InhaltsangabeAnnulation du H1 pour les fibrés en droites plats.- Results on varieties with many lines and their applications to adjunction theory.- The stability of certain vector bundles on ? n.- Vector bundles, linear systems and extensions of ?1.- Vers une stratification de l'espace des modules des varietes abeliennes principalement polarisees.- Singular hermitian metrics on positive line bundles.- On adjoint bundles of ample vector bundles.- Moderate degenerations of algebraic surfaces.- Genus two fibrations revisited.- Numerically effective vector bundles with small Chern classes.- On the rank of non-rigid period maps in the weight one and two case.- The geometry of the special components of moduli space of vector bundles over algebraic surfaces of general type.