List questions from birational-geometry

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Relative minimal surface and minimal surface in the algebraic geometry

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Two questions about discrete valuation rings of varieties

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What is the explicit birational isomorphism of $\mathbb{A}^1$ and $Z(y^2-x^3-x^2)$?

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How can every divisor be reached by a sequence of blow-ups?

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Are the images of flipping and flipped loci same?

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Blow-up of $\mathbb P^2$ in 2 points is isomorphic to blowup of quadric in 1 point

Published on 25 Mar 2015 - 15:51

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Is the preimage of the non-normal locus a divisor?

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544

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Global sections of a tangent sheaf of a blown-up surface.

Published on 03 Jun 2015 - 16:59

247

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Centers of divisorial valuations on toric varieties

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Standard Cremona Involution

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Question on a basic fact on algebraic geometry. Please answer true or false, and why?

Published on 14 Jul 2015 - 22:33

286

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How to show two varieties are NOT birationally equivalent?

Published on 18 Jul 2015 - 10:02

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What does "free morphism" mean in the context of moduli space of stable maps?

Published on 10 Sep 2015 - 15:06

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Proj construction in toric geometry

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List Question

Precomposing a rational function $f$ with a birational isomorphism $g$ to make $f\circ g$ regular?

Relative minimal surface and minimal surface in the algebraic geometry

Two questions about discrete valuation rings of varieties

What is the explicit birational isomorphism of $\mathbb{A}^1$ and $Z(y^2-x^3-x^2)$?

How can every divisor be reached by a sequence of blow-ups?

Are the images of flipping and flipped loci same?

Blow-up of $\mathbb P^2$ in 2 points is isomorphic to blowup of quadric in 1 point

Is the preimage of the non-normal locus a divisor?

Global sections of a tangent sheaf of a blown-up surface.

Centers of divisorial valuations on toric varieties

Standard Cremona Involution

Question on a basic fact on algebraic geometry. Please answer true or false, and why?

How to show two varieties are NOT birationally equivalent?

What does "free morphism" mean in the context of moduli space of stable maps?

Proj construction in toric geometry

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