User Hajime_Saito

5 votes

1 answer

376 views

A question regarding isomorphism in cohomology for moduli space of stable bundles over a compact Riemann surface

asked May 23, 2022 at 2:40

4 votes

1 answer

155 views

Regarding a 'global' version of Chase-Harrison-Rosenberg exact sequence for rings

asked Oct 8, 2021 at 10:44

4 votes

1 answer

211 views

Question regarding intersection product in Chow group of $\mathbb{P}^n\times\mathbb{P}^m $

asked Jul 20, 2019 at 7:25

4 votes

0 answers

183 views

Is the determinant map $det:\mathcal{M}(r,d)\rightarrow Pic^d(X)$ on moduli space of semistable vector bundles a fibration?

asked Dec 9, 2019 at 18:28

3 votes

0 answers

167 views

Whether a particular fiber product of varieties is integral

asked Jul 17, 2020 at 13:07

2 votes

0 answers

311 views

Is the fiber product of two connected complex varieties over a connected base connected?

asked Jul 18, 2020 at 14:22

2 votes

0 answers

123 views

Determining if a morphism is a blowup along a given subvariety

asked May 23, 2020 at 8:50

2 votes

0 answers

51 views

Regarding projective manifolds with decomposable real tangent bundle

asked Jan 10, 2021 at 20:14

2 votes

0 answers

50 views

complex eigenspace sub-bundle of holomorphic tangent bundle

asked Jan 18, 2021 at 21:49

2 votes

0 answers

129 views

Picard group of the moduli space of semistable rank 2 parabolic vector bundles over smooth complex projective curves with trivial determinant

asked Jun 17, 2019 at 16:49

2 votes

0 answers

171 views

Computing Chow group of a variety which is almost a blow-up of another variety

asked Jul 8, 2019 at 8:16

2 votes

0 answers

310 views

Regarding local complete intersection morphism

asked Jul 15, 2019 at 9:04

2 votes

1 answer

410 views

Question regarding Chow group of a blow-up

asked Jul 17, 2019 at 18:21

1 vote

1 answer

180 views

Confusion regarding a definition of cycles

asked Jan 10, 2020 at 20:37

1 vote

0 answers

93 views

Regarding singular points of a fiber bundle

asked May 1, 2020 at 18:20

1 vote

0 answers

114 views

3rd Cohomology of a fibration with Flag varieties as fibers

asked Nov 21, 2019 at 8:22

1 vote

0 answers

174 views

Higher direct images of $\mathbb{G}_m$ under a projective bundle

asked Sep 7, 2021 at 19:16

1 vote

0 answers

118 views

understanding higher direct images of $\mathbb{G}_m$ for a finite Galois map

asked Oct 4, 2021 at 14:02

1 vote

1 answer

148 views

conditions on a morphism $f:X\rightarrow Y$ to ensure $X$ is reduced, given $Y$ is reduced?

asked Jul 19, 2020 at 8:55

1 vote

0 answers

111 views

Question regarding Galois descent of sections of a vector bundle

asked Jun 24, 2022 at 14:07

0 votes

0 answers

35 views

Behaviour of a certain full-flag bundle under a finite group quotient

asked Mar 24, 2022 at 19:33

0 votes

0 answers

155 views

Question regarding étale sheaf under finite étale surjective morphism

asked Apr 3, 2022 at 6:07

0 votes

0 answers

190 views

Classifying $PGL(n,\mathbb{C})$-bundles over a compact Riemann surface

asked Apr 20, 2018 at 16:56

Stack Exchange Network

23 Questions

A question regarding isomorphism in cohomology for moduli space of stable bundles over a compact Riemann surface

Regarding a 'global' version of Chase-Harrison-Rosenberg exact sequence for rings

Question regarding intersection product in Chow group of $\mathbb{P}^n\times\mathbb{P}^m $

Is the determinant map $det:\mathcal{M}(r,d)\rightarrow Pic^d(X)$ on moduli space of semistable vector bundles a fibration?

Whether a particular fiber product of varieties is integral

Is the fiber product of two connected complex varieties over a connected base connected?

Determining if a morphism is a blowup along a given subvariety

Regarding projective manifolds with decomposable real tangent bundle

complex eigenspace sub-bundle of holomorphic tangent bundle

Picard group of the moduli space of semistable rank 2 parabolic vector bundles over smooth complex projective curves with trivial determinant

Computing Chow group of a variety which is almost a blow-up of another variety

Regarding local complete intersection morphism

Question regarding Chow group of a blow-up

Confusion regarding a definition of cycles

Regarding singular points of a fiber bundle

3rd Cohomology of a fibration with Flag varieties as fibers

Higher direct images of $\mathbb{G}_m$ under a projective bundle

understanding higher direct images of $\mathbb{G}_m$ for a finite Galois map

conditions on a morphism $f:X\rightarrow Y$ to ensure $X$ is reduced, given $Y$ is reduced?

Question regarding Galois descent of sections of a vector bundle

Behaviour of a certain full-flag bundle under a finite group quotient

Question regarding étale sheaf under finite étale surjective morphism

Classifying $PGL(n,\mathbb{C})$-bundles over a compact Riemann surface