Areas of Research/Interest: Quantum field theory, statistical mechanics, critical phenomena, polymer physics, mathematical physics, numerical methods in quantum field theory and statistical mechanics.

External Affiliations: International Association of Mathematical Physics, American Physical Society, American Mathematical Society. Editorial Board, Advances in Applied Mathematics.

Fellowships/Honors: Visiting Fellowship, All Souls College, Oxford University, 2000; Golden Dozen Teaching Award, New York University, 1996.

Selected Works:
Transfer matrices and partition-function zeros for antiferromagnetic Potts models. I. General theory and square-lattice chromatic polynomial, with J. Salas. Journal of Statistical Physics 104 (2001) 609--699, cond-mat/0004330.

Bounds on the complex zeros of (di)chromatic polynomials and Potts-model partition functions. Combinatorics, Probability and Computing 10 (2001) 41-77, cond-mat/9904146.

Fashionable Nonsense: Postmodern Intellectuals' Abuse of Science, with J. Bricmont. New York: Picador USA. 1998. Translated also into Catalan, Dutch, French, German, Italian, Japanese, Korean, Portuguese (Brazil), Portuguese (Portugal) and Spanish.

Critical exponents, hyperscaling and universal amplitude ratios for two- and three-dimensional self-avoiding walks, with Li, B. and N. Madras. Journal of Statistical Physics 80 (1995) 661-754, hep-lat/9409003.

Regularity properties and pathologies of position-space renormalization-group transformations: Scope and limitations of Gibbsian theory, with Van Enter, A. C. D. and R. Fernández. Journal of Statistical Physics 72 (1993) 879-1167, hep-lat/9210032.

Random Walks, Critical Phenomena, and Triviality in Quantum Field Theory, with Fernández, R. and J. Fröhlich. New York: Springer-Verlag. 1992.

Monte Carlo Methods in Statistical Mechanics: Foundations and New Algorithms. Cours de Troisième Cycle de la Physique en Suisse Romande, 1989.