“…Besides providing the best-known uniqueness criterion for Vlasov-Poisson, this approach also gives a new proof of uniqueness à la Yudovich for 2D Euler. Loeper's result has been generalized to less singular kernels [37], and it is the cornerstone for several other stability arguments [7,14,36,42,44,48,58]. Also, Loeper's uniqueness criterion for Vlasov-Poisson has been extended to solutions whose associated density belongs to some suitable Orlicz spaces [38,51].…”