Maciej R. Zworski

Professor of Mathematics. Uses microlocal methods to analyze problems in scattering theory arising from mathematical physics. Proved a conjecture of Keller and Rubinow (1961) relating the shift of the shadow boundary in high frequency scattering to the directional curvatures of a strictly convex obstacle. Other contributions include establishing (with Zelditch) ergodicity of eigenfunctions for ergodic billiards, a key result in quantum chaos, and (with Graham) connecting scattering matrices to conformal geometry. Awarded the Coxeter-James Prize of the Canadian Mathematical Society (1999).