Conference and workshop committees, invited conferences.
In January 2006, I. Herlin has made a presentation on the image assimilation problematic at Berkeley laboratory.
On January, 12th, 2006, H. Yahia has made a presentation at ICM (Barcelona, Spain). Title : ``Multifractal analysis of geophysical flows: a new model, its implementation and a strategy for its diffusion''.
On October, 11th, 2006, H. Yahia has made a presentation intented at teachers in Mathematics. Title : ``Analyse des signaux complexes multiéchelles: une modélisation issue de la physique et son application à des données environnementales''. Web site of the lecture: http://www-clime.inria.fr/Acad .