The theorem of Minkowski for polyhedral monoids and aggregated linear diophantine systems.- Integer rounding and polyhedral decomposition for totally unimodular systems.- Measure extensions according to a given function.- On parametric linear optimization.- On the complexity of clustering problems.- The solution of algebraic assignment and transportation problems.- Application of optimization methods to the solution of operator equations.- A note on directional differentiability of flow network equilibria with respect to a parameter.- On solving symmetric assignment and perfect matching problems with algebraic objectives.- Generating maximum members of independence systems.- Remarks on stochastic aspects on graphs.- On the symmetric travelling salesman problem: Theory and computation.- On the existence and approximation of solutions of pseudomonotone variational inequalities.- Minimum norm solutions of convex programs.- Oracle-algorithms for fixed-point problems - an axiomatic approach.- The general solution of a classical stochastic inventory problem and its generalization.- On the computational complexity of integer programming problems.- On stability of convex operators.- Differentiable perturbations of infinite optimization problems.- Matroids on the edge sets of directed graphs.- A discrete time maximum principle in a stochastic case.- A class of stationary EOQ problems and learning effects.- Optimal control for a class of integral equations.- On the M/G/1-queue with controlled service rate.- Multiterminal network flow and connectivity in unsymmetrical networks.- Augmented penalty function technique for optimal control problems.- Optimality conditions for the programming problem in infinite dimensions.