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, Remerciements Avant tout, merci à mes parents qui m'ont toujours soutenu, Des bises à mes soeurs, mon frère, aux pièces rapportées et à mes(a) petit(e) neveux(ièce)

B. Je-salue, Sicardy avec qui j'ai partage ces 3 ans de recherche et qui m'a apporté souvent beaucoup plus que ce que j'ai pu lui apporter. Je remercie les rapporteurs, les autres membres du jury et Nicole Capitaine

A. Anne, A. Frédéric, E. , L. Dess, . Gilles et al., Des pensées à tous ceux et celles que j'ai croisés pour un temps plus ou moirib long, Merci aussi à ceux qui m'ont supporté dans tous les sens du terme (j'ai bien conscience de l'exploit que ça représente

, Et puis, peut être que cette thèse n'était qu'un rêve, la réalité étant tout autre