* Ross Richardson will speak in the graduate student research seminar
on Wednesday about "The Sigma function of a graph". This talk is partly
about how to draw graphs and looks very interesting. I will provide
pizza and sodas. 7218 on Wed at 1pm.
* Midterm: there will be a *short* take-home midterm given next monday
and due wednesday; it will only be over elliptic curve (not modular
forms). You should spend about 2 hours on it.
* My congruent number program that I handed out last week sucked. Through
it away and replace it by this new one.
* Explain solution to y^2 = x^3 + 1 problem.
* Congruent numbers today.