User user127776

4 votes

1 answer

333 views

Which cohomology classes come from smooth projective varieties?

asked Apr 23, 2023 at 17:05

4 votes

1 answer

366 views

Vector bundles on complete rings

asked Feb 5, 2021 at 10:36

4 votes

0 answers

138 views

On formal completions of normal bundles in the non-affine case

asked Feb 11, 2021 at 13:51

4 votes

1 answer

232 views

Is quotient of projective scheme over arbitrary base by a finite group also projective

asked Mar 3, 2021 at 17:56

4 votes

1 answer

312 views

Symmetric powers of curves and completion along the diagonal

asked Feb 26, 2021 at 4:06

4 votes

0 answers

157 views

Coherent sheaves and space filling curves

asked Feb 21, 2021 at 23:40

4 votes

0 answers

262 views

How much does the formal completion know about the ambient variety?

asked Feb 13, 2021 at 18:56

4 votes

1 answer

252 views

Support of torsion in the Borel–Moore homology

asked Nov 26, 2021 at 18:45

4 votes

1 answer

234 views

Etale $K$ theory coincides with algebraic one in high enough degrees

asked Aug 24, 2021 at 4:53

4 votes

0 answers

132 views

Borel-Moore variant of the Lichtenbaum conjecture

asked Mar 27, 2021 at 6:08

4 votes

0 answers

401 views

Purity for algebraic De Rham complex

asked Jul 2, 2021 at 7:21

4 votes

0 answers

166 views

Do Deligne and truncated De Rham cohomologies define a Bloch-Ogus cohomology in char $0$?

asked Jul 8, 2021 at 21:38

4 votes

1 answer

299 views

A question regarding the Suslin's proof on Grayson motivic cohomology

asked Jul 13, 2021 at 0:12

4 votes

1 answer

302 views

Rational homotopy type of rational mapping spaces

asked Jul 29, 2021 at 16:53

4 votes

0 answers

211 views

Gluing two affine schemes along a different intersection

asked Dec 7, 2020 at 2:01

4 votes

0 answers

127 views

Cancellation property of vector bundles on non-proper varieties

asked Dec 12, 2020 at 21:55

4 votes

1 answer

305 views

Homotopy invariance of $K_0$

asked Dec 26, 2020 at 4:14

4 votes

0 answers

480 views

Chern classes of torsion-free sheaves

asked Nov 12, 2019 at 0:58

4 votes

0 answers

109 views

Filtrations of motivic spectral sequences

asked Mar 30, 2020 at 19:40

4 votes

0 answers

251 views

Effects of the first algebraic K-theory on the higher algebraic K-theory

asked May 14, 2019 at 19:06

4 votes

0 answers

138 views

On the Beilinson's conjecture regarding the proper flat integral models

asked Jun 3, 2019 at 2:26

4 votes

0 answers

168 views

Harder-Narasimhan over arbitrary coefficients

asked Aug 30, 2018 at 20:42

4 votes

0 answers

214 views

Hyperbolic subgroups of general linear groups

asked Aug 16, 2018 at 21:34

3 votes

0 answers

182 views

Existence of regular hypersurface sections

asked Apr 15, 2019 at 1:53

3 votes

0 answers

109 views

Adams operation on the rational homology

asked May 7, 2019 at 19:38

3 votes

0 answers

258 views

Homotopy equivalence of $K$-theory and $G$-theory

asked Jul 21, 2019 at 16:59

3 votes

0 answers

127 views

Stably deforming vector bundles

asked Apr 12, 2020 at 1:23

3 votes

1 answer

303 views

Resolution of short exact sequences by the split ones

asked Jan 2, 2021 at 0:12

3 votes

0 answers

201 views

When a reflexive sheaf is flat over its base

asked Dec 22, 2020 at 7:01

3 votes

1 answer

263 views

Kernels of surjections from a vector bundle to a reflexive sheaf

asked Dec 23, 2020 at 4:24

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175 Questions

Which cohomology classes come from smooth projective varieties?

Vector bundles on complete rings

On formal completions of normal bundles in the non-affine case

Is quotient of projective scheme over arbitrary base by a finite group also projective

Symmetric powers of curves and completion along the diagonal

Coherent sheaves and space filling curves

How much does the formal completion know about the ambient variety?

Support of torsion in the Borel–Moore homology

Etale $K$ theory coincides with algebraic one in high enough degrees

Borel-Moore variant of the Lichtenbaum conjecture

Purity for algebraic De Rham complex

Do Deligne and truncated De Rham cohomologies define a Bloch-Ogus cohomology in char $0$?

A question regarding the Suslin's proof on Grayson motivic cohomology

Rational homotopy type of rational mapping spaces

Gluing two affine schemes along a different intersection

Cancellation property of vector bundles on non-proper varieties

Homotopy invariance of $K_0$

Chern classes of torsion-free sheaves

Filtrations of motivic spectral sequences

Effects of the first algebraic K-theory on the higher algebraic K-theory

On the Beilinson's conjecture regarding the proper flat integral models

Harder-Narasimhan over arbitrary coefficients

Hyperbolic subgroups of general linear groups

Existence of regular hypersurface sections

Adams operation on the rational homology

Homotopy equivalence of $K$-theory and $G$-theory

Stably deforming vector bundles

Resolution of short exact sequences by the split ones

When a reflexive sheaf is flat over its base

Kernels of surjections from a vector bundle to a reflexive sheaf