Question

Scheme-theoretically dense and associated points.

score 301 · Answer 1 · 2026-04-14 07:13:22

301

Views

Scheme-theoretically dense and associated points.

Published on 14 Apr 2026 - 7:13

score 426 · Answer 2 · 2026-04-13 07:00:38

426

Views

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

Published on 13 Apr 2026 - 7:00

score 637 · Answer 3 · 2026-05-10 18:01:30

637

Views

Self Intersection of a Fiber

Published on 10 May 2026 - 18:01

score 255 · Answer 4 · 2026-05-10 15:56:31

255

Views

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

Published on 10 May 2026 - 15:56

score 154 · Answer 5 · 2026-04-10 17:32:05

154

Views

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

Published on 10 Apr 2026 - 17:32

score 333 · Answer 6 · 2026-04-16 05:33:37

333

Views

Associated points and fuzz (non-reducedness)

Published on 16 Apr 2026 - 5:33

score 486 · Answer 7 · 2026-05-10 15:55:03

486

Views

Tensoring locally free sheaves - global sections

Published on 10 May 2026 - 15:55

score 54 · Answer 8 · 2026-04-12 08:02:53

54

Views

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

Published on 12 Apr 2026 - 8:02

score 1k · Answer 9 · 2026-04-14 01:21:07

1k

Views

Fibered product of schemes and global section functor

Published on 14 Apr 2026 - 1:21

score 61 · Answer 10 · 2026-04-12 20:26:15

61

Views

Second exact sequence for closed embedding of nonsingular varieties.

Published on 12 Apr 2026 - 20:26

score 122 · Answer 11 · 2026-05-10 13:18:01

122

Views

Disconnecting projective space

Published on 10 May 2026 - 13:18

score 569 · Answer 12 · 2026-04-15 20:52:51

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 439 · Answer 13 · 2026-05-10 15:52:45

439

Views

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

Published on 10 May 2026 - 15:52

score 751 · Answer 14 · 2026-05-10 22:09:22

751

Views

Pullback morphism of structure sheaves induced by a morphism of schemes

Published on 10 May 2026 - 22:09

score 190 · Answer 15 · 2026-05-10 14:37:45

190

Views

QCQS lemma for modules?

Published on 10 May 2026 - 14:37

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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