This is a list of talks that I can remember giving. I have the notes for most of them buried somewhere.

Undergrad

• Hopf Galois structures for dihedral extensions. Summer 1998, informal seminar, SUNY Albany
• Hopf Galois structures for S_n extensions. Summer 1998, informal seminar, SUNY Albany
• Hopf Galois structures for non-abelian field extensions (poster presentation). January 16, 1999, AMS Undergrad Poster session, San Antonio joint meeting
• Crossing numbers of complete bipartite graphs. August 17, 1999, SURF summer research seminar, Caltech
• Equivalent formulations of Smale's conjecture. October 20, 2000, SURF summer research seminar, Caltech
• Hopf Galois structures. October 2000, Wales's class, Caltech
• Ramsey numbers. November 2000, Wales's class, Caltech
• Ordinary implies deRham. June 2001, Flach's class, Caltech

Grad

• The Koszul complex (part 2 of 3). September, 2001, Eisenbud's class
• Resolutions of complex surface singularities. December 4, 2001, Kirby's secret topology seminar, UCB
• A^1 homotopy. May 7, 2002, student algebraic geometry seminar, UCB
• Boson-fermion correspondence. December 9, 2002, informal student string theory seminar, UCB
• Eisenstein series. February 3, 2003, automorphic forms seminar, UCB
• The circle method. March 10, 2003, automorphic forms seminar, UCB
• Dieudonne modules and deRham cohomology. July 22, 2003, Mazur group, UCB
• How to build a monster. September 6, 2003, Many Cheerful Facts, UCB
• Positive definite binary quadratic forms. September 15, 2003, integral quadratic forms seminar, UCB
• Upper bounds for sphere packings (after Cohn and Elkies). November 10, 2003, integral quadratic forms seminar, UCB
• Arithmetic subgroups of SL_2 over a function field. December 4, 2003, Bartholdi's class, UCB
• Rationality of zeta. February 6, 2004, zeta functions seminar, UCB
• Rationality of zeta II. February 13, 2004, zeta functions seminar, UCB
• Rational points on X_{split}(N). February 24, 2004, Mazur group, UCB
• Bosonization on Riemann surfaces. March 1, 2004, informal student string theory seminar, UCB
• Instanton sums and monodromy. March 17, 2004, AWS working group talk, UT Austin
• Monsky-Washnitzer cohomology. April 9, 2004, zeta functions seminar, UCB
• Variation of Hodge structure. April 29, 2004, Shimura varieties seminar, UCB
• Variation of Hodge structure II. May 6, 2004, Shimura varieties seminar, UCB
• Affine Lie algebras and automorphic forms. July 21, 2004, summer unprepared ad hoc lecture series, UCB
• Monodromy and elliptic curves. August 5, 2004, Periods seminar, UCB
• Cohomology of manifolds varying in a family. August 9, 2004, Periods seminar, UCB
• Introduction to moonshine. October 1, 2004, Secret Russian seminar, UCB
• Riemann surfaces and Galois theory. October 27, 2004, student topology seminar, UCB
• Kac-Moody algebras for beginners. November 22, 2004, informal student string theory seminar, UCB
• Relativistic quantum mechanics. January 27, 2005, non-axiomatic quantum field theory seminar, UCB
• Langlands to geometric Langlands. February 28, 2005, Workshop on geometric Langlands program, Talbot 2005 (North Conway, NH)
• Moonshine for Beginners. August 31, 2005, Many Cheerful Facts, UCB
• Higher Torsion Invariants I. March 3, 2006, Workshop on automorphisms of manifolds, Talbot 2006 (North Conway, NH)
• I don't understand conformal blocks. October 17, 2006, Student representation theory seminar, UCB
• Spectral group schemes and oriented spectral elliptic curves. November 30, 2006, Derived algebraic geometry and topology seminar, UCB
• Monstrous Lie algebras and generalized moonshine. December 4, 2006, Quantum algebra seminar, UC Davis
• Baby p-adic geometry I. February 23, 2007, Student number theory seminar, UCB
• Baby p-adic geometry II. March 2, 2007, Student number theory seminar, UCB
• Monstrous Lie algebras and generalized moonshine. April 9, 2007, Representation theory, geometry and combinatorics semonar, UCB
• Monstrous Lie algebras and generalized moonshine. April 16, 2007, Algebra seminar, Kansas State University
• Tamely ramified case II: nilpotent opers and Miura opers. April 17, 2007, Geometric Langlands seminar, UCB
• Borcherds products and genus zero functions. April 18, 2007, Number theory seminar, UCB

Later

• Monstrous moonshine. July 17, 2007, Canada/USA Mathcamp (Waterville, ME)
• Monstrous Lie algebras and generalized moonshine. October 2, 2007, Everytopic seminar, Brandeis University
• Chiral algebras, Factorization algebras, and chiral modules. October 4, 2007, Chiral algebras seminar, Harvard
• Monstrous Lie algebras and generalized moonshine. October 5, 2007, Infinite-dimensional algebra seminar, MIT
• The generalized moonshine conjecture. March 13, 2008, Number theory seminar, MIT
• Monstrous moonshine. March 18, 2008, Talk for undergrads, MIT
• Construction of the functor Whit^c -> FS. April 4, 2008, Workshop on Affine Lie algebras and chiral structures, Talbot 2008 (Plymouth, MA)
• Monstrous moonshine. July 29, 2008, Canada/USA Mathcamp (Portland, OR).
• Genus zero modular functions in generalized moonshine. February 13, 2009, Infinite-dimensional algebra seminar, MIT
• Generalized moonshine: an overview. March 11, 2009, Geometry seminar, Boston University
• Construction of the exotic 2-compact group DI(4). April 23, 2009, The Thursday Seminar, Harvard
• Singular commutative rings in a braided category. September 1, 2009, ICMS Workshop on vertex algebras, Lie algebras, and automorphic forms, Edinburgh
• Singular commutative rings in a braided category. September 25, 2009, Infinite-dimensional algebra seminar, MIT
• Chiral algebras and logarithmic geometry. November 4, 2009, Mathematical Physics Seminar, Boston University
• Genus zero functions in generalized moonshine. November 6, 2009, Everytopic Seminar, Brandeis University

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