Arnold's research interests lie in number theory and algebraic geometry. He recently published the paper "Bounds of divided universal Bernoulli numbers and universal Kummer congruences," (with S. Wong and W. Ren) in the Proceedings of the American Mathematical Society. Arnold is also active as a reviewer for Mathematical Reviews and for many research journals. His personal interests include bridge, chess and travel.
Education and Degrees
Ph.D. in mathematics, Princeton University, 1996 M.A. in mathematics, Princeton University, 1959 B.A. summa cum laude with distinction in mathematics, Columbia College, 1956