List questions from divisors-algebraic-geometry

315

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any divisor of a projective non-singular irreducible curve is equivalent to an effective divisor minus a multiple of a point

Published on 22 Nov 2020 - 4:06

57

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Is the positive part of the Zariski decomposition of a big $\mathbb{R}$-divisor big?

Published on 22 Nov 2020 - 14:37

268

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Multiples of an effective degree 2 divisor on a hyperelliptic curve.

Published on 26 Mar 2026 - 7:58

205

Views

very ample divisors on curves using Riemann Roch Spaces

Published on 25 Nov 2020 - 18:20

189

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Preimage of Prime Divisors is finite union of Prime divisors

Published on 30 Nov 2020 - 9:12

90

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Commutativity of Intersection product

Published on 06 Dec 2020 - 16:27

66

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Primary decompositions and divisorial fractional ideals

Published on 17 Dec 2020 - 6:56

528

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When/why is a point on a curve an effective Cartier divisor?

Published on 20 Dec 2020 - 7:01

161

Views

Hartshorne Ⅱ prop 6.6, irreducible

Published on 21 Dec 2020 - 0:10

369

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inverse image of fiber product of scheme

Published on 23 Feb 2026 - 10:05

504

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Liu's "Algebraic Geometry and Arithmetic Curves" - Proposition 4.4. (Ch. 7) and Exercises 5.1.29 and 5.1.30

Published on 31 Dec 2020 - 16:07

106

Views

Are the numbers calculated from a log resolution birational invariants?

Published on 26 Mar 2026 - 7:33

159

Views

Proving that intersection number of divisor is 0

Published on 06 Jan 2021 - 16:08

954

Views

Question about algebraically equivalent divisors

Published on 08 Jan 2021 - 10:59

374

Views

Example of a Cartier divisor that cannot be written as the difference of effective divisors.

Published on 26 Mar 2026 - 12:36

List Question

any divisor of a projective non-singular irreducible curve is equivalent to an effective divisor minus a multiple of a point

Is the positive part of the Zariski decomposition of a big $\mathbb{R}$-divisor big?

Multiples of an effective degree 2 divisor on a hyperelliptic curve.

very ample divisors on curves using Riemann Roch Spaces

Preimage of Prime Divisors is finite union of Prime divisors

Commutativity of Intersection product

Primary decompositions and divisorial fractional ideals

When/why is a point on a curve an effective Cartier divisor?

Hartshorne Ⅱ prop 6.6, irreducible

inverse image of fiber product of scheme

Liu's "Algebraic Geometry and Arithmetic Curves" - Proposition 4.4. (Ch. 7) and Exercises 5.1.29 and 5.1.30

Are the numbers calculated from a log resolution birational invariants?

Proving that intersection number of divisor is 0

Question about algebraically equivalent divisors

Example of a Cartier divisor that cannot be written as the difference of effective divisors.

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