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Definition of weil divisors

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#algebraic-geometry #schemes #divisors-algebraic-geometry
656
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What is the canonical meromorphic section $1_D$ of $\mathcal O_X(D)$?

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#algebraic-geometry #sheaf-theory #riemann-surfaces #divisors-algebraic-geometry #meromorphic-functions
46
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Gloabal and Local data on Singular Varieties

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#algebraic-geometry #sheaf-cohomology #singularity-theory #blowup #divisors-algebraic-geometry
380
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Katz-Mazur chapter 1 AG questions

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#algebraic-geometry #algebraic-curves #sheaf-theory #divisors-algebraic-geometry
113
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Any degree $2$ divisor on genus $1$ curve moves in a pencil

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#algebraic-geometry #divisors-algebraic-geometry
1.2k
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Genus of a Curve - Riemann-Roch

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#algebraic-geometry #algebraic-curves #elliptic-curves #valuation-theory #divisors-algebraic-geometry
42
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When the coefficients can be rational?

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#algebraic-geometry #algebraic-curves #fiber-bundles #divisors-algebraic-geometry
283
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Is it true that if the anticanonical divisor has positive self-intersection then it is ample?

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#algebraic-geometry #surfaces #divisors-algebraic-geometry
271
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Least degree of positive part in degree zero divisor class on compact Riemann surfaces

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#algebraic-geometry #algebraic-curves #riemann-surfaces #divisors-algebraic-geometry
814
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Simple normal crossings divisor and locally monomial functions

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#algebraic-geometry #divisors-algebraic-geometry
912
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Elementary reason why an effective canonical divisor is a hyperplane section

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#algebraic-geometry #algebraic-curves #divisors-algebraic-geometry
62
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How to interpret the linear system associated to $\mathcal{L}^{\otimes j}$ for $\mathcal{L}$ ample and as $j\to\infty$

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#algebraic-geometry #divisors-algebraic-geometry
220
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Hyperelliptic surface: linear equivalence of divisors

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#algebraic-geometry #riemann-surfaces #divisors-algebraic-geometry
260
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Divisor is the difference of effective divisor

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#algebraic-geometry #divisors-algebraic-geometry
221
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Estimate about the big divisor

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#algebraic-geometry #algebraic-curves #divisors-algebraic-geometry

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