A positivity-preserving high-order semi-Lagrangian discontinuous Galerkin scheme for the Vlasov-Poisson equations

@article{Rossmanith2011APH,
  title={A positivity-preserving high-order semi-Lagrangian discontinuous Galerkin scheme for the Vlasov-Poisson equations},
  author={James A. Rossmanith and David C. Seal},
  journal={J. Comput. Physics},
  year={2011},
  volume={230},
  pages={6203-6232}
}