Question

The variety associated to a polynomial ring with a particular grading

score 75 · Answer 1 · 2012-06-06 08:43:43

75

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The variety associated to a polynomial ring with a particular grading

Published on 06 Jun 2012 - 8:43

score 38 · Answer 2 · 2012-06-10 18:41:33

38

Views

Understanding $Bl_{\mathcal{I}}(k^4)/S_2$ where $\mathcal{I}$ is defined by $(x_1-x_2,x_3-x_4)$

Published on 10 Jun 2012 - 18:41

score 558 · Answer 3 · 2012-10-28 11:50:58

558

Views

Are smooth relative curves over an arbitrary base normal?

Published on 28 Oct 2012 - 11:50

score 573 · Answer 4 · 2012-11-03 10:20:36

573

Views

Proj construction and fibered products

Published on 03 Nov 2012 - 10:20

score 585 · Answer 5 · 2012-12-18 22:16:07

585

Views

Dimension of the irreducible components of an affine open in $\mathbb{P}^n_k$.

Published on 18 Dec 2012 - 22:16

score 607 · Answer 6 · 2013-01-10 00:27:17

607

Views

Does the singular locus of a conical variety (or scheme) determine the singular locus of its projectivization?

Published on 10 Jan 2013 - 0:27

score 558 · Answer 7 · 2013-03-04 01:35:12

558

Views

A proof that every projective morphism is proper?

Published on 04 Mar 2013 - 1:35

score 775 · Answer 8 · 2013-03-23 20:01:01

775

Views

Showing that intersection multiplicity at a point is finite for prime divisors

Published on 23 Mar 2013 - 20:01

score 110 · Answer 9 · 2020-08-12 12:56:35

110

Views

Question concerning blowups: Closed immersion $\operatorname{Proj}(A+\mathfrak m+\mathfrak m^2+...)\rightarrow \operatorname{Spec}(A[T_1,...,T_n])$

Published on 12 Aug 2020 - 12:56

score 238 · Answer 10 · 2020-08-14 05:10:03

238

Views

Given a projective variety, finding another variety of appropriate dimension with empty intersection

Published on 14 Aug 2020 - 5:10

score 58 · Answer 11 · 2020-08-19 21:06:06

58

Views

Algebraic cycles on $ k $ -varieties.

Published on 19 Aug 2020 - 21:06

score 201 · Answer 12 · 2026-03-25 22:03:24

201

Views

Map to Proj of ring of sections

Published on 25 Mar 2026 - 22:03

score 565 · Answer 13 · 2026-03-25 22:03:33

565

Views

Divisor of a rational section in Ravi Vakil's notes

Published on 25 Mar 2026 - 22:03

score 431 · Answer 14 · 2020-09-15 17:39:53

431

Views

The structure sheaf on $\operatorname{Proj}S$

Published on 15 Sep 2020 - 17:39

score 45 · Answer 15 · 2020-09-29 02:27:15

45

Views

Uniqueness of Projective Spectra for Ideals with Fixed Degree Generators

Published on 29 Sep 2020 - 2:27

List Question

The variety associated to a polynomial ring with a particular grading

Understanding $Bl_{\mathcal{I}}(k^4)/S_2$ where $\mathcal{I}$ is defined by $(x_1-x_2,x_3-x_4)$

Are smooth relative curves over an arbitrary base normal?

Proj construction and fibered products

Dimension of the irreducible components of an affine open in $\mathbb{P}^n_k$.

Does the singular locus of a conical variety (or scheme) determine the singular locus of its projectivization?

A proof that every projective morphism is proper?

Showing that intersection multiplicity at a point is finite for prime divisors

Question concerning blowups: Closed immersion $\operatorname{Proj}(A+\mathfrak m+\mathfrak m^2+...)\rightarrow \operatorname{Spec}(A[T_1,...,T_n])$

Given a projective variety, finding another variety of appropriate dimension with empty intersection

Algebraic cycles on $ k $ -varieties.

Map to Proj of ring of sections

Divisor of a rational section in Ravi Vakil's notes

The structure sheaf on $\operatorname{Proj}S$

Uniqueness of Projective Spectra for Ideals with Fixed Degree Generators

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