Sommaire du Fascicule no. 1

-Koszul algebras, a summary.
Cohomology of the triangular algebra and applications. (Cohomologie de l'algèbre triangulaire et applications.)
Comments on gentleness of endomorphism algebras.
Examples of liftings of Nichols algebras over racks.
Graded-commutativity of the Yoneda product of Hopf bimodules.
Hochschild homology of finite dimensional algebras.
Incidence algebras and algebraic fundamental group.
Invariance properties of automorphism groups of algebras.
On a theory of braided cochains in algebraic topology (Preliminary version). (Sur une théorie des cochaines tresses en topologie algébrique (Version préliminaire ).)
On semisimple Hopf algebras of low dimension.
Selfinjective Koszul algebras.