@article{nonlocalflockingdynamicslearningthe, title = {Nonlocal flocking dynamics: Learning the fractional order of PDEs from particle simulations}, author = {Zhiping Mao and Zhen Li and George Em. Karniadakis}, year = {2018}, eprint = {1810.11596}, archivePrefix = {arXiv}, url = {http://arxiv.org/abs/1810.11596v2}, }