The armijo step rule adapted to gradient path algorithms -- On effectiveness measures for optimal search methods -- The use of interactive computing for vehicle routeing -- On some aspects on simulation modelling -- Simulation of monthly flow series using precipitation inputs generated by arma models -- On the boundeness of certain point-to-set maps and its application in optimization -- Some properties of semismooth and regular functions in nonsmooth analysis -- Modelling errors in time series and k-step predictions -- The single depot vehicle scheduling problem -- Probabilistic analysis of algorithms for some combinatorial optimization problems -- The ellipsoid method and its predecessors -- Asymptotic stability properties of self-accessible control systems -- Mathematical models for pine timber production planning -- A control problem with a non-coercive cost functional -- A perspective on control system design by means of semi-infinite optimization algorithms -- A dynamic multigrid algorithm suitable for partial differential equations with singular solutions.