List questions from projective-schemes

Published on 13 Jun 2014 - 17:59

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Degree of ample bundle over projective curve is positive

Published on 18 Jun 2014 - 18:00

483

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Local complete intersection scheme, conormal sheaves and differentials

Published on 25 Jun 2014 - 17:20

190

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The structure morphism of a projective variety induces a morphism of $k$-algeras

Published on 29 Jun 2014 - 14:53

3.6k

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Torsion sheaves on a curve

Published on 17 Jul 2014 - 9:53

3.3k

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Projective varieties and irreducibility

Published on 24 Jul 2014 - 22:22

85

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$\mathbb C$-isomorphism between two $\mathbb C$-schemes.

Published on 31 Jul 2014 - 11:25

251

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Scheme theoretic dual of $\mathbb P^n_k$

Published on 15 Aug 2014 - 13:24

245

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Does the canonical morphism commute with direct image functor?

Published on 20 Aug 2014 - 19:48

372

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Notation in the Semicontinuity Theorem

Published on 04 Sep 2014 - 22:52

98

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$(-1)$-curves and base change along a field automorphism.

Published on 17 Oct 2014 - 14:30

117

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Confused about short exact sequence involving $\mathcal{O}_{\mathbb{P}^n}$ and $\mathcal{O}_Z$ for $\pi:Z\rightarrow \mathbb{P}^n$ closed embedding

Published on 22 Oct 2014 - 3:12

92

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Point at infinity of the scheme $\mathbb{P}^1$

Published on 04 Nov 2014 - 21:04

58

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What is the definition of $I(Z)$ when $Z \subseteq Proj S$

Published on 12 Nov 2014 - 23:09

1.6k

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Compute the cohomology of projective schemes

Published on 13 Nov 2014 - 13:57

List Question

Twisting relative proj (exercise from Vakil)

Degree of ample bundle over projective curve is positive

Local complete intersection scheme, conormal sheaves and differentials

The structure morphism of a projective variety induces a morphism of $k$-algeras

Torsion sheaves on a curve

Projective varieties and irreducibility

$\mathbb C$-isomorphism between two $\mathbb C$-schemes.

Scheme theoretic dual of $\mathbb P^n_k$

Does the canonical morphism commute with direct image functor?

Notation in the Semicontinuity Theorem

$(-1)$-curves and base change along a field automorphism.

Confused about short exact sequence involving $\mathcal{O}_{\mathbb{P}^n}$ and $\mathcal{O}_Z$ for $\pi:Z\rightarrow \mathbb{P}^n$ closed embedding

Point at infinity of the scheme $\mathbb{P}^1$

What is the definition of $I(Z)$ when $Z \subseteq Proj S$

Compute the cohomology of projective schemes

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