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Grisha Taroyan
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5 votes
0 answers
84 views

cohomological obstruction for a manifold being homogeneous

4 votes
1 answer
368 views

Configuration space of a circle

4 votes
1 answer
184 views

Homogeneous space of indeterminate orthogonal group and the fundamental group of $SO^+(3,3)$

3 votes
0 answers
45 views

Notion of stability for Lusternik-Schnirelman category

3 votes
1 answer
97 views

p-adic Pontryagin class invariance

2 votes
0 answers
50 views

Why tame automorphisms are important?

2 votes
1 answer
69 views

Are all PL-branched coverings from $\mathbb{T}^4$ to $\mathbb{R}P^4$ null-homotopic?

2 votes
0 answers
46 views

Examples of non-filtered abelian categories

2 votes
1 answer
42 views

Subring of a global field

2 votes
0 answers
57 views

Relation between invariant meromorphic and invariant holomorphic functions

2 votes
1 answer
106 views

A naive question about the Godement resolution

2 votes
0 answers
27 views

Chow rings for analytic spaces

2 votes
0 answers
134 views

Sheaf cohomology of a cover (please find my mistake)

2 votes
0 answers
52 views

Affine semigroup generating a lattice

2 votes
0 answers
23 views

Adjoint representation of a Lie group in homology of its lie algebra

1 vote
1 answer
53 views

Cohomology via simplicial homotopy theory and its relation to completion

1 vote
0 answers
94 views

Bochner Integral for Frechet spaces

1 vote
0 answers
51 views

Element of $H^{0,1}_{\overline{\partial}}(T^2)$ representing $\mathbb{C}$-bundle

1 vote
2 answers
140 views

Finite dimensional Lie algebras with trivial homology

1 vote
1 answer
55 views

Additional structure on complex cobordism?

1 vote
1 answer
90 views

Diffeomorphism that preserves almost complex structure on complex manifold

1 vote
2 answers
90 views

Integrating $\int_0^\infty \frac{x}{(4x^2+\pi^2)\sinh x} dx$ using residues

1 vote
0 answers
77 views

A dual space to the formal power series

1 vote
1 answer
88 views

ring automorphisms preserving module structure

1 vote
0 answers
52 views

Double Tor functor

0 votes
0 answers
64 views

Equation in ordinal numbers

0 votes
0 answers
73 views

How to find the symmetry group of a vector field $x\partial_x+y\partial_y$

0 votes
1 answer
130 views

Integral Noetherian ring over Artinian ring is Artinian

0 votes
0 answers
69 views

Divisorial sheaves as sheaves on $\operatorname{Pic}(X)\times X$

0 votes
0 answers
43 views

Find the integers of degree 4 extension [duplicate]