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Hajime_Saito
  • Member for 7 years, 11 months
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5 votes
1 answer
406 views

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

5 votes
0 answers
138 views

Description of pull-back of coherent sheaves under a smooth morphism of Artin stacks

4 votes
1 answer
176 views

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

4 votes
1 answer
218 views

Question regarding the definition of linearization of line bundles

4 votes
1 answer
236 views

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

4 votes
0 answers
213 views

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

3 votes
0 answers
202 views

Whether a particular fiber product of varieties is integral

2 votes
0 answers
429 views

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

2 votes
0 answers
144 views

Determining if a morphism is a blowup along a given subvariety

2 votes
0 answers
52 views

Regarding projective manifolds with decomposable real tangent bundle

2 votes
0 answers
67 views

complex eigenspace sub-bundle of holomorphic tangent bundle

2 votes
0 answers
139 views

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

2 votes
0 answers
199 views

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

2 votes
0 answers
398 views

Regarding local complete intersection morphism

2 votes
1 answer
495 views

Question regarding Chow group of a blow-up

2 votes
1 answer
210 views

Is a finite morphism of Deligne-Mumford stacks proper?

2 votes
2 answers
183 views

Tensor functor between rigid tensor categories preserves $\text{Hom}$-objects

2 votes
0 answers
63 views

Orthogonal bundles with values in a line bundle vs. reductions of structure group to $O(n)$

1 vote
0 answers
164 views

Question regarding Galois descent of sections of a vector bundle

1 vote
1 answer
185 views

Confusion regarding a definition of cycles

1 vote
0 answers
117 views

Regarding singular points of a fiber bundle

1 vote
0 answers
115 views

3rd Cohomology of a fibration with Flag varieties as fibers

1 vote
0 answers
230 views

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

1 vote
0 answers
126 views

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

1 vote
1 answer
153 views

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

0 votes
0 answers
210 views

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

0 votes
0 answers
175 views

Question regarding étale sheaf under finite étale surjective morphism