Question

$\int_H c_1 (\mathcal O_{\mathbb P^2(k)}|_H)$, integral of restriction of Chern class to a projective hypersurface

score 134 · Answer 1 · 2026-03-25 06:13:03

134

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$\int_H c_1 (\mathcal O_{\mathbb P^2(k)}|_H)$, integral of restriction of Chern class to a projective hypersurface

Published on 25 Mar 2026 - 6:13

score 250 · Answer 2 · 2026-03-25 13:54:46

250

Views

If $A$ is reduced, Spec $A$ has no embedded points (How to use the hints)

Published on 25 Mar 2026 - 13:54

score 682 · Answer 3 · 2018-05-21 13:58:45

682

Views

Hartshorne Exercise I.3.5.: $\mathbb{P}^n - H$ (a degree $d$ hyperplane) is affine

Published on 21 May 2018 - 13:58

score 1k · Answer 4 · 2018-05-21 14:59:44

1k

Views

Show that coordinate ring of $X = \mathbb{A}^2 - \{(0, 0)\}$ is isomorphic to $k[x, y]$

Published on 21 May 2018 - 14:59

score 88 · Answer 5 · 2018-05-21 15:10:27

88

Views

The consequence of Riemann surface ring of meromorphic functions having transcendence degree 1 over $C$

Published on 21 May 2018 - 15:10

score 111 · Answer 6 · 2026-03-26 08:05:04

111

Views

Topology of a hypersurface complement

Published on 26 Mar 2026 - 8:05

score 162 · Answer 7 · 2026-03-31 16:34:50

162

Views

Disjoint Union Basic-Closed Semialgebraic Sets

Published on 31 Mar 2026 - 16:34

score 47 · Answer 8 · 2018-05-21 19:52:32

47

Views

$\Omega(X)$ space of homolomorphic $1$-forms over Riemann surface $X$, $H_a=\{\omega\in\Omega(X):\omega(a)=0\}$. Then $\dim(H_a)=g$ or $g-1$

Published on 21 May 2018 - 19:52

score 332 · Answer 9 · 2026-03-25 19:03:27

332

Views

One-dimensional Sheaves and Pushforwards of Vector Bundles

Published on 25 Mar 2026 - 19:03

score 130 · Answer 10 · 2026-03-27 01:22:44

130

Views

Vanishing Cohomology Groups

Published on 27 Mar 2026 - 1:22

score 92 · Answer 11 · 2026-03-25 18:00:15

92

Views

Computing $\pi_{et}(X,x)^{\operatorname{ab}}$

Published on 25 Mar 2026 - 18:00

score 104 · Answer 12 · 2026-03-27 15:05:24

104

Views

Criterion of separatedness and propernesss

Published on 27 Mar 2026 - 15:05

score 34 · Answer 13 · 2018-05-22 15:38:30

34

Views

do branched covers have $C^{*}$-actions?

Published on 22 May 2018 - 15:38

score 225 · Answer 14 · 2026-03-26 01:07:55

225

Views

Cohomology class of a meromorphic differential form

Published on 26 Mar 2026 - 1:07

score 179 · Answer 15 · 2026-03-20 08:18:15

179

Views

Is intersection with the power of a polarization injective on the Chow Ring?

Published on 20 Mar 2026 - 8:18

List Question

$\int_H c_1 (\mathcal O_{\mathbb P^2(k)}|_H)$, integral of restriction of Chern class to a projective hypersurface

If $A$ is reduced, Spec $A$ has no embedded points (How to use the hints)

Hartshorne Exercise I.3.5.: $\mathbb{P}^n - H$ (a degree $d$ hyperplane) is affine

Show that coordinate ring of $X = \mathbb{A}^2 - \{(0, 0)\}$ is isomorphic to $k[x, y]$

The consequence of Riemann surface ring of meromorphic functions having transcendence degree 1 over $C$

Topology of a hypersurface complement

Disjoint Union Basic-Closed Semialgebraic Sets

$\Omega(X)$ space of homolomorphic $1$-forms over Riemann surface $X$, $H_a=\{\omega\in\Omega(X):\omega(a)=0\}$. Then $\dim(H_a)=g$ or $g-1$

One-dimensional Sheaves and Pushforwards of Vector Bundles

Vanishing Cohomology Groups

Computing $\pi_{et}(X,x)^{\operatorname{ab}}$

Criterion of separatedness and propernesss

do branched covers have $C^{*}$-actions?

Cohomology class of a meromorphic differential form

Is intersection with the power of a polarization injective on the Chow Ring?

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