40

Questions
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properly interpreting Pi_0 in the homotopy exact sequence

nov 6 09 at 15:16 Charles Rezk 12.9k●1●31●66

 
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Is there an easy way to find the minimum dimensions of representations for these R-algebras?

sep 21 10 at 1:55 Ben Webster♦ 20.7k●1●44●114

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If $A\in \mbox{Rings}\subset E_\infty\mbox{-rings}$, what is the equivalence between objects of $\mathcal{D}(\mbox{Mod}_A)$ and $A$-module spectra?

jan 30 12 at 20:33 Justin Noel 574●2●7

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localization at a homology theory and the Adams spectral sequence

jan 19 11 at 15:04 Tilman 3,842●4●13●27

 
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How can I show that the map L-->K(\pi_n(L),n) representing the fundamental class of an (n-1)-connected space is an isomorphism on \pi_n?

oct 15 10 at 21:15 Aaron Mazel-Gee 3,308●6●21

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free homotopy groups — when do they exist?

nov 19 09 at 20:18 Ilya Nikokoshev 8,989●5●30●73

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207
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determining a fair betting scheme

nov 25 09 at 1:41 unknown (google) 26●1

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How can I prove that the derived couple of the homotopy exact couple is an invariant?

jul 5 10 at 19:18 Jeff Strom 3,514●1●6●19

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659
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singular cohomology of SO(4)

oct 21 09 at 10:04 skupers 3,109●6●26

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Stably isomorphic groups

jul 28 10 at 9:15 Charles Matthews 9,740●13●39

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