8

Questions
votes newest views recent
6
11
votes
3
answers
668
views

How transitive are the actions of symplectomorphism groups ?

nov 30 at 8:15 Peter Michor 6,358●1●15●20

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14
votes
1
answer
572
views

Whitehead product with identity on homotopy groups of spheres

sep 19 at 9:13 Fernando Muro 5,293●1●9●16

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10
votes
2
answers
855
views

Combinatorics of the Stasheff polytopes

sep 6 at 7:51 Tom Copeland 805●5●20

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25
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5
answers
1k
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How are the classifying space of $E_8$ and $K(\mathbb{Z},4)$ related?

feb 5 12 at 16:32 Urs Schreiber 6,715●14●22

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6
votes
1
answer
442
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Homotopy type of the self-homotopy equivalences of a bouquet of spheres

nov 23 11 at 23:41 Vitali Kapovitch 4,102●1●11●22

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3
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2
answers
228
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Tutte polynomials of appropriate Cayley graphs

oct 12 11 at 7:12 Bruce Westbury 6,750●2●10●25

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5
votes
2
answers
497
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Geometric models for classifying spaces of a group

oct 29 10 at 4:44 Harry Gindi 8,948●2●33●97

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7
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1
answer
392
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Hopf algebras as cohomology of $\mathbb{CP}^\infty$, $\Omega S^3$ and related $H$-spaces

sep 21 10 at 13:08 Tyler Lawson 19k●3●47●93