List questions from birational-geometry

Published on 25 Mar 2026 - 23:38

72

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Equivalence between the definitions of birationally trivial variety

Published on 12 Feb 2021 - 14:34

42

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Birational self-maps of spheres

Published on 16 Feb 2021 - 22:53

84

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Do the genus, codimension and projective space weights determine a Fano threefold?

Published on 18 Feb 2021 - 23:34

55

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Projective varieties with an affine space as an open in them .

Published on 19 Feb 2021 - 19:41

161

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Doubt in my proof of Hartshorne I (4.7).

Published on 27 Feb 2021 - 22:12

42

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Demailly Campana Peternell Conjecture for isolated singularities.

Published on 01 Mar 2021 - 16:54

148

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Blowing up a point at $S^6$ and $\mathbb {CP}^3$

Published on 15 Mar 2021 - 15:49

190

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Showing $f_*\mathcal{O}_Y(E) = \mathcal{O}_X$ if and only if $E$ is effective.

Published on 25 Mar 2021 - 16:16

59

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Open neighborhoods on the blow-up of projective space.

Published on 26 Mar 2021 - 6:31

74

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rational cubic space curves with singularities

Published on 29 Mar 2021 - 9:43

46

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binational map keeps smoothness?

Published on 01 Apr 2021 - 23:08

44

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bijection between the set of birational maps and the set of k-algebra homomorphisms

Published on 05 Apr 2021 - 4:09

391

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Is an irreducible affine variety isomorphic to some affine hypersurface?

Published on 21 Apr 2021 - 19:34

33

Views

Regularizing rational morphisms.

Published on 22 Apr 2021 - 20:05

List Question

How can I use Grothendieck--Riemann--Roch theorem?

Equivalence between the definitions of birationally trivial variety

Birational self-maps of spheres

Do the genus, codimension and projective space weights determine a Fano threefold?

Projective varieties with an affine space as an open in them .

Doubt in my proof of Hartshorne I (4.7).

Demailly Campana Peternell Conjecture for isolated singularities.

Blowing up a point at $S^6$ and $\mathbb {CP}^3$

Showing $f_*\mathcal{O}_Y(E) = \mathcal{O}_X$ if and only if $E$ is effective.

Open neighborhoods on the blow-up of projective space.

rational cubic space curves with singularities

binational map keeps smoothness?

bijection between the set of birational maps and the set of k-algebra homomorphisms

Is an irreducible affine variety isomorphic to some affine hypersurface?

Regularizing rational morphisms.

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