Question

What exactly is the $\mathcal O_X$-module and the corresponding sheaf of modules?

score 1.8k · Answer 1 · 2016-04-22 15:45:26

1.8k

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What exactly is the $\mathcal O_X$-module and the corresponding sheaf of modules?

Published on 22 Apr 2016 - 15:45

score 44 · Answer 2 · 2016-05-02 14:09:28

44

Views

How can I "groupify" an elliptic curve over a non-field?

Published on 02 May 2016 - 14:09

score 484 · Answer 3 · 2016-05-14 09:49:23

484

Views

$A$ abelian variety. Is the multiplication by $n_A$ surjective?

Published on 14 May 2016 - 9:49

score 82 · Answer 4 · 2016-05-26 07:16:00

82

Views

Reference for the $\Bbb A^1_k$-rigidity of abelian $k$-varieties

Published on 26 May 2016 - 7:16

score 263 · Answer 5 · 2016-05-26 11:42:17

263

Views

Dimension of an abelian subvariety in the proof of the Poincaré's Reducibility Theorem

Published on 26 May 2016 - 11:42

score 356 · Answer 6 · 2026-03-22 12:33:57

356

Views

Why is the index $i(\mathcal{L})$ of an ample line bundle on an abelian variety equal to $0$?

Published on 22 Mar 2026 - 12:33

score 451 · Answer 7 · 2016-05-30 07:30:58

451

Views

How to apply Riemann-Roch Theorem and Kodaira Vanishing Theorem to an ample line bundle?

Published on 30 May 2016 - 7:30

score 68 · Answer 8 · 2016-05-30 17:05:27

68

Views

Certain map of modules is iso [Mumford Abelian Varieties]

Published on 30 May 2016 - 17:05

score 1k · Answer 9 · 2016-06-02 09:22:22

1k

Views

Pullback of a Weil divisor?

Published on 02 Jun 2016 - 9:22

score 373 · Answer 10 · 2016-06-03 02:34:14

373

Views

Understanding $X \to X^{tt}$ from the Poincare bundle

Published on 03 Jun 2016 - 2:34

score 1k · Answer 11 · 2016-06-03 06:29:14

1k

Views

Line bundle and effective divisor?

Published on 03 Jun 2016 - 6:29

score 231 · Answer 12 · 2016-06-03 12:27:21

231

Views

Connected component of $0$: why is it an abelian variety?

Published on 03 Jun 2016 - 12:27

score 86 · Answer 13 · 2016-06-07 14:52:33

86

Views

Why is $Supp D=Supp(\pi^*(\pi(Supp D)))$?

Published on 07 Jun 2016 - 14:52

score 289 · Answer 14 · 2026-03-22 06:51:51

289

Views

The Mumford line bundle of $(-1)^* L$

Published on 22 Mar 2026 - 6:51

score 151 · Answer 15 · 2016-06-09 11:13:01

151

Views

Cohomology of the Munford line budle on an Abelian variety

Published on 09 Jun 2016 - 11:13

List Question

What exactly is the $\mathcal O_X$-module and the corresponding sheaf of modules?

How can I "groupify" an elliptic curve over a non-field?

$A$ abelian variety. Is the multiplication by $n_A$ surjective?

Reference for the $\Bbb A^1_k$-rigidity of abelian $k$-varieties

Dimension of an abelian subvariety in the proof of the Poincaré's Reducibility Theorem

Why is the index $i(\mathcal{L})$ of an ample line bundle on an abelian variety equal to $0$?

How to apply Riemann-Roch Theorem and Kodaira Vanishing Theorem to an ample line bundle?

Certain map of modules is iso [Mumford Abelian Varieties]

Pullback of a Weil divisor?

Understanding $X \to X^{tt}$ from the Poincare bundle

Line bundle and effective divisor?

Connected component of $0$: why is it an abelian variety?

Why is $Supp D=Supp(\pi^*(\pi(Supp D)))$?

The Mumford line bundle of $(-1)^* L$

Cohomology of the Munford line budle on an Abelian variety

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