Question

Details on how to glue sheaves together using a sheaf on a base.

score 698 · Answer 1 · 2026-04-11 12:29:00

698

Views

Details on how to glue sheaves together using a sheaf on a base.

Published on 11 Apr 2026 - 12:29

score 240 · Answer 2 · 2026-04-14 07:08:32

240

Views

Reference request for equality of torsion of H1 and H2

Published on 14 Apr 2026 - 7:08

score 36 · Answer 3 · 2026-04-15 13:30:32

36

Views

If $\varphi\colon X\to Y$ is regular, why is $\overline{\varphi(Z(J))}=Z((\varphi^{*})^{-1}(J))$?

Published on 15 Apr 2026 - 13:30

score 138 · Answer 4 · 2026-04-14 16:37:52

138

Views

Question about dimension of varieties: where is this hypothesis necessary?

Published on 14 Apr 2026 - 16:37

score 488 · Answer 5 · 2026-04-11 14:22:07

488

Views

Definitions of a very ample invertible sheaf

Published on 11 Apr 2026 - 14:22

score 88 · Answer 6 · 2026-04-12 04:47:05

88

Views

Find the equation of the ellipse with given foci and $a$

Published on 12 Apr 2026 - 4:47

score 186 · Answer 7 · 2026-04-11 10:57:10

186

Views

first chern class

Published on 11 Apr 2026 - 10:57

score 669 · Answer 8 · 2026-04-11 12:18:37

669

Views

Contents of Tor modules

Published on 11 Apr 2026 - 12:18

score 90 · Answer 9 · 2026-04-16 04:24:30

90

Views

Family of "something very close to be a curve" over a curve $C$

Published on 16 Apr 2026 - 4:24

score 192 · Answer 10 · 2026-04-13 03:31:27

192

Views

Computing Hodge diamond

Published on 13 Apr 2026 - 3:31

score 218 · Answer 11 · 2026-04-11 22:48:53

218

Views

Linear programming - geometric change between canonical and standard forms

Published on 11 Apr 2026 - 22:48

score 1k · Answer 12 · 2026-04-11 15:53:06

1k

Views

The second and third Chern classes of Calabi-Yau threefolds

Published on 11 Apr 2026 - 15:53

score 102 · Answer 13 · 2026-04-15 10:38:08

102

Views

Quotients of linear algebraic groups in different categories?

Published on 15 Apr 2026 - 10:38

score 357 · Answer 14 · 2026-04-15 08:58:07

357

Views

Maps between direct limits and functoriality of $f^{-1}:Shv(Y) \rightarrow Shv(X)$ and $f_{*}:Shv(X) \rightarrow Shv(Y)$

Published on 15 Apr 2026 - 8:58

score 38 · Answer 15 · 2026-04-14 08:08:13

38

Views

For a surface does $ \textrm{non-rationality + K^2 >0} = \textrm{of general type}$?

Published on 14 Apr 2026 - 8:08

List Question

Details on how to glue sheaves together using a sheaf on a base.

Reference request for equality of torsion of H1 and H2

If $\varphi\colon X\to Y$ is regular, why is $\overline{\varphi(Z(J))}=Z((\varphi^{*})^{-1}(J))$?

Question about dimension of varieties: where is this hypothesis necessary?

Definitions of a very ample invertible sheaf

Find the equation of the ellipse with given foci and $a$

first chern class

Contents of Tor modules

Family of "something very close to be a curve" over a curve $C$

Computing Hodge diamond

Linear programming - geometric change between canonical and standard forms

The second and third Chern classes of Calabi-Yau threefolds

Quotients of linear algebraic groups in different categories?

Maps between direct limits and functoriality of $f^{-1}:Shv(Y) \rightarrow Shv(X)$ and $f_{*}:Shv(X) \rightarrow Shv(Y)$

For a surface does $ \textrm{non-rationality + K^2 >0} = \textrm{of general type}$?

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