[EN] We analyze composition methods with complex coefficients exhibiting the so-called ¿symmetry-conjugate¿ pattern in their distribution. In particular, we study their behavior with respect to preservation of qualitative ...
Blanes Zamora, Sergio; Calvo, M.P.; Casas, F.; Sanz-Serna, J. M.(Society for Industrial and Applied Mathematics, 2021)
[EN] We construct integrators to be used in Hamiltonian (or Hybrid) Monte Carlo sampling. The new integrators are easily implementable and, for a given computational budget, may deliver five times as many accepted proposals ...