International collaboration

Courant Institute of Mathematical Sciences
New York University
251 Mercer Street
New York, N.Y. 10012-1185

Universite du Littoral,
Centre Universitaire de la Mi-Voix
Maison de la Recherche Blaise Pascal, 50 rue F.Buisson B.P. 699
62228 Calais Cedex, France

University of Cambridge
Department of Applied Mathematics and Theoretical Physics,
Cambridge, CB3 0WA, UK
 

Department of Mathematics and Materials Research Institute,

Penn State University, University Park, PA-16802-6401,

218 Mc Allister Building, USA

Technische Universität Darmstadt, FB Mathematik, AG 6
Schloßgartenstr. 7, D-64289 Darmstadt, Germany

Université Pierre et Marie Curie - Paris 6 (UPMC), 4 place Jussieu

75005 Paris, France

Université Paris Diderot-Paris 7, 9 - 15 espl. des Grands Moulins,

75205 Paris Cedex 13, France