University of Oulu. Diophantine approximations and transcendence; error-correcting codes.

Romanian Academy of Sciences. Algebraic number theory, analytic number theory, class field theory and theory of algebraic functions.

Université de Caen. Works focused on analysis of algorithms. Includes research papers, preprints, and related links.

Hebrew University of Jerusalem. Geometry of numbers; computational algebraic number theory.

Mathematisch Instituut, Leiden. Algorithmic theory of quadratic forms. Publications, thesis.

Macquarie University, ceNTRe for Number Theory Research. Continued fractions and effective diophantine approximation; diphantine equations. Papers and "Notes on Fermat's Last Theorem".

Prime number theory.

Utah Valley State College. Hyperbolic spaces and the ABC conjecture.

University of California Berkeley. Algebraic geometry, algebraic number theory, arithmetic geometry and related topics. Catalogue of algebraic surfaces.

Penn State University. Classical groups over rings and algebraic K-theory; Waring's problem, Diophantine equations, cubic surfaces. Publications.

University of British Columbia. Arithmetic of elliptic curves, L-functions. Papers and preprints.

Penn State University. Waring's problem, the Goldbach problem, the Hardy-Littlewood method, the use of "smooth" numbers, the distribution of primes, exponential sums over integer sequences, properties of the Riemann zeta-function and Dirichlet L-functions.

Truman State University. Contact information and teaching schedule.

University of York. Number theory, ergodic theory and dynamical systems. Papers and preprints.

University of Arizona. Algebraic and elementary number theory; Group theory; Field theory; Algebraic coding theory; Communication theory; Signal processing. Preprints and articles on educational issues.

Universität Heidelberg. Iwasawa theory of p-adic Lie extensions; arithmetic of elliptic curves, Selmer groups of abelian varieties, structure of profinite (or pro-p) groups. Publications.

Massachusetts Institute of technology. Interests in number theory and a number of related topics. Preprints, thesis, and links to collaborator's websites.

Laboratory of Algebra and Number Theory, Petersburg Department of Steklov Institute of Mathematics. Contact information.

University of Bristol. Algorithmic number theory and computational algebraic geometry; applications to cryptography.

Universitaet Essen. Arithmetic algebraic geometry. Fundamental domain drawer and Magma code.

Missouri Western. Contact, teaching information.

University of Leuven. Algebraic geometry, singularity theory, applications in number theory. Papers and preprints.

ETH Zürich. Arithmetic of abelian varieties.

University of Texas at Austin. Special values of L-series (in particular, those related to the conjectures of Birch/Swinnerton-Dyer and Bloch/Beilinson), the arithmetic of elliptic curves and modular forms.

Università di Pisa. Contact information.

University of California Los Angeles. Modular curves, L-functions.

University of Florida, Gainesville. Galois theory. Books, papers, software.

University of California, Berkeley. Quadratic forms, perfect numbers.

University of California, Berkeley. Diophantine approximation; Nevanlinna theory, especially as related to diophantine approximation; Arakelov theory. Papers and software.

University of Texas. Number theory and algebraic geometry: applications to coding theory and cryptography.

Princeton University. Arithmetic geometry.

Sidney Sussex College, Cambridge (on leave from Steklov Institute of Mathematics, St. Petersburg). Diophantine equations, Hilbert's Tenth Problem; linear groups.