y^2 = x^3 - x


Curves
    We plan to meet for a problem session on Tuesdays at 2:30 pm and for lectures on Thursdays at 2:30 pm (both in E406). Here is a tentative schedule for reading chapter 4 of Hartshorne during Spring 2025:

    Date Plan Speaker
    January 14: Review of Weil divisors, class group, examples Nat
    January 21: Cancelled due to weather/campus closure
    January 28: Cartier divisors, invertible sheaves Nat
    February 4: Relative differentials, canonical sheaf, Riemann-Roch Matthew
    February 13: Hurwitz's Theorem Akash
    February 20: Embeddings in proj space pt 1 Nat
    February 27: Embeddings in proj space pt 2 Matthew
    March 6: Elliptic curves: j-invariant Sean
    March 20: Elliptic curves: group structure, jacobian variety Akash
    March 27: Elliptic curves: elliptic functions Nat
    April 3: Elliptic curves: Hasse invariant, rational points Nat
    April 10: The cannonical embedding, classification of curves ???
    April 17: Classification of curves in P^3 ???
    April 24: Geometry on a surface ???
    May 1: Ruled surfaces ???