Fields of Interest:  Theory of nuclear forces, the relativistic twobody problem, quantum field theory, foundations of quantum and statistical mechanics, the reversibility problem in statistical mechanics, quantum thermodynamics, quantum measurement theory, quantum information dynamics, general relativity and cosmology, selfgravitating bodies in general relativity, classical and quantum chaos, photon thermodynamics and cosmic background radiation, the photonphoton interaction, economic theory, comparative statics and dynamics in economic models, economic growth with heterogeneous agents, portfolio theory, scientific computing, tangent dynamics of Hamiltonian systems, efficient computation of Lyapunov spectra for chaotic systems, chaos theory at the quantumclassical transition, quantum information and computing, measures of entanglement, twodimensional noncommutative field theories.
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