Table of contents

Editorial Board
Number Theory/Mathematical Analysis
New results on expanders

Presented by: Jean Bourgain

Bourgain, Jean;  Gamburd, Alex
Algebra/Homological Algebra
A criterion for regularity of local rings

Presented by: Jean-Pierre Serre

Bridgeland, Tom;  Iyengar, Srikanth
Théorie des groupes
Invariants relatifs : une algèbre extérieure
[Relative invariants: an exterior algebra]

Presented by: Michel Duflo

Beck, Vincent
Group Theory
A remark on the fundamental lemma of Jacquet

Presented by: Hervé Jacquet

Offen, Omer
Mathematical Analysis
The Birkhoff decomposition in groups of formal diffeomorphisms

Presented by: Alain Connes

Menous, Frédéric
Complex Analysis
A new approach to Cullen-regular functions of a quaternionic variable

Presented by: Jean-Pierre Demailly

Gentili, Graziano;  Struppa, Daniele C.
Partial Differential Equations
Critical space for the parabolic-parabolic Keller–Segel model in Rd

Presented by: Philippe G. Ciarlet

Corrias, Lucilla;  Perthame, Benoît
Algebraic Geometry/Topology
Motives and modules over motivic cohomology

Presented by: Pierre Deligne

Röndigs, Oliver;  Østvær, Paul Arne
Géométrie différentielle
Inégalités de Harnack pour les opérateurs elliptiques d'ordre 2 et 4 et phénomène de concentration
[Harnack inequalities for elliptic operators of order 2 and 4, and concentration phenomena]

Presented by: Thierry Aubin

Bahoura, Samy Skander
Topologie/Géométrie différentielle
Obstruction à la transversalité de lagrangiens
[Obstruction to Lagrangian transversality]

Presented by: Étienne Ghys

Karoubi, Max;  Lapa de Souza, Maria Luiza
Dynamical Systems
A remark on conservative diffeomorphisms

Presented by: Étienne Ghys

Bochi, Jairo;  Fayad, Bassam R.;  Pujals, Enrique
Probabilités
Moyennes empiriques pour les mosaïques de Voronoi du disque de Poincaré
[Empirical means for the Voronoi tessellations of the Poincaré disk]

Presented by: Jean-Pierre Kahane

Lips, Fabien
Probability Theory/Optimal Control
Dual representation as stochastic differential games of backward stochastic differential equations and dynamic evaluations

Presented by: Jean-Michel Bony

Tang, Shanjian
Numerical Analysis
A hyperbolic three-phase flow model

Presented by: Olivier Pironneau

Hérard, Jean-Marc
Mathematical Problems in Mechanics
New formulations of linearized elasticity problems, based on extensions of Donati's theorem
Mathematical Problems in Mechanics
Comparison of two approaches for the discretization of elastodynamic contact problems

Presented by: Philippe G. Ciarlet

Khenous, Houari Boumediène;  Laborde, Patrick;  Renard, Yves
Théorie des signaux/Automatique théorique
Analyse non standard du bruit
[Noise: a nonstandard analysis]

Presented by: Yves Meyer

Fliess, Michel
Editorial Board