Question

Polynomial realizing a point of a variety

score 83 · Answer 1 · 2017-10-28 16:42:56

83

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Polynomial realizing a point of a variety

Published on 28 Oct 2017 - 16:42

score 185 · Answer 2 · 2017-10-31 03:47:21

185

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Is the closure of a quasi-affine variety affine?

Published on 31 Oct 2017 - 3:47

score 671 · Answer 3 · 2026-03-26 21:25:58

671

Views

Proving that $k[C]$ is a Dedekind domain for a smooth affine curve $C$

Published on 26 Mar 2026 - 21:25

score 511 · Answer 4 · 2017-11-07 15:44:42

511

Views

Self-affinity vs. self-similarity

Published on 07 Nov 2017 - 15:44

score 673 · Answer 5 · 2026-03-26 21:26:22

673

Views

Do irreducible sets have proper closed subsets in the Zariski topology?

Published on 26 Mar 2026 - 21:26

score 92 · Answer 6 · 2017-11-09 15:40:36

92

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Domain with positive-existential subset that is not diophantine

Published on 09 Nov 2017 - 15:40

score 143 · Answer 7 · 2017-11-11 20:09:59

143

Views

Difference between ideal-theoretic and set-theoretic definitions of varieties

Published on 11 Nov 2017 - 20:09

score 178 · Answer 8 · 2017-11-20 16:25:11

178

Views

How to determine the variety of an ideal?

Published on 20 Nov 2017 - 16:25

score 112 · Answer 9 · 2017-11-22 09:59:32

112

Views

The geometry of $\mathbb{F}_1$

Published on 22 Nov 2017 - 9:59

score 1.2k · Answer 10 · 2017-12-13 17:54:24

1.2k

Views

Showing that affine space minus one point is not isomorphic to the affine space

Published on 13 Dec 2017 - 17:54

score 253 · Answer 11 · 2017-12-16 08:28:33

253

Views

Geometric interpretation of forking and non-forking extensions in ACF; Concrete examples involve non geometrically irreducible varieties?

Published on 16 Dec 2017 - 8:28

score 113 · Answer 12 · 2017-12-16 10:05:34

113

Views

Geometric meaning of ideals in another version of Hartshorne's connectedness theorem

Published on 16 Dec 2017 - 10:05

score 1.1k · Answer 13 · 2026-03-25 21:49:34

1.1k

Views

Behavior of a variety under base change

Published on 25 Mar 2026 - 21:49

score 308 · Answer 14 · 2026-03-26 14:35:07

308

Views

Two homogeneous polynomial of the same degree define the same projective hypersurface if and only if they are proportional

Published on 26 Mar 2026 - 14:35

score 168 · Answer 15 · 2020-08-09 15:38:31

168

Views

Vakil 3.2.10: Understanding the induced map $\operatorname{Spec} B\to \operatorname{Spec} A$

Published on 09 Aug 2020 - 15:38

List Question

Polynomial realizing a point of a variety

Is the closure of a quasi-affine variety affine?

Proving that $k[C]$ is a Dedekind domain for a smooth affine curve $C$

Self-affinity vs. self-similarity

Do irreducible sets have proper closed subsets in the Zariski topology?

Domain with positive-existential subset that is not diophantine

Difference between ideal-theoretic and set-theoretic definitions of varieties

How to determine the variety of an ideal?

The geometry of $\mathbb{F}_1$

Showing that affine space minus one point is not isomorphic to the affine space

Geometric interpretation of forking and non-forking extensions in ACF; Concrete examples involve non geometrically irreducible varieties?

Geometric meaning of ideals in another version of Hartshorne's connectedness theorem

Behavior of a variety under base change

Two homogeneous polynomial of the same degree define the same projective hypersurface if and only if they are proportional

Vakil 3.2.10: Understanding the induced map $\operatorname{Spec} B\to \operatorname{Spec} A$

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