Education

Ph.D., 1980, Courant Institute (New York University)

B.A., 1976, Harvard University, Applied Mathematics (summa cum laude)
Research

Nonlinear partial differential equations, especially integrable and nearintegrable Hamiltonian systems

Education of gifted mathematics students
Selected Publications

Global existence of smooth solutions and stabiity of solitary waves for a generalized Boussinesq equation, Comm. Math. Phys. 188, 1988, pp. 1529

On the integrable variant of the Boussinessq system: Paninleve property, rational soultions, a related manybody system and equivalence with the AKNS hierachy, Physica D 30, 1988, pp. 127

On the transerse instability of solitary waves in the KadomtsevPetviashvili equation, with J. Alexander and R. Pego, Phys, Letters A, 1997

On the stability of KdV MultiSolitons, with J. Maddocks, Comm. Pure and Applied Math. 46 (1993), pp. 867901

Constrained Variational Principles and Stability in Hamiltonian Systems, in Hamiltonian Dynamical Systems, with J. Maddocks (1995), H.S. Dumas, K.R. Meyer, and D.S. Schmidt, eds., SpringerVerlag, pp. 231264.
Professional Awards and Invitations
Students
