Continuity and differentiability properties of monotone real functions of several real variables -- Regularity properties of open tangent cones -- The role of tangent and normal cones in the viability theory of differential inclusions -- Local structure of feasible sets in nonlinear programming, Part III: Stability and sensitivity -- Eigenvalue perturbations and nonlinear parametric optimization -- Curvilinear path and trust region in unconstrained optimization: A convergence analysis -- Numerical methods for nondifferentiable convex optimization -- A reduced subgradient algorithm -- Global minimization of a difference of two convex functions.