Sommaire du Fascicule no. 1

About the naturality of Beattie's decomposition theorem with respect to a change of Hopf algebras
A note on nuclei of quantale modules
Linear spaces and involutive duality functors
Tensor products of categories of equivariant perverse sheaves

Sommaire du Fascicule no. 2

On a generalized small-object argument for the injective subcategory problem
About the globular homology of higher dimensional automata

Sommaire du Fascicule no. 3

On regular presheaves and regular semi-categories
Symétries de Hecke à déterminant associé central
Isolated squares in hypercubes and robustness of commutativity
On the PROP corresponding to bialgebras

Sommaire du Fascicule no. 4

Shape and strong shape equivalences
Vers une interprétation galoisienne de la théorie de l'homotopie
The boolean prime ideal theorem holds iff maximal open filters exist