@techreport{UlbrichSchmittSchaeferAguilaretal.2019, author = {Ulbrich, Stefan and Schmitt, Johann Michael and Sch{\"a}fer Aguilar, Paloma and Moos, Michael}, title = {On the numerical discretization of optimal control problems for conservation laws}, url = {https://opus4.kobv.de/opus4-trr154/288}, year = {2019}, language = {en}, type = {Preprint}, institution = {TRR 154} } @unpublished{SchmittUlbrich, author = {Schmitt, Johann Michael and Ulbrich, Stefan}, title = {Optimal Boundary Control of Hyperbolic Balance Laws with State Constraints}, url = {https://opus4.kobv.de/opus4-trr154/219}, language = {en}, type = {Preprint}, institution = {TRR 154} } @inproceedings{BoernerPfetschUlbrich2024, author = {B{\"o}rner, Pascal and Pfetsch, Marc E. and Ulbrich, Stefan}, title = {Modeling and optimization of gas mixtures on networks}, url = {https://opus4.kobv.de/opus4-trr154/565}, pages = {6}, year = {2024}, language = {en}, type = {Preprint}, institution = {TRR 154} } @techreport{HajianHintermuellerUlbrich2017, author = {Hajian, Soheil and Hinterm{\"u}ller, Michael and Ulbrich, Stefan}, title = {Total variation diminishing schemes in optimal control of scalar conservation laws}, series = {IMA Journal of Numerical Analysis}, volume = {39}, journal = {IMA Journal of Numerical Analysis}, doi = {10.20347/WIAS.PREPRINT.2383}, url = {https://opus4.kobv.de/opus4-trr154/152}, pages = {105 -- 140}, year = {2017}, language = {en}, type = {Preprint}, institution = {TRR 154} } @techreport{GugatUlbrich2017, author = {Gugat, Martin and Ulbrich, Stefan}, title = {On Lipschitz Solutions of Initial Boundary Value Problems for Balance Laws}, series = {Mathematical Models and Methods in Applied Sciences}, journal = {Mathematical Models and Methods in Applied Sciences}, url = {https://opus4.kobv.de/opus4-trr154/144}, year = {2017}, language = {en}, type = {Preprint}, institution = {TRR 154} } @techreport{HabeckPfetschUlbrich, author = {Habeck, Oliver and Pfetsch, Marc E. and Ulbrich, Stefan}, title = {Global optimization of mixed-integer ODE constrained network problems using the example of stationary gas transport}, volume = {29}, number = {4}, edition = {SIAM Journal of Optimization}, doi = {10.1137/17M1152668}, url = {https://opus4.kobv.de/opus4-trr154/186}, pages = {2949 -- 2985}, language = {en}, type = {Preprint}, institution = {TRR 154} } @techreport{GugatUlbrich2017, author = {Gugat, Martin and Ulbrich, Stefan}, title = {The isothermal Euler equations for ideal gas with source term: Product solutions, flow reversal and no blow up}, series = {Journal of Mathematical Analysis and Applications}, volume = {454}, journal = {Journal of Mathematical Analysis and Applications}, number = {1}, editor = {CHEN, GOONG}, doi = {10.1016/j.jmaa.2017.04.064}, url = {https://opus4.kobv.de/opus4-trr154/177}, pages = {439 -- 452}, year = {2017}, language = {en}, type = {Preprint}, institution = {TRR 154} } @techreport{PfaffUlbrich2015, author = {Pfaff, Sebastian and Ulbrich, Stefan}, title = {Optimal Boundary Control of Nonlinear Hyperbolic Conservation Laws with Switched Boundary Data}, series = {SIAM Journal on Control and Optimization}, volume = {53}, journal = {SIAM Journal on Control and Optimization}, number = {3}, doi = {10.1137/140995799}, url = {https://opus4.kobv.de/opus4-trr154/84}, pages = {1250 -- 1277}, year = {2015}, language = {en}, type = {Preprint}, institution = {TRR 154} } @techreport{PfaffUlbrich2017, author = {Pfaff, Sebastian and Ulbrich, Stefan}, title = {Optimal Control of Nonlinear Hyperbolic Conservation Laws by On/Off-Switching}, series = {Optimization Methods and Software}, volume = {32}, journal = {Optimization Methods and Software}, doi = {10.1080/10556788.2016.1236796}, url = {https://opus4.kobv.de/opus4-trr154/85}, pages = {904 -- 939}, year = {2017}, language = {en}, type = {Preprint}, institution = {TRR 154} } @techreport{UlbrichChristianManns2021, author = {Ulbrich, Stefan and Christian, Kirches and Manns, Paul}, title = {Compactness and convergence rates in the combinatorial integral approximation decomposition}, url = {https://opus4.kobv.de/opus4-trr154/444}, year = {2021}, language = {en}, type = {Preprint}, institution = {TRR 154} } @techreport{UlbrichManns, author = {Ulbrich, Stefan and Manns, Paul}, title = {a simplified newton method to generate snapshots for POD models of semilinear optimal controlproblems}, url = {https://opus4.kobv.de/opus4-trr154/445}, language = {en}, type = {Preprint}, institution = {TRR 154} } @unpublished{SchaeferAguilarUlbrich2021, author = {Sch{\"a}fer Aguilar, Paloma and Ulbrich, Stefan}, title = {Convergence of numerical adjoint schemes arising from optimal boundary control problems of hyperbolic conservation laws}, url = {https://opus4.kobv.de/opus4-trr154/481}, year = {2021}, language = {en}, type = {Preprint}, institution = {TRR 154} } @unpublished{BreitkopfUlbrich2025, author = {Breitkopf, Jannik and Ulbrich, Stefan}, title = {A Variational Calculus for Optimal Control of the Generalized Riemann Problem for Hyperbolic Systems of Conservation Laws}, url = {https://opus4.kobv.de/opus4-trr154/607}, pages = {34}, year = {2025}, language = {en}, type = {Preprint}, institution = {TRR 154} } @unpublished{BreitkopfGugatUlbrich2025, author = {Breitkopf, Jannik and Gugat, Martin and Ulbrich, Stefan}, title = {Existence and Optimal Boundary Control of Classical Solutions to Networks of Quasilinear Hyperbolic Systems of Balance Laws}, url = {https://opus4.kobv.de/opus4-trr154/610}, pages = {42}, year = {2025}, language = {en}, type = {Preprint}, institution = {TRR 154} } @periodical{BoernerPfetschUlbrich, author = {B{\"o}rner, Pascal and Pfetsch, Marc E. and Ulbrich, Stefan}, title = {Mixing of Gases in Stationary Networks: Properties and Optimization}, url = {https://opus4.kobv.de/opus4-trr154/629}, pages = {44}, language = {en}, type = {Preprint}, institution = {TRR 154} }