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Issue no. 1 Table of Contents

Introduction
Connection between the renormalization groups of Stückelberg–Petermann and Wilson
A formalism for the renormalization procedure
On bialgebras and Hopf algebras of oriented graphs
Mode d’emploi de la théorie constructive des champs bosoniques : avec une application aux chemins rugueux

Issue no. 2 Table of Contents

Equivariant cohomology and current algebras
On the Steinhaus and Bergman properties for infinite products of finite groups
Élimination des quantificateurs dans les paires de corps algébriquement clos

Issue no. 3 Table of Contents

Singularities of divergence-free vector fields with values into S1 or S2: Applications to micromagnetics
A note on canonical bases and one-based types in supersimple theories

Issue no. 4 Table of Contents

Interval exchange transformation extension of a substitution dynamical system
The Poincaré algebra in the context of ageing systems: Lie structure, representations, Appell systems and coherent states
Espaces de Berkovich, polytopes, squelettes et théorie des modèles