@techreport{KrebsScheweSchmidt2017, author = {Krebs, Vanessa and Schewe, Lars and Schmidt, Martin}, title = {Uniqueness and Multiplicity of Market Equilibria on DC Power Flow Networks}, series = {European Journal on Operations Research}, journal = {European Journal on Operations Research}, number = {271(1)}, url = {https://opus4.kobv.de/opus4-trr154/176}, pages = {165 -- 178}, year = {2017}, language = {en}, type = {Preprint}, institution = {TRR 154} } @techreport{GrimmGruebelScheweetal.2017, author = {Grimm, Veronika and Gr{\"u}bel, Julia and Schewe, Lars and Schmidt, Martin and Z{\"o}ttl, Gregor}, title = {Nonconvex Equilibrium Models for Gas Market Analysis: Failure of Standard Techniques and Alternative Modeling Approaches}, series = {European Journal on Operational Research}, journal = {European Journal on Operational Research}, number = {273(3)}, url = {https://opus4.kobv.de/opus4-trr154/220}, pages = {1097 -- 1108}, year = {2017}, language = {en}, type = {Preprint}, institution = {TRR 154} }