Question

Do we have $\mathcal O_{\operatorname{Proj}S}(\operatorname{Proj}S)=S_0$?

score 44 · Answer 1 · 2026-04-15 14:27:22

44

Views

Do we have $\mathcal O_{\operatorname{Proj}S}(\operatorname{Proj}S)=S_0$?

Published on 15 Apr 2026 - 14:27

score 77 · Answer 2 · 2026-04-14 18:13:46

77

Views

Free right resolution?

Published on 14 Apr 2026 - 18:13

score 118 · Answer 3 · 2026-04-11 11:11:46

118

Views

Some question about algebraic group and Lie algebra action.

Published on 11 Apr 2026 - 11:11

score 137 · Answer 4 · 2026-04-15 21:16:13

137

Views

Is there a differentiable surjective map from $\mathbb{Q}^m$ to $\mathbb{Q}^n$ where $n>m$?

Published on 15 Apr 2026 - 21:16

score 567 · Answer 5 · 2026-03-27 13:42:43

567

Views

Definition of scheme-theoretic multiplicity

Published on 27 Mar 2026 - 13:42

score 68 · Answer 6 · 2026-04-14 01:29:55

68

Views

Vanishing of $H^n(X,\mathcal F)$ for $X$ non-proper

Published on 14 Apr 2026 - 1:29

score 188 · Answer 7 · 2026-04-13 23:47:18

188

Views

Show that $\text{Spec }A^G$ is the quotient of the affine scheme $\text{Spec }A$ by a finite subgroup of automorphisms $G$

Published on 13 Apr 2026 - 23:47

score 164 · Answer 8 · 2026-04-17 04:23:35

164

Views

$\operatorname{Spec} k[x_1,...,x_n]/(f(x_1,...,x_n))$ for$ f(x_1,...,x_n)$ irreducible are all homeomorphic?

Published on 17 Apr 2026 - 4:23

score 76 · Answer 9 · 2026-04-17 00:30:43

76

Views

Do we have $(gf)^\mathcal F=f^(g^*\mathcal F)$?

Published on 17 Apr 2026 - 0:30

score 53 · Answer 10 · 2026-04-16 13:19:55

53

Views

Is $i^*(\mathcal O_{\mathrm P_S^m}(1))$ an invertible $\mathcal O_X$-module?

Published on 16 Apr 2026 - 13:19

score 492 · Answer 11 · 2026-04-15 10:45:26

492

Views

Schemes and Varieties

Published on 15 Apr 2026 - 10:45

score 102 · Answer 12 · 2026-03-25 06:19:25

102

Views

Do we have $\mathcal O_X(1)(X)=S_1$?

Published on 25 Mar 2026 - 6:19

score 199 · Answer 13 · 2026-03-25 06:24:30

199

Views

Do we have $\mathit\Gamma_*(\mathcal O_X)\cong S$?

Published on 25 Mar 2026 - 6:24

score 67 · Answer 14 · 2026-04-14 21:05:50

67

Views

Lifting of $K$-valued Points $X(K)$ over Valuation Ring $\mathcal{O}$

Published on 14 Apr 2026 - 21:05

score 149 · Answer 15 · 2026-04-08 19:25:06

149

Views

Do we have $\text{Proj} A[X] = \text{Spec} A$?

Published on 08 Apr 2026 - 19:25

List Question

Do we have $\mathcal O_{\operatorname{Proj}S}(\operatorname{Proj}S)=S_0$?

Free right resolution?

Some question about algebraic group and Lie algebra action.

Is there a differentiable surjective map from $\mathbb{Q}^m$ to $\mathbb{Q}^n$ where $n>m$?

Definition of scheme-theoretic multiplicity

Vanishing of $H^n(X,\mathcal F)$ for $X$ non-proper

Show that $\text{Spec }A^G$ is the quotient of the affine scheme $\text{Spec }A$ by a finite subgroup of automorphisms $G$

$\operatorname{Spec} k[x_1,...,x_n]/(f(x_1,...,x_n))$ for$ f(x_1,...,x_n)$ irreducible are all homeomorphic?

Do we have $(gf)^\mathcal F=f^(g^*\mathcal F)$?

Is $i^*(\mathcal O_{\mathrm P_S^m}(1))$ an invertible $\mathcal O_X$-module?

Schemes and Varieties

Do we have $\mathcal O_X(1)(X)=S_1$?

Do we have $\mathit\Gamma_*(\mathcal O_X)\cong S$?

Lifting of $K$-valued Points $X(K)$ over Valuation Ring $\mathcal{O}$

Do we have $\text{Proj} A[X] = \text{Spec} A$?

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