List questions from birational-geometry

Published on 31 May 2016 - 15:37

1.1k

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Derived pushforward of exceptional divisors

Published on 05 Jun 2016 - 3:04

82

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Obtaining a nice map to a curve by using blowups

Published on 09 Jun 2016 - 17:48

444

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How is a dominant rational map well-defined?

Published on 29 Jun 2016 - 0:15

133

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Why there are countably many families of rational cuves on a projective variety?

Published on 08 Oct 2013 - 0:26

430

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Characterizing the domain of definition of a rational map in terms of the function field homomorphism

Published on 10 Oct 2013 - 23:32

215

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For this morphism of integral schemes $X\to Y$, if $X$ is geometrically reduced (irreducible) then is $Y$ also geometrically reduced (irreducible)?

Published on 16 Dec 2013 - 10:45

2.3k

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How do people define flop?

Published on 24 Jan 2014 - 2:11

507

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Del Pezzo surface of degree $4$

Published on 31 Jan 2014 - 17:33

503

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Cubic surface and birational equivalence

Published on 04 Feb 2014 - 10:40

750

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Prove that a curve in P^n of degree n not contained in a hyperplane is rational

Published on 14 Feb 2014 - 13:07

288

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What's going on with the points where this birational map isn't regular?

Published on 16 Feb 2014 - 23:31

779

Views

Linear systems and rational maps

Published on 18 Feb 2014 - 14:30

131

Views

Proof of Castalnuovo's rationality criterion

Published on 06 Mar 2014 - 21:06

167

Views

Bend and break, the breaking part

Published on 16 May 2017 - 8:51

List Question

Varieties are isomorphism

Derived pushforward of exceptional divisors

Obtaining a nice map to a curve by using blowups

How is a dominant rational map well-defined?

Why there are countably many families of rational cuves on a projective variety?

Characterizing the domain of definition of a rational map in terms of the function field homomorphism

For this morphism of integral schemes $X\to Y$, if $X$ is geometrically reduced (irreducible) then is $Y$ also geometrically reduced (irreducible)?

How do people define flop?

Del Pezzo surface of degree $4$

Cubic surface and birational equivalence

Prove that a curve in P^n of degree n not contained in a hyperplane is rational

What's going on with the points where this birational map isn't regular?

Linear systems and rational maps

Proof of Castalnuovo's rationality criterion

Bend and break, the breaking part

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