Question

algebraic de Rham cohomology of blowup of relative line

score 102 · Answer 1 · 2026-05-10 20:44:06

102

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algebraic de Rham cohomology of blowup of relative line

Published on 10 May 2026 - 20:44

score 256 · Answer 2 · 2026-04-09 17:05:19

256

Views

Resolving indeterminacy of map on projective spaces induced by a linear map

Published on 09 Apr 2026 - 17:05

score 621 · Answer 3 · 2026-03-25 14:23:50

621

Views

Blowing up the whitney umbrella over the z-axis

Published on 25 Mar 2026 - 14:23

score 725 · Answer 4 · 2026-05-11 02:50:28

725

Views

Why the exceptional divisor of blowup of $\{x^2+yt=0\}$ has multiplicity one (but not two)?

Published on 11 May 2026 - 2:50

score 303 · Answer 5 · 2026-03-25 14:26:10

303

Views

Why does a blowup of $\mathbb{A}^2$ about the origin result in the Möbius band?

Published on 25 Mar 2026 - 14:26

score 222 · Answer 6 · 2026-03-25 14:25:08

222

Views

Closure of the pre-image of the closed subscheme of a blow-up gives the whole blow-up?

Published on 25 Mar 2026 - 14:25

score 758 · Answer 7 · 2026-05-11 00:27:09

758

Views

Relation between tautological line bundle and blow up at the origin

Published on 11 May 2026 - 0:27

score 657 · Answer 8 · 2026-04-14 03:53:57

657

Views

Blow-up of a point on a smooth simply connected variety

Published on 14 Apr 2026 - 3:53

score 482 · Answer 9 · 2026-04-14 13:29:04

482

Views

The blow-up of the point at infinity on an imaginary hyperelliptic curve

Published on 14 Apr 2026 - 13:29

score 684 · Answer 10 · 2026-05-11 05:07:43

684

Views

blow-ups of subvarieties $Y_1,Y_2$ are disjoint in the blow-up at the ideal $I(Y_1)+I(Y_2)$

Published on 11 May 2026 - 5:07

score 742 · Answer 11 · 2026-04-17 07:32:15

742

Views

Blow up $\{x_1^4+x_2^2+x_3^2+x_4^2=0\}\subset\mathbb{C}^4$ twice at the origin

Published on 17 Apr 2026 - 7:32

score 151 · Answer 12 · 2026-04-13 23:45:55

151

Views

Why is the intersection of four generic cubics in $\mathbb{P}^2$ six points?

Published on 13 Apr 2026 - 23:45

score 1.3k · Answer 13 · 2026-04-11 07:34:39

1.3k

Views

Blow up of cone over quadric surface

Published on 11 Apr 2026 - 7:34

score 373 · Answer 14 · 2026-05-11 00:48:32

373

Views

By excision and Thom isomorphism....

Published on 11 May 2026 - 0:48

score 122 · Answer 15 · 2026-04-15 23:03:16

122

Views

$\mathcal{O}_X/\mathfrak{m}_p$ and $\mathfrak{m}_p/\mathfrak{m}_p^2$ - quotients by ideals of points in $\mathbb{P}^2$

Published on 15 Apr 2026 - 23:03

List Question

algebraic de Rham cohomology of blowup of relative line

Resolving indeterminacy of map on projective spaces induced by a linear map

Blowing up the whitney umbrella over the z-axis

Why the exceptional divisor of blowup of $\{x^2+yt=0\}$ has multiplicity one (but not two)?

Why does a blowup of $\mathbb{A}^2$ about the origin result in the Möbius band?

Closure of the pre-image of the closed subscheme of a blow-up gives the whole blow-up?

Relation between tautological line bundle and blow up at the origin

Blow-up of a point on a smooth simply connected variety

The blow-up of the point at infinity on an imaginary hyperelliptic curve

blow-ups of subvarieties $Y_1,Y_2$ are disjoint in the blow-up at the ideal $I(Y_1)+I(Y_2)$

Blow up $\{x_1^4+x_2^2+x_3^2+x_4^2=0\}\subset\mathbb{C}^4$ twice at the origin

Why is the intersection of four generic cubics in $\mathbb{P}^2$ six points?

Blow up of cone over quadric surface

By excision and Thom isomorphism....

$\mathcal{O}_X/\mathfrak{m}_p$ and $\mathfrak{m}_p/\mathfrak{m}_p^2$ - quotients by ideals of points in $\mathbb{P}^2$

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