21

Questions

votes newest views recent

14

29

votes

10

answers

2k

views

Which ‘well-known’ algebraic geometric results do not hold in characteristic 2?

ag.algebraic-geometry projective-geometry divisors algebraic-curves characteristic-p

jul 8 11 at 17:09 Torsten Ekedahl 18k●1●42●68

6

5

votes

2

answers

2k

views

The canonical line bundle of a normal variety

ag.algebraic-geometry toric-varieties calabi-yau divisors reference-request

oct 13 at 1:36 Sándor Kovács 23.8k●2●53●73

4

10

votes

2

answers

1k

views

Elementary short exact sequence of sheaves

short-exact-sequences ag.algebraic-geometry sheaf-theory divisors singularity-theory

jan 26 12 at 14:22 diverietti 3,310●6●18

5

16

votes

3

answers

903

views

Intuitive pictures in characteristic p

ag.algebraic-geometry characteristic-p soft-question popularization intuition

dec 22 at 4:23 Brian Rushton 1,317●4●19

3

8

votes

2

answers

773

views

Graph of dependencies from a Latex file [closed]

latex soft-question mathematical-software writing

jan 6 12 at 8:19 Andrew Stacey 16.1k●1●40●115

3

2

votes

2

answers

748

views

Generalisations of Riemann-Roch for surfaces

projective-geometry ag.algebraic-geometry complex-geometry algebraic-surfaces divisors

aug 10 11 at 8:13 Jesus Martinez Garcia 1,167●5●15

3

4

votes

4

answers

714

views

Are all parametrizations via polynomials algebraic varieties?

ag.algebraic-geometry ra.rings-and-algebras polynomials

sep 22 10 at 14:30 JRJ 11●2

2

2

votes

4

answers

675

views

Examples of divisors on an analytical manifold

ag.algebraic-geometry divisors reference-request examples

dec 9 09 at 8:21 Csar Lozano Huerta 1,383●8●22

1

1

vote

1

answer

639

views

Ringed and locally ringed spaces

examples sheaf-theory ag.algebraic-geometry schemes

sep 10 10 at 18:11 S. Carnahan♦ 26k●41●91

2

3

votes

2

answers

555

views

Bertini’s Theorem small print

ag.algebraic-geometry algebraic-surfaces divisors

oct 21 at 21:09 rita 4,752●1●9●25