Question

Scheme-theoretically dense and associated points.

score 298 · Answer 1 · 2018-05-23 15:39:50

298

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Scheme-theoretically dense and associated points.

Published on 23 May 2018 - 15:39

score 423 · Answer 2 · 2018-05-23 15:42:22

423

Views

Non-reduced locus of a locally Noetherian scheme is the closure of non-reduced associated points

Published on 23 May 2018 - 15:42

score 630 · Answer 3 · 2018-05-23 21:40:55

630

Views

Self Intersection of a Fiber

Published on 23 May 2018 - 21:40

score 253 · Answer 4 · 2026-03-25 06:12:40

253

Views

Rank of a locally free coherent sheaf on a not-necessarily connected scheme

Published on 25 Mar 2026 - 6:12

score 151 · Answer 5 · 2018-05-25 08:03:30

151

Views

What is meant by the closure of a set in a scheme in this context?

Published on 25 May 2018 - 8:03

score 330 · Answer 6 · 2018-05-26 05:21:28

330

Views

Associated points and fuzz (non-reducedness)

Published on 26 May 2018 - 5:21

score 484 · Answer 7 · 2026-03-25 06:11:15

484

Views

Tensoring locally free sheaves - global sections

Published on 25 Mar 2026 - 6:11

score 51 · Answer 8 · 2018-05-27 03:19:08

51

Views

Is $\mathcal O_X(U) \cong \mathcal O_X(V)$ when $U,V$ both contain the same collection of associated points?

Published on 27 May 2018 - 3:19

score 1k · Answer 9 · 2018-05-29 19:36:26

1k

Views

Fibered product of schemes and global section functor

Published on 29 May 2018 - 19:36

score 59 · Answer 10 · 2018-05-31 06:29:45

59

Views

Second exact sequence for closed embedding of nonsingular varieties.

Published on 31 May 2018 - 6:29

score 117 · Answer 11 · 2018-05-31 23:09:43

117

Views

Disconnecting projective space

Published on 31 May 2018 - 23:09

score 566 · Answer 12 · 2018-06-02 21:56:49

Does the $0$ element of a stalk have to $0$ only at the point, or does it also have to be $0$ in a neighborhood containing the point?

score 436 · Answer 13 · 2026-03-25 04:43:03

436

Views

Functor from the category of varieties to the category of schemes.

Published on 25 Mar 2026 - 4:43

score 745 · Answer 14 · 2018-06-04 11:18:13

745

Views

Pullback morphism of structure sheaves induced by a morphism of schemes

Published on 04 Jun 2018 - 11:18

score 183 · Answer 15 · 2026-03-22 23:21:03

183

Views

QCQS lemma for modules?

Published on 22 Mar 2026 - 23:21

List Question

Scheme-theoretically dense and associated points.

Non-reduced locus of a locally Noetherian scheme is the closure of non-reduced associated points

Self Intersection of a Fiber

Rank of a locally free coherent sheaf on a not-necessarily connected scheme

What is meant by the closure of a set in a scheme in this context?

Associated points and fuzz (non-reducedness)

Tensoring locally free sheaves - global sections

Is $\mathcal O_X(U) \cong \mathcal O_X(V)$ when $U,V$ both contain the same collection of associated points?

Fibered product of schemes and global section functor

Second exact sequence for closed embedding of nonsingular varieties.

Disconnecting projective space

Does the $0$ element of a stalk have to $0$ only at the point, or does it also have to be $0$ in a neighborhood containing the point?

Functor from the category of varieties to the category of schemes.

Pullback morphism of structure sheaves induced by a morphism of schemes

QCQS lemma for modules?

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