Nonparametric polynomial density estimation in the L P norm -- Local spline interpolation schemes in one and several variables -- On the rate of rational approximation of analytic functions -- Parametric optimization: Pathfollowing with jumps -- Optimization problems in the robustness analysis of linear state space systems -- A principle of contamination in best polynomial approximation -- Nearby sets and centers -- Approximation by lipschitz functions and its application to boundary value of cauchy-type integrals -- Asymptotics for the ratio of the leading coefficients of orthogonal polynomials associated with a jump modification -- Convergence of pade approximats in a non-commutative algebra -- Subsets of unicity in uniform approximation -- On qualitative Korovkin theorems with a-distance -- Relative asymptotics of orthogonal polynomials with respect to varying measures II -- On the rational approximation of HP functions in the LP(?) metric -- On the trajectories of inclined oil-wells -- On some contributions of Halasz to the turan power-sum theory -- On the m-th row of newton type (?,?)-PADF tables and singllar points -- On simul taneous rational interpolants of type (?,?) -- Généralisation de formules de bornage de L-I et applications aux Lp -- On C0-semigroups in a space of bounded continuous functions in the case of entrance or natural boundary points -- On the approximation of Riemann integrable functions by bernstein polynomials -- Optimization criteria for multivariate strata construction -- Proof of two conjectures by G. Chen and D. L. Russell on structural damping for elastic systems -- An iterative aggregation algorithm for linear programming -- Optimal control of non linear retarded systems with phase constraints.