@techreport{BortolettoLindnerMasing2022, author = {Enrico Bortoletto and Niels Lindner and Berenike Masing}, title = {The tropical and zonotopal geometry of periodic timetables}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {22-09}, language = {eng}, year = {2022} }