(Russia) Institute of Computer Science - Study of nonintegrability and chaos encountered in problems of dynamics, integrable systems from the Hamiltonian mechanics and new mathematical methods for analysis of nonlinear dynamical systems. Udmurt State University at Izhevsk. (UK) University of Cambridge - The Nonlinear Centre: a research group in Dynamical Systems and related aspects of Nonlinear Science. Based in the Department of Applied Mathematics and Theoretical Physics (DAMTP) and the Statistical Laboratory. (USA) Penn State - Center for Dynamical Systems. Meetings, members, publications. (UK) University of Leeds - Centre For Nonlinear Studies. Research collaborations between mathematicians, scientists and engineers with a common interest in nonlinear dynamics and its applications. Meetings, publications and resources. (UK) University of York - Networks and Nonlinear Dynamics Group, Department of Mathematics. Control, prediction and optimisation of complex systems. Systems looked at include road traffic, telecoms traffic and production data from noisy real-world industrial processes. (UK) University of London, University College - Centre for Nonlinear Dynamics and its Applications. People, current research areas, meetings, publications, links. (USA) Brown University - Lefschetz Center for Dynamical Systems. Members, research interests, publications, software, meetings, resources. (France) Institut de Mathématiques de Luminy - Dynamics, Arithmetic, Combinatorics. Site in French and English. (France) Université de Paris-Sud, Orsay - Topology and Dynamical Systems research group. Members, seminars, theses. (Germany) Free University Berlin - Nonlinear Dynamics research group. Members, projects, publications, meetings, links. (Spain) Barcelona UB-UPC - Universitat de Barcelona (UB) and Universitat Politècnica de Catalunya (UPC) joint Dynamical Systems Group. Meetings, publications. (USA) Cornell University - Dynamics at Cornell: projects, software, theses. (Spain) Universitat Autònoma de Barcelona - Grup de Sistemes Dinàmics. Members, publications, seminars, resources.