat $\mathbb{Z}G$-module?

Dual sequence and its exactness

find a $k[G]$-module basis for a $k$ module with $G$ action

Relation between group zero-cohomology and the dual of group zero-homology

Calculating the group co-homology of the symmetric group $S_3$ with integer coefficients.

The first cohomology of group

Lang's Algebra: Herbrand quotient

Explicit calculation to show a complex is exact

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