28

Questions

1
0
votes
1
answer
113
views

Is there a map of spectra implementing the inverse of the Thom isomorphism?

aug 26 11 at 9:01 Johannes Ebert 11.6k3356

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1
vote
1
answer
370
views

Question on the interpretation of a presheaf category as a co-completion

mar 25 11 at 1:41 Todd Trimble 22.7k16497

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4
votes
1
answer
507
views

Analogue to Serre spectral sequence for cofiber sequences and homotopy

mar 6 11 at 4:40 John Klein 7,2561928

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7
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2
answers
1k
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Why does homotopy behave well with respect to fibrations and homology with respect to cofibrations?

feb 24 11 at 23:00 Matthew Ando 26613

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7
votes
4
answers
650
views

Singular complex = cohomology ring + Steenrod operations?

feb 19 11 at 0:43 Fernando Muro 5,2931916

 
5
votes
1
answer
236
views

What kind of colimits are preserved by a certain Yoneda embedding?

mar 24 11 at 23:02 roger123 1,662520

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7
votes
2
answers
477
views

Geometric motivation for the Stanley-Reisner correspondence

jan 22 11 at 15:53 Jeremy Martin 58528

 
1
vote
3
answers
412
views

Distributivity / commutativity of pushouts and pullbacks

nov 18 10 at 9:23 Martin Brandenburg 29.5k247133

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10
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4
answers
533
views

Algebraic analogue of the Moebius bundle over the circle

nov 9 10 at 17:39 Paul Yuryev 28917

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11
votes
6
answers
2k
views

How should one think about sheafification and the difference between a sheaf and a presheaf

nov 9 10 at 16:36 roy smith 5,0263629

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