Williams College. Arithmetic of function fields. Preprints, teaching information.

Harvard University. Elliptic Curves, Algebraic Geometry, Class Field Theory and Algebraic Topology.

Texas A+M University. Number theory and arithmetic geometry: elliptic curves and Drinfeld modules, in particular canonical heights, special values of analytic functions, L-series and modular forms.

Penn State University. Exponential sums; Hardy-Littlewood method; Diophantine problems. Papers, thesis.

University of Plovdiv "Paisii Hilendarski". Analytic number theory: additive prime number theory, distribution of primes, exponential sums, sieve methods, Riemann zeta-function and Dirichlet L-functions.

University of Georgia. Diophantine geometry and arithmetic; Local and global heights on algebraic varieties; Uniform distribution on locally compact groups; Applications of harmonic analysis to number theory; Mahler measure of polynomials. Teaching notes.

University of Oxford. Analytic number theory.

University of Rochester. Arithmetic of quaternion algebras and its connections to modular forms, Brandt matrices, Hecke operators, and Ramanujan graphs. Pedagogical use of the internet.

University of Cambridge. Contact information.

Wesleyan University. Thesis "Explicit Hecke Actions on Modular Forms", Harvard, 1998 (PDF).

Factoring, discrete logarithms. Originator of the p-1, lambda, rho and kangaroo methods.

Dartmouth College. Analytic and computational number theory. Publications.

Tata Institute for Fundamental Research. Algebraic number theory, Automorphic forms, Representation theory. Publications.

UCLA. Modular forms. Thesis, teaching information.

Columbia University. Arithmetic geometry, specifically Galois theory of curves in characteristic p.