Claude Guerin, MD Sandrine Gaillard, MD Stephane Lemasson, MD Louis Ayzac, MD Raphaele Girard, MD Pascal Beuret, MD Bruno Palmier, MD Quoc Viet Le, MD Michel Sirodot, MD Sylvaine Rosselli, MD Vincent Cadiergue, MD Jean-Marie Sainty, MD Philippe Barbe, MD Emmanuel Combourieu, MD Daniel Debatty, MD Jean Rouffineau, MD Eric Ezingeard, MD Olivier Millet, MD Dominique Guelon, MD Luc Rodriguez, MD Ol...

HE banana breeding program currently being carried out in Jamaica T is largely based on the progeny of the triploid (zn=33) Gros Michel crossed with a number of naturally occurring diploids. The bulk of such progeny have been found to be tetraploid (LARTER 1935 and unpublished; CHEESMAN and DODDS 1942), which suggests that Gros Michel has a tendency to throw a majority of triploids among its vi...

The journal “ESAIM: Control Optimization and Calcul of Variations”, funded by Jean-Michel Coron and Jean-Pierre Puel in 1995, and which has been directed by Jean-Michel from 1995 to 2002, was obviously the best journal to carry out this initiative. We thank the Editorial Board for granting us the permission to create this special volume and the whole staff of the journal for their kind help in ...