Sumários

Lecture 8

22 Abril 2020, 10:30 Davide Masoero

Review of first 7 lectures.
The zero-curvature representation of KP and KdV


Lecture 7

15 Abril 2020, 10:30 Davide Masoero

Solution of Jacobi's inverse problem by theta functions
The divisor class group of degree 0 is isomorphic to Jac(X) x Z
Complex structure on the symmetric product of a Riemann surface
Critical points of Abel map as special divisors



Divisors ann Riemann-Roch Theorem

1 Abril 2020, 10:30 Davide Masoero

Definition of Divisor, principal divisors, effective divisors, degree, Divisor Class Group, Canonical Class
Classification of Divisors on the sphere
Proof of the Riemann-Roch Theorem
Consequences: genus 1 surfaces are isomorphic to an elliptic curve



Differentials and Jacobian variety

25 Março 2020, 10:30 Davide Masoero

Definition of meromorphic and holomorphic differentials
The space of holomorphic differentials
Singular homology of a Riemann Surface
Riemann's bilinear relations
The Riemann matrix
The Abel's theorem

Explicit formulas of holomorphic differentials on the normalisation of an affine plane curve, by means of Newton's diagram techniques


Theta functions

18 Março 2020, 10:30 Davide Masoero

Siegel upper half space
Space of theta functions of weight m, m greater or equal than 1
Theta functions with characteristics
Theta functions in dimension 1