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Questions
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Explicit model of BSU(2) in terms of singular complex

mar 5 at 16:51 Tim Perutz 8,655●1●16●42

 
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189
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$\pi$-cohomology class — a variant of cohomology class

mar 4 at 2:43 Xiao-Gang Wen 328●2●7

 
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400
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Group cohomology of orthogonal groups with integer coefficient

feb 18 at 7:11 Mark Grant 9,061●1●13●33

 
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Homotopy class of the maps $(S_1)^d \to X$.

may 3 at 21:22 MathOverflow♦ 1●2●3

 
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Cohomology of a fiber bundle with fiber $H$ and base space $BG$

nov 13 at 2:08 algori 16k●1●29●94

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215
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A “dual” universal coefficient theorem

nov 2 at 3:14 washingdish 1●1

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410
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Canonical form of symmetric integer matrix M

may 20 at 22:29 Will Jagy 12.5k●1●26●45

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Group cohomology with $Z_2$ coefficient

oct 16 11 at 3:42 Chris Gerig 5,526●1●12●40

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Kuenneth-formula for group cohomology with nontrivial action on the coefficient

sep 15 11 at 6:49 Mark Grant 9,061●1●13●33

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Group cohomology of compact Lie group with integer coeffient

sep 15 11 at 13:15 Neil Strickland 13.3k●1●28●66

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