List questions from blowup

Published on 05 Apr 2022 - 8:39

36

Views

Resolution of $(f=0)$ where $f(x,y,z)=x^ay+y^az+\omega z^ax$

Published on 17 Apr 2022 - 4:44

134

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Hartshorne Theorem II.7.17 - Why is $\mathscr{I} \to \mathscr{M}^{-dn}f_*\mathscr{L}^d$ injective?

Published on 18 May 2022 - 3:29

307

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Is the Exceptional Divisor of a Blow-up of a Variety at a point isomorphic to projective space?

Published on 10 Jun 2022 - 2:57

313

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Blow-up of 3-dimensional affine space through the line $x_1=x_2=0$.

Published on 19 Jun 2022 - 3:15

105

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Desingularization of the standard Cremona involution of $\mathbb P^2$.

Published on 26 Mar 2026 - 15:17

223

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Blowing Up the Indeterminancy Locus - Why is this sheaf invertible?

Published on 26 Mar 2026 - 15:17

31

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Extendability of a solution of a IVP

Published on 09 Jul 2022 - 0:04

111

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How to show $x_0^2+x_1^2+x_2^2=0 \subset \mathbb{CP}^2 \iff \mathbb{CP}^1$

Published on 26 Jul 2022 - 9:48

112

Views

Picard groups of blow-up

Published on 29 Jul 2022 - 17:25

202

Views

Properness of the blow ups of arithmetic schemes

Published on 04 Aug 2022 - 1:11

146

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Relation between exceptional divisor and tangent directions

Published on 26 Mar 2026 - 15:16

104

Views

Blowing up of a singular subvariety

Published on 16 Sep 2022 - 16:57

149

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Dependence of strict transform on the subscheme along which we blow up

Published on 18 Sep 2022 - 17:23

272

Views

Blow-up of a Pencil of Cubic Curves (Miranda's basic theory of elliptic surfaces)

Published on 17 Oct 2022 - 14:10

List Question

The Jacobian ideal under Blow up

Resolution of $(f=0)$ where $f(x,y,z)=x^ay+y^az+\omega z^ax$

Hartshorne Theorem II.7.17 - Why is $\mathscr{I} \to \mathscr{M}^{-dn}f_*\mathscr{L}^d$ injective?

Is the Exceptional Divisor of a Blow-up of a Variety at a point isomorphic to projective space?

Blow-up of 3-dimensional affine space through the line $x_1=x_2=0$.

Desingularization of the standard Cremona involution of $\mathbb P^2$.

Blowing Up the Indeterminancy Locus - Why is this sheaf invertible?

Extendability of a solution of a IVP

How to show $x_0^2+x_1^2+x_2^2=0 \subset \mathbb{CP}^2 \iff \mathbb{CP}^1$

Picard groups of blow-up

Properness of the blow ups of arithmetic schemes

Relation between exceptional divisor and tangent directions

Blowing up of a singular subvariety

Dependence of strict transform on the subscheme along which we blow up

Blow-up of a Pencil of Cubic Curves (Miranda's basic theory of elliptic surfaces)

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