This list is far from exhaustive, completed and correct. I apologize in advance for those I have forgotten. The list should be completed from time to time...
Co-authors (by chronological order)
Vladimir Udaltsov (Vavilov State Optical Institute, St-Petersburg, Russia)
Thomas Erneux (Univ. Libre de Bruxelles, Belgium)
Min Won Lee (Univ. Paris 13, France)
Pere Colet (IFISC-CSIC, Palma de Majorca, Spain)
William Rhodes (Georgia Tech Atlanta, USA)
Claudio Mirasso (IFISC, Univ. de les Illes Baleares, Palma de Majorca, Spain)
Ingo Fischer (T.U. Darmstadt, Germany, Vrije Universiteit Brussels, Belgium, IFISC-CSIC, Palma de Majorca, Spain)
Luis Pesquera (Univ. de Cantabria, Spain)
Dimitris Syvridis (Univ. of Athens, Greece)
Raymond Quéré (XLIM, Univ. of Limoges, France)
Jan Danckaert (Vrije Universiteit Brussels, Belgium)
Yuri Maistrenko (Academy of Science, Kiev, Ukraine)
Juan-Pablo Ortega (CNRS-Lab.Math.Besançon, Univ. Franche-Comté, France)
"Field of research" close collaborators
Rajarshi Roy (Georgia Tech Atlanta, Univ. of Maryland, USA)
Atsuchi Uchida (Saitama Univ., Japan)
Pierre Glorieux (Univ. of Lille, France)
Yves Pomeau (CNRS-ENS Paris, France)
Jia Ming Liu (Univ. California Los Angeles, USA)
Lucas Illing (Duke Univ., Reed College, USA)
Daniel Gauthier (Duke University, USA)
Gilles Millérioux (CRAN, Univ. of Lorraine, France)
Christophe Letellier (Univ. of Rouen, France)
Vladimir Ponomarenko (Saratov State Univ., Russia)
Mikhail Prokhorov (Saratov State Univ., Russia)
Maxi San Miguel (IFISC, Univ. Palma de Majorca, Spain)
Eckehard Schöll (T.U. Berlin, Germany)
Martin Hasler (EPFL Lausanne, Swiss)