Approximation of nearly-periodic symplectic maps via structure-preserving neural networks

V Duruisseaux, JW Burby, Q Tang - arXiv preprint arXiv:2210.05087, 2022 - arxiv.org
A continuous-time dynamical system with parameter $\varepsilon $ is nearly-periodic if all its
trajectories are periodic with nowhere-vanishing angular frequency as $\varepsilon …