Partial Differential Equations and the Calculus of Variations

On a Class of Nonlinear Diagonal Elliptic Systems with Critical Growth and C?-Regularity.- Higher Integrability from Reverse Jensen Inequalities with Different Supports.- Partial Regularity of Cartesian Currents which Minimize Certain Variational Integrals.- Theoreme des Minimax Locaux et Fonctions Topologiquement Fermees.- Variational Principles with Linear Growth.- Estimation de Lerreur Dans des Problemes de Dirichlet ou Apparait un Terme Etrange.- On Atypical Variational Problems.- Sur la Controlabilite Exacte Elargie.- Low and High Frequency Vibration in Stiff Problems.- A Time-Discretization Scheme Approximating the Non-Linear Evolution Equation u t + ABu = 0.- The Stored-Energy for Some Discontinuous Deformations in Nonlinear Elasticity.- The Calculus of Variations and Some Semilinear Variational Inequalities of Elliptic and Parabolic Type.- Some Remarks on the Dependence Domain for Weakly Hyperbolic Equations with Constant Multiplicity.- Monotonicity of the Energy for Entire Solutions of Semilinear Elliptic Equations.- Pseudo-Differential Operators of Volterra Type on Spaces of Ultra Distributions and Parabolic Mixed Problems.- The Neumann Problem for Second Order Elliptic Equations with Rapidly Oscillating Periodic Coefficients in a Perforated Domain.- Discrete Exterior Measures and Their Meaning in Applications.- An Embedding Theorem.- Nonlocal Effects Induced by Homogenization.- On Regularity and Existence of Viscosity Solutions of Nonlinear Second Order, Elliptic Equations.- Etude Dun Syst en Multiplicit, Lorsque le Degrdu Polynme Minimal Est Petit.- On the Weierstrass Integrals of the Calculus of Variations over BV Varieties: Recent Results of the Mathematical Seminar in Perugia.- Variable Structure Control of Semilinear Evolution Equations.