Table of contents

Comité de rédaction
Number Theory
Fractional parts of powers and Sturmian words

Presented by: Jean-Pierre Kahane

Bugeaud, Yann;  Dubickas, Artūras
Algebra
Formulas for the Connes–Moscovici Hopf algebra

Presented by: Alain Connes

Menous, Frédéric
Group Theory
Normal, unipotent subgroup schemes of reductive groups

Presented by: Jean-Pierre Serre

Vasiu, Adrian
Équations différentielles
Analyse des singularités de quelques systèmes intégrables
[A singularity analysis of some integrable systems]

Presented by: Bernard Malgrange

Lesfari, Ahmed
Équations aux dérivées partielles
Inégalités de Hardy précisées
[Precised Hardy inequalities]

Presented by: Jean-Michel Bony

Bahouri, Hajer;  Chemin, Jean-Yves;  Gallagher, Isabelle
Partial Differential Equations
On a Liouville-type comparison principle for solutions of semilinear elliptic partial differential inequalities

Presented by: Pierre-Louis Lions

Kurta, Vasilii V.
Partial Differential Equations
A method for establishing upper bounds for singular perturbation problems

Presented by: Haïm Brezis

Poliakovsky, Arkady
Géométrie algébrique
Le théorème d'irréductibilité de Kolchin
[Kolchin's irreducibility theorem]

Presented by: Laurent Lafforgue

Nicaise, Johannes;  Sebag, Julien
Differential Geometry/Dynamical Systems
On Ishii's equation

Presented by: Charles-Michel Marle

Birtea, Petre;  Puta, Mircea
Géométrie différentielle
Laplacien hypoelliptique et torsion analytique
[The hypoelliptic Laplacian and analytic torsion]

Presented by: Jean-Michel Bismut

Bismut, Jean-Michel;  Lebeau, Gilles
Topologie/Algèbre
Un théorème d'annulation en cohomologie de MacLane
[A vanishing theorem in MacLane cohomology]

Presented by: Christophe Soulé

Gaudens, Gerald;  Schwartz, Lionel
Dynamical Systems
Frequently dense orbits

Presented by: Gilles Pisier

Grosse-Erdmann, K.-G.;  Peris, Alfredo
Statistics/Probability Theory
Sums, differences, products, and ratios of hypergeometric beta variables

Presented by: Paul Deheuvels

Nadarajah, Saralees
Statistique
Consistance d'un estimateur de minimum de variance étendue
[Consistency of a least extended variance estimator]

Presented by: Paul Deheuvels

Rynkiewicz, Joseph
Editorial Board