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Questions
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Presenting work in progress [closed]

jan 12 12 at 2:00 Aaron Hoffman 229●1●1●6

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Example of a manifold which is not a homogeneous space of any Lie group

feb 25 12 at 23:01 MTS 5,306●1●9●27

 
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Uncountable family of infinite subsets with pairwise finite intersections

jun 1 at 14:36 Valerio Capraro 3,595●11●25

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(Elementary?) combinatorial identity expressing binomial coefficients as an alternating sum over permutations.

jun 30 10 at 22:55 Qiaochu Yuan 38.4k●5●116●303

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A matrix algebra has no deformations?

nov 17 11 at 8:48 DamienC 3,576●15●23

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BGG resolution and representations of parabolic subalgebras

nov 26 11 at 18:51 Jim Humphreys 26.1k●38●84

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Koszul duality between Weyl and Clifford algebras?

nov 11 11 at 9:08 DamienC 3,576●15●23

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504
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Module category equivalent to graded module category?

jan 14 12 at 5:49 MTS 5,306●1●9●27

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479
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How to recognize a Hopf algebra?

mar 8 12 at 17:57 MTS 5,306●1●9●27

 
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Splitting of homomorphism from cactus group to permutation group

jan 28 12 at 1:17 François G. Dorais♦ 22.7k●2●49●114

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