J. Andres, L. Górniewicz: On the Banach Contraction Principle for Multivalued Mappings.- H. Attouch, P. Redont: The Second-order in Time Continuous Newton Method.- A. Bakan: Polynomical Density in Lp and Representation of all Measures Which Generate a Determinate Hamburger Moment Problem.- G. BErnis, E. Jouini: Characterizing the Premium at the Equilibrium of a Reinsurance Market with Short Sale Constraints.- M.L. Bougeard: Computational Aspects of Primal Dual Proximal Algorithms for M-estimation with Contstraints.- W.W. Breckner, M. Sekatzek, C. Tammer: Approximate Saddle Point Assertions.- J. Bustamante, M.A. Jiménez: Trends in Hölder Approximation.- M. Florenzano, P. Gourdel, M.R. Páscoa: Classical Overlapping Generations Models with Incomplete Markets.- L. Forzani, W. Urbina: Poisson-Hermite Representation of Solutions for the Equation....- J. Gauvin: Formulae for the Sensitivity Analysis of Linear Programming Problems.- V. Guerra, V. Hernández: Numerical Aspects in Locating the Corner of the L-curve.- V. Hernández, S. Behar Jequín, J. Estrada Sarlabous: Geometric Design by Means of a G2 Continuous A-Spline.- C. Hervés-Beloso, E. Moreno-García: The Veto Mechanism Revisited.- C.-F. Hu: A Relaxed Cutting Plane Algorithm for Solving Fuzzy Variational Inequalities.- A. Ioffe: Towards Metric Theory of Metric Regularity.- E. Izquierdo: Shape Extraction by Nonlinear Diffusion.- H. Keiding: Existence of Cooperative Equilibria in Strategic Form Games.- P. Maréchal: A Note Entropy Optimization.- C.E. Mejía, D.A. Murio, S. Zhan: Some Applications of the Mollification Method.- M. Mowbray: Observable Instability for the Repeated Prisoner's Dilemma.- L. Nieddu, G. Patrizi: Optimization and AlgebraicTechniques for Image Analysis.- G. Patrizi: S.O.C.R.A.t.E.S. Simultaneous Optimal Control by Recursive and Adaptive Estimation System: Problem Formulation and Computational Results.- J.-P. Penot, C. Zälinescu: Approximation of Functions and Sets.- J.S. Rodríguez, J.A. Moreno: Approximating with Radial Basis Functions: an Evolutionary Approach.- J.W. Schmidt: Staircase Algorithm and Boundary Valued Convex Interpolation by Gregory's Splines.- N. Schofield: Generic Existence of Local Political Equilibrium.- O. Stein: The Feasible Set in Generalized Semi-Infinite Optimization.- J. Stoer, M. Wechs: The Complexity of High-Order Interior-Point Methods for Solving Sufficient Complementary Problems.- A. Tangian: Constructing Separable Objective Functions.- V.A. VAsil'ev: Polar Forms, p-Values, and the Core.- H.O. Yakhlef, F. Marcellán: Orthogonal Matrix Polynomials, Conection Between Recurrences on the Unit Circle and on a Finite Interval.- A. Zimmermann: Fast Least Squares Approximation Using Tensor Products of Functions and Linear Forms.