List questions from algebraic-geometry

Published on 26 Mar 2026 - 0:52

228

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$Hom(\mathscr{O}_U,\mathscr{I})=\mathscr I(U)$

Published on 25 Mar 2026 - 3:00

278

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General twisted cubics

Published on 20 Mar 2026 - 6:02

299

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Is it true that every isomorphism of hypersurface can be lifted to ambient projective space?

Published on 19 Feb 2018 - 16:13

88

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Suppose that $X$ is a sub affine variety of $Y$ , and let $φ : X \to Y$ be the inclusion. Prove that $φ^*$ is surjective...

Published on 20 Mar 2026 - 1:43

73

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Abelian algebraic groups?

Published on 25 Mar 2026 - 11:08

885

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Applications of Chern class to gauge theories in physics

Published on 23 Mar 2026 - 9:39

571

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Brauer group of global fields

Published on 17 Mar 2026 - 22:11

5.5k

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How is Category Theory used to study differential equations?

Published on 27 Mar 2026 - 11:24

485

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Second Chern class classifies rank $r$ vector bundle over $S^4$?

Published on 20 Feb 2018 - 12:00

147

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Normal bundle of a curve in a quadric

Published on 20 Feb 2018 - 12:43

59

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On a regular surface, curves are locally cut out by one function

Published on 25 Mar 2026 - 9:24

903

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Radical Ideal in the Coordinate Ring is Intersection of Maximal Ideals

Published on 25 Mar 2026 - 13:33

225

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Is any infinitesimal extension of an affine scheme affine?

Published on 19 Mar 2026 - 23:29

308

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Genus of intersection of two quadrics

Published on 21 Feb 2018 - 14:53

List Question

Equivalent formulations of Hilbert's Nullstellensatz

$Hom(\mathscr{O}_U,\mathscr{I})=\mathscr I(U)$

General twisted cubics

Is it true that every isomorphism of hypersurface can be lifted to ambient projective space?

Suppose that $X$ is a sub affine variety of $Y$ , and let $φ : X \to Y$ be the inclusion. Prove that $φ^*$ is surjective...

Abelian algebraic groups?

Applications of Chern class to gauge theories in physics

Brauer group of global fields

How is Category Theory used to study differential equations?

Second Chern class classifies rank $r$ vector bundle over $S^4$?

Normal bundle of a curve in a quadric

On a regular surface, curves are locally cut out by one function

Radical Ideal in the Coordinate Ring is Intersection of Maximal Ideals

Is any infinitesimal extension of an affine scheme affine?

Genus of intersection of two quadrics

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