6375 2016 eng doctoralthesis 0 -- -- 2016-07-18 Model Order Reduction of Linear Control Systems: Comparison of Balance Truncation and Singular Perturbation Approximation with Application to Optimal Control urn:nbn:de:kobv:188-fudissthesis000000102586-2 Carsten Hartmann Adman Daragmeh Erlinda Körnig Christof Schütte Numerical Mathematics no-project Freie Universität Berlin