List questions from toric-geometry

Published on 11 Apr 2026 - 14:00

106

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Toric Variety from a fan with "identical" edges

Published on 13 Apr 2026 - 23:16

207

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How to recognize a glueing

Published on 09 Apr 2026 - 11:48

262

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If a group scheme $G$ operates on another scheme $X$, how do you define orbits?

Published on 16 Apr 2026 - 15:48

393

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Finding a toric variety of a cone

Published on 14 Apr 2026 - 18:05

342

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A semigroup $\mathbb{N}\mathcal{A}$ is saturated in $M$ if and only if $\mathbb{N}\mathcal{A}=\text{Cone}(\mathcal{A})\cap M$

Published on 25 Mar 2026 - 17:34

72

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Which blowups are toric?

Published on 25 Mar 2026 - 17:31

173

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Chow group of UFD is trivial?

Published on 07 May 2026 - 10:27

206

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How does gluing of affine patches of toric varieties at the examples $\mathbb{P}^2$ and $\mathcal{H}_r$ work?

Published on 25 Mar 2026 - 17:33

97

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Intersection multiplicity on toric varieties using simplicial cones

Published on 10 May 2026 - 18:42

104

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Drawing the toric diagram for $\mathcal{L}^{m} \rightarrow T^{2}$ geometries.

Published on 25 Mar 2026 - 17:33

128

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Why is for an open subset $U\subset X$ of a variety the field of rational functions equal, i.e. $\mathbb{C}(U)=\mathbb{C}(X)$?

Published on 25 Mar 2026 - 17:33

44

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What is wrong with this proof of $\operatorname{Cl}(X_\Sigma) \simeq \mathbb{Z}^{r-n}$?

Published on 25 Mar 2026 - 17:33

93

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Chow group of disjoint union

Published on 25 Mar 2026 - 17:34

45

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Conditions for evaluation morphisms $H^{0}(X, -K_X) \rightarrow k^n$ to be surjective.

Published on 25 Mar 2026 - 17:34

List Question

Degree of Toric Divisors

Toric Variety from a fan with "identical" edges

How to recognize a glueing

If a group scheme $G$ operates on another scheme $X$, how do you define orbits?

Finding a toric variety of a cone

A semigroup $\mathbb{N}\mathcal{A}$ is saturated in $M$ if and only if $\mathbb{N}\mathcal{A}=\text{Cone}(\mathcal{A})\cap M$

Which blowups are toric?

Chow group of UFD is trivial?

How does gluing of affine patches of toric varieties at the examples $\mathbb{P}^2$ and $\mathcal{H}_r$ work?

Intersection multiplicity on toric varieties using simplicial cones

Drawing the toric diagram for $\mathcal{L}^{m} \rightarrow T^{2}$ geometries.

Why is for an open subset $U\subset X$ of a variety the field of rational functions equal, i.e. $\mathbb{C}(U)=\mathbb{C}(X)$?

What is wrong with this proof of $\operatorname{Cl}(X_\Sigma) \simeq \mathbb{Z}^{r-n}$?

Chow group of disjoint union

Conditions for evaluation morphisms $H^{0}(X, -K_X) \rightarrow k^n$ to be surjective.

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