Number 1

• A. Ould Houcine: Homogeneity and prime models in torsion-free hyperbolic groups
• Emmanuel Russ: Racines carrées d'opérateurs elliptiques et espaces de Hardy

• Preface (S. Benzoni-Gavage)
• Marc Duruflé, Victor Péron and Clair Poignard: Time-harmonic Maxwell equations in biological cells - the differential form formalism to treat the thin layer
• Martin Fraas and Yehuda Pinchover: Positive Liouville theorems and asymptotic behavior for p-Laplacian type elliptic equations with a Fuchsian potential
• L. Halpern, S. Petit-Bergez and J. Rauch: The analysis of matched layers
• B. Helffer: On pseudo-spectral problems related to a time-dependent model in superconductivity with electric current
• Houssam Khalil, Bernard Mourrain and Michelle Schatzman: Transformation du problème de résolution de systèmes de Toeplitz biniveaux à un problème polynomial
• Laetitia Paoli: A position-based time-stepping algorithm for vibro-impact problems with a moving set of constraints

• Preface (S. Benzoni-Gavage)
• Hajer Bahouri, Albert Cohen and Gabriel Koch: A general wavelet-based profile decomposition in the critical embedding of function spaces
• Yann Brenier: A modified least action principle allowing mass concentrations for the early universe reconstruction problem
• Stéphane Descombes, Max Duarte, Thierry Dumont, Violaine Louvet and Marc Massot: Adaptive time splitting method for multi-scale evolutionary partial differential equations
• William R. Holmes, Michael Jolly and Jacob Rubinstein: Hydro-elastic waves in a cochlear Model: numerical simulations and an analytically reduced model
• Romain Joly and Geneviève Raugel: A striking correspondence between the dynamics generated by the vector fields and by the scalar parabolic equations
• Barbara Lee Keyfitz: Singular shocks: retrospective and prospective
• Magali Ribot and Michelle Schatzman: Stability, convergence and order of the extrapolations of the residual smoothing scheme in energy norm
• Denis Serre: Three-dimensional interaction of shocks in irrotational flows

• Guillaume Aubrun and Ion Nechita: The multiplicative property characterizes l_p and L_p norms
• Ariela Briani, Antonin Chambolle, Matteo Novaga and Giandomenico Orlandi: On the gradient flow of a one-homogeneous functional
• Raf Cluckers and Immanuel Halupczok: Quantifier elimination in ordered abelian groups
• Ehud Hrushovski and Anand Pillay: Affine Nash groups over real-closed fields