@techreport{LabbePleinSchmidt2018, author = {Labb{\´e}, Martine and Plein, Fr{\"a}nk and Schmidt, Martin}, title = {Bookings in the European Gas Market: Characterisation of Feasibility and Computational Complexity Results}, series = {Optimization and Engineering}, journal = {Optimization and Engineering}, number = {21(1)}, url = {https://opus4.kobv.de/opus4-trr154/245}, pages = {305 -- 334}, year = {2018}, language = {en}, type = {Preprint}, institution = {TRR 154} } @techreport{LabbePleinSchmidtetal.2019, author = {Labb{\´e}, Martine and Plein, Fr{\"a}nk and Schmidt, Martin and Th{\"u}rauf, Johannes}, title = {Deciding Feasibility of a Booking in the European Gas Market on a Cycle is in P for the Case of Passive Networks}, series = {Networks}, volume = {78}, journal = {Networks}, number = {2}, doi = {10.1007/s00186-021-00752-y}, url = {https://opus4.kobv.de/opus4-trr154/286}, pages = {128 -- 152}, year = {2019}, language = {en}, type = {Preprint}, institution = {TRR 154} }