List questions from projective-schemes

Published on 14 Mar 2026 - 15:33

1.5k

Views

Usefulness of the notion of Hilbert scheme in algebraic geometry.

Published on 21 Mar 2026 - 21:49

235

Views

Question about proof that the Grassmannian is a parameter space

Published on 19 Mar 2016 - 18:23

1.8k

Views

Maps to $\mathbb{P}^1$ induced by rational functions.

Published on 22 Mar 2016 - 17:14

572

Views

Is the Grassmannian bundle projective?

Published on 23 Mar 2016 - 15:15

1.1k

Views

Projective bundle of a sum of ample line bundles

Published on 01 May 2016 - 0:12

289

Views

Well-definedness of homogeneous coordinate ring of projective scheme

Published on 30 May 2016 - 4:54

605

Views

Compactness of the complex points of a $\mathbb{C}$-variety

Published on 04 Apr 2013 - 8:04

330

Views

Radical of prime ideal in homogeneous localization is prime

Published on 13 Jun 2013 - 17:35

594

Views

Why are projective spaces over a ring of different dimensions non-isomorphic?

Published on 19 Jun 2013 - 2:03

333

Views

Why are projective schemes $\mathbb P_A^n$ over a ring not affine for $n>1$?

Published on 19 Jun 2013 - 16:11

561

Views

Why do these two constructions of a sheaf associated to a module on a projective scheme agree?

Published on 05 Jul 2013 - 4:57

1k

Views

Computing Kähler differentials on $\mathbb P^1_A$ (What did Liu intend?)

Published on 10 Jul 2013 - 5:43

1.8k

Views

When are complete intersections also local complete intersections?

Published on 13 Jul 2013 - 8:56

248

Views

How does Liu intend his readers to compute $H^0(X,\Omega^1_{X/k})$ of this scheme?

Published on 16 Jul 2013 - 18:05

List Question

Relation between stalks of twisted sheaf and structure sheaf

Usefulness of the notion of Hilbert scheme in algebraic geometry.

Question about proof that the Grassmannian is a parameter space

Maps to $\mathbb{P}^1$ induced by rational functions.

Is the Grassmannian bundle projective?

Projective bundle of a sum of ample line bundles

Well-definedness of homogeneous coordinate ring of projective scheme

Compactness of the complex points of a $\mathbb{C}$-variety

Radical of prime ideal in homogeneous localization is prime

Why are projective spaces over a ring of different dimensions non-isomorphic?

Why are projective schemes $\mathbb P_A^n$ over a ring not affine for $n>1$?

Why do these two constructions of a sheaf associated to a module on a projective scheme agree?

Computing Kähler differentials on $\mathbb P^1_A$ (What did Liu intend?)

When are complete intersections also local complete intersections?

How does Liu intend his readers to compute $H^0(X,\Omega^1_{X/k})$ of this scheme?

Trending Questions

Popular # Hahtags

Popular Questions