F T Farrell Editor

C. S. Aravinda is an Associate Professor in the TIFR Centre for Applicable Mathematics, Bangalore. His main research interests are the study of manifolds of non-positive curvature, with special focus on their dynamic, geometric and topological aspects. F. T. Farrell is a Professor in the Mathematics Department and Yau Mathematical Sciences Center at Tsinghua University, Beijing, China. His research area is manifold topology. J.-F. Lafont is a Professor in the Mathematics Department at Ohio State University. He studies the geometry, topology, and dynamics of spaces of negative curvature.