Table of Contents

Bimeromorphic geometry of algebraic and analytic threefolds.- Classification of Fano threefolds according to Fano and Iskovskih.- Degeneration techniques in the study of threefolds.- Threefolds whose canonical bundles are not numerically effective.- Les singularites du diviseur— de la jacobienne intermediaire de l’hypersurface cubique dans IP4.- The fundamental group of the Fano surface, I.- The fundamental group of the Fano surface, II.- On threefolds whose hyperplane sections are enriques surfaces.- Ample divisors on 3-folds.- Revetements cycliques.- Some questions on the canonical ring of threefolds of general type.- Deformations of irregular threefolds.- Plane forms and multiple-point formulas.