Sommaire du Fascicule no. 1

The whitehead theorem in the proper category
A note on the base change map for cohomology
The word problem in polycyclic groups is elementary
Correction to “On the non-measurability of a certain mapping”
On pinched manifolds with fundamental group 𝐙 2
Reduction of the proof of the non-rationality of a non-singular cubic threefold to a result of mumford
Spectre du laplacien et longueurs des géodésiques périodiques. I

Sommaire du Fascicule no. 2

Locally coalescent classes of Lie algebras
The derived join theorem and coalescence in Lie algebras
Homotopic homeomorphisms of infinite-dimensional manifolds
Une démonstration du théorème de Zariski sur les sections hyperplanes d'une hypersurface projective et du théorème de Van Kampen sur le groupe fondamental du complémentaire d'une courbe projective plane
Spectre du laplacien et longueurs des géodésiques périodiques. II
Ex-homotopy theory
On infinite series representations of real numbers
Ends of groups and baseless subgroups of wreath products
On the weak-basis theorem
On the trivialization of line bundles over schemes
« La classe duale aux points doubles » d'une application

Sommaire du Fascicule no. 3

Convexité topologique et prolongement des fonctions continues
A note on 2-step subideals of Lie algebras
Classification of algebraic varieties, I