Periodic Fast Multipole Method. - Ruqi Pei; Travis Askham; Leslie Greengard; Shidong Jiang (CoRR, 2021)

A fast method for imposing periodic boundary conditions on arbitrarily-shaped lattices in two dimensions. - Ruqi Pei; Travis Askham; Leslie Greengard; Shidong Jiang (J. Comput. Phys., 2023)