Question

fibre of morphism is homeomorphic to $f^{-1}(y)$

score 307 · Answer 1 · 2018-11-10 07:27:44

307

Views

fibre of morphism is homeomorphic to $f^{-1}(y)$

Published on 10 Nov 2018 - 7:27

score 164 · Answer 2 · 2018-11-10 14:16:51

164

Views

Smooth projective plane curve only has rational divisors of even degree

Published on 10 Nov 2018 - 14:16

score 405 · Answer 3 · 2026-03-25 09:26:35

405

Views

Global sections of a line bundle on a hypersurface in complex projective space.

Published on 25 Mar 2026 - 9:26

score 163 · Answer 4 · 2026-03-25 12:55:45

163

Views

Why are all proper ring varieties trivial?

Published on 25 Mar 2026 - 12:55

score 581 · Answer 5 · 2026-03-25 09:39:54

581

Views

How can one show that an elliptic curve has a point whose tangent line also meet another point of the curve

Published on 25 Mar 2026 - 9:39

score 298 · Answer 6 · 2026-03-28 10:16:44

298

Views

(when) is a map of schemes determines by values on Zariski dense subset?

Published on 28 Mar 2026 - 10:16

score 444 · Answer 7 · 2026-04-01 16:16:26

444

Views

The existence of fibre product of schemes

Published on 01 Apr 2026 - 16:16

score 152 · Answer 8 · 2026-03-25 01:20:30

152

Views

Calculation of valuation ring of a valuation associated to a blowup

Published on 25 Mar 2026 - 1:20

score 472 · Answer 9 · 2026-04-08 06:38:08

472

Views

Image of the Segre embedding of an hypersurface

Published on 08 Apr 2026 - 6:38

score 53 · Answer 10 · 2026-03-28 11:54:12

53

Views

Does $\operatorname{Ann}(d) = \operatorname{Ann}(b)$ together with $d \in \operatorname{Rad}(bR)$ imply $d \in bR$?

Published on 28 Mar 2026 - 11:54

score 83 · Answer 11 · 2026-03-27 14:10:25

83

Views

Finite etale covers and Grothendieck groups

Published on 27 Mar 2026 - 14:10

score 93 · Answer 12 · 2026-03-26 09:32:00

93

Views

Why is this map continuous? Group operation on étalé space of a sheaf

Published on 26 Mar 2026 - 9:32

score 531 · Answer 13 · 2026-03-27 11:47:49

531

Views

Smooth projective curves of genus 0

Published on 27 Mar 2026 - 11:47

score 125 · Answer 14 · 2026-03-28 10:16:31

125

Views

Do we also have to use the condition that $f$ is an immersion?

Published on 28 Mar 2026 - 10:16

score 301 · Answer 15 · 2026-03-25 16:07:19

301

Views

Hyperelliptic curves express by branch points

Published on 25 Mar 2026 - 16:07

List Question

fibre of morphism is homeomorphic to $f^{-1}(y)$

Smooth projective plane curve only has rational divisors of even degree

Global sections of a line bundle on a hypersurface in complex projective space.

Why are all proper ring varieties trivial?

How can one show that an elliptic curve has a point whose tangent line also meet another point of the curve

(when) is a map of schemes determines by values on Zariski dense subset?

The existence of fibre product of schemes

Calculation of valuation ring of a valuation associated to a blowup

Image of the Segre embedding of an hypersurface

Does $\operatorname{Ann}(d) = \operatorname{Ann}(b)$ together with $d \in \operatorname{Rad}(bR)$ imply $d \in bR$?

Finite etale covers and Grothendieck groups

Why is this map continuous? Group operation on étalé space of a sheaf

Smooth projective curves of genus 0

Do we also have to use the condition that $f$ is an immersion?

Hyperelliptic curves express by branch points

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