@techreport{Gugat2026, author = {Gugat, Martin}, title = {Boundary Stabilization of Quasi-Linear Hyperbolic Systems with Varying Time-Delay}, volume = {63}, number = {SIAM Journal on Control and Optimization}, doi = {10.1137/24M1648570}, url = {https://opus4.kobv.de/opus4-trr154/613}, pages = {452 -- 471}, year = {2026}, language = {en}, type = {Preprint}, institution = {TRR 154} } @techreport{GugatSchuster2024, author = {Gugat, Martin and Schuster, Michael}, title = {Optimal Neumann Control of the Wave Equation with L1-Control Cost: The Finite-Time Turnpike Property}, series = {Optimization}, journal = {Optimization}, doi = {https://doi.org/10.1080/02331934.2024.2373904}, url = {https://opus4.kobv.de/opus4-trr154/568}, year = {2024}, language = {en}, type = {Preprint}, institution = {TRR 154} } @techreport{GugatGiesselmannKunkel2021, author = {Gugat, Martin and Giesselmann, Jan and Kunkel, Teresa}, title = {Exponential synchronization of a nodal observer for a semilinear model for the flow in gas networks}, address = {IMA Journal of Mathematical Control and Information}, doi = {10.1093/imamci/dnab029}, url = {https://opus4.kobv.de/opus4-trr154/384}, year = {2021}, language = {en}, type = {Preprint}, institution = {TRR 154} }