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Earthliŋ
  • Member for 13 years, 4 months
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15 votes
2 answers
4k views

First group homology with general coefficients

13 votes
1 answer
1k views

Lie groups vs. algebraic groups and deformations

9 votes
2 answers
3k views

Top cohomology detecting compactness

8 votes
1 answer
418 views

Kontsevich weights in the complex algebraic setting

7 votes
2 answers
3k views

Conditions for the restriction $H^i(G,A)\to H^i(H,A)$ being surjective

6 votes
1 answer
268 views

Does the degeneracy of the Frölicher spectral sequence vary in families?

5 votes
0 answers
337 views

State of the art on strong full exceptional collections

4 votes
1 answer
1k views

Abstract definition of properly discontinuous action

4 votes
2 answers
1k views

Tracking spectral sequence differentials

4 votes
1 answer
661 views

Graded quivers vs "ordinary" quivers and derived categories

4 votes
1 answer
570 views

Analogue of Quillen-Suslin theorem for affine varieties

4 votes
1 answer
376 views

Classical deformation of algebras

3 votes
2 answers
575 views

Cohomological dimension of finitely presented group

3 votes
2 answers
670 views

Infinitesimal rigidity vs. local rigidity

3 votes
1 answer
372 views

Cohomological dimension of groups & number of generators

3 votes
4 answers
1k views

Holonomy of compact manifolds

3 votes
1 answer
942 views

DG Lie algebras and derived deformation theory

2 votes
2 answers
391 views

Infinitesimal deformations of a discrete group inside Lie groups vs. algebraic groups

1 vote
2 answers
853 views

Twisted cohomology of torus

1 vote
1 answer
340 views

Proper morphisms: Lie groups vs. group schemes