Sergei Tabachnikov Editor

Albert Fathi is Professor of the Practice in the School of Mathematics at Georgia Institute of Technology. Philip J. Morrison is TAERF Professor of Physics at the University of Texas. Tere M-Seara is a professor at Universitat Politècnica de Catalunya, Barcelona, and a member of the Centre de Recerca Matemàtica. Sergei Tabachnikov is Professor of Mathematics at Pennsylvania State University.