Tan, Victor - National University of Singapore. Automorphic forms and representations, algebraic number theory, modular forms and elliptic functions, combinatorial designs and difference sets. Terras, Audrey - University of California at San Diego. Spectra of Laplacians and adjacency operators of Cayley and Ramanujan graphs; Selberg trace formula; Fourier analysis on finite and infinite groups; Zeta functions of graphs; Automorphic forms. Papers, books. Tijdeman, Robert - Leiden University. Diophantine analysis, analytic number theory. Tichy, Robert F. - Technische Universität Graz. Uniform distribution and discrepancy; Diophantine equations; asymptotic analysis; algorithmic number theory; fractal structures in number theory; stochastic analysis; information-based complexity; quasi-Monte Carlo methods; mathematics in finance. Thunder, Jeff - Northern Illinois University. Geometry of numbers. Top, Jaap - University of Groningen. Arithmetic algebraic geometry. Tsfasman, Michael - Institute for Information Transmission Problems, Russian Academy of Sciences. Algebraic geometry in relation to number theory (varieties over non-algebraically closed fields, especially over finite fields and number fields, parallelism between the function field and number field case, curves, rational varieties, rational points and zero-cycles, elliptic curves and abelian varieties, towers of varieties and asymptotic theory); Number theory (global fields, zeta-functions); Error-correcting codes; Lattices and sphere packings Toplic, Manfred - Computational number theory, prime numbers. Teterin, Yuri - Steklov Institute of Mathematics at St. Petersburg. Contact information. Tunnell, Jerrold - Rutgers University. Teaching information. Thuswaldner, Jörg - Montanuniversität Leoben. Analytic number theory. Papers, preprints. Tate, John - University of Texas. Algebraic Number Theory (local and global fields); Class Field Theory, Galois cohomology, Galois representations; L-functions and their special values; modular forms, elliptic curves and abelian varieties. Contact information. Tengely, Szabolcs - University of Debrecen. Effective methods for Diophantine equations. Publications, thesis, software. Tzanakis, Nikolaos - University of Crete. Explicit solution of diophantine equations. Publications. Taylor, Richard - Harvard. Arithmetic algebraic geometry, automorphic forms. Preprints.