List questions from schemes

Published on 22 Jul 2012 - 1:42

581

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Closure of image of diagonal morphism of S-scheme

Published on 24 Jul 2012 - 21:14

1k

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"Push-Pull" Morphisms of Higher Direct Image Sheaves

Published on 27 Jul 2012 - 10:50

267

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Is reducedness an open condition?

Published on 01 Aug 2012 - 23:08

6.3k

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Intuition for étale morphisms

Published on 02 Aug 2012 - 17:55

996

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Reference-Request: Symmetric Product Schemes

Published on 03 Aug 2012 - 17:00

192

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Torsor whose ring of function is a field

Published on 04 Aug 2012 - 15:37

3.7k

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Varieties as schemes

Published on 09 Apr 2026 - 4:59

194

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Equivalence of properties defining unramified morphisms

Published on 11 Aug 2012 - 4:23

1.3k

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Fibres in algebraic geometry: multiplicity

Published on 02 Apr 2026 - 21:36

1.5k

Views

Checking flat- and smoothness: enough to check on closed points?

Published on 15 Aug 2012 - 10:46

2.5k

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(Continued:) finiteness of étale morphisms

Published on 15 Aug 2012 - 10:54

4.5k

Views

Why should faithfully flat descent preserve so many properties?

Published on 26 Aug 2012 - 11:12

1.4k

Views

Proving that $\operatorname{Pic}^0(X) \times \operatorname{Pic}^0(Y) \cong \operatorname{Pic}^0(X \times Y)$

Published on 01 Sep 2012 - 14:38

1.4k

Views

Quasi-coherent sheaves, schemes, and the Gabriel-Rosenberg theorem

Published on 26 Mar 2026 - 12:53

List Question

morphism from a local ring of a scheme to the scheme

Closure of image of diagonal morphism of S-scheme

"Push-Pull" Morphisms of Higher Direct Image Sheaves

Is reducedness an open condition?

Intuition for étale morphisms

Reference-Request: Symmetric Product Schemes

Torsor whose ring of function is a field

Varieties as schemes

Equivalence of properties defining unramified morphisms

Fibres in algebraic geometry: multiplicity

Checking flat- and smoothness: enough to check on closed points?

(Continued:) finiteness of étale morphisms

Why should faithfully flat descent preserve so many properties?

Proving that $\operatorname{Pic}^0(X) \times \operatorname{Pic}^0(Y) \cong \operatorname{Pic}^0(X \times Y)$

Quasi-coherent sheaves, schemes, and the Gabriel-Rosenberg theorem

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