Category Archives: Talks

Shih’s Theorem

Posted on August 12, 2009 by Jim Stankewicz

Dear Readers, In spite of orals closing in a little more every day, I clearly haven’t been updating so much recently. I’d started a post about using Minkowski’s geometry of numbers to think about class numbers and unit groups and … Continue reading →

Posted in Curves, Talks, Uncategorized | Leave a comment

Quaternion Algebras and Modular Forms

Posted on April 22, 2009 by Jim Stankewicz

Dear readers, I know I promised a post  on modular curves, but I had to devote more time to my end of semester project. Since it’s strongly related to the topic of modular curves and I present on it tomorrow, … Continue reading →

Posted in Talks | 4 Comments

The Clemens Conjecture

Posted on February 1, 2009 by Charles Siegel

This is a draft of a talk I’m giving on Thursday, mostly going over the work of Katz in this paper. Let’s begin with an informal statement of the conjecture: Conjecture: For every positive integer , a general quintic hypersurface … Continue reading →

Posted in Algebraic Geometry, Curves, Enumerative Geometry, Hilbert Scheme, Intersection Theory, Talks | Leave a comment

Invariants of Finite Groups II

Posted on February 22, 2008 by Charles Siegel

Ok, here’s my second talk. This one went a bit heavier on the technical stuff, and is mostly out of Geometric Invariant Theory by Mumford and Fogarty (I have access to the second edition). At some point in my Algebraic … Continue reading →

Posted in Algebraic Geometry, Talks | Leave a comment

Invariants of Finite Groups I

Posted on February 12, 2008 by Charles Siegel

Here are my lecture notes for a talk I gave yesterday on invariants of finite groups in the graduate student algebra seminar here. Next week I’m talking about quotients of varieties by finite groups, and I’ll post those here as … Continue reading →

Posted in Algebraic Geometry, Talks | 3 Comments