@article{NiemannKlusSchuette2021, author = {Jan-Hendrik Niemann and Stefan Klus and Christof Sch{\"u}tte}, title = {Data-driven model reduction of agent-based systems using the Koopman generator}, journal = {PLOS ONE}, volume = {16}, number = {5}, doi = {10.1371/journal.pone.0250970}, year = {2021}, }