Energy cascade for the Klein-Gordon lattice
S Pasquali - arXiv preprint arXiv:2304.07146, 2023 - arxiv.org
We study analytically the dynamics of a $ d $-dimensional Klein-Gordon lattice with periodic
boundary conditions, for $ d\leq 3$. We consider initial data supported on one low-frequency …
boundary conditions, for $ d\leq 3$. We consider initial data supported on one low-frequency …