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.