Existence of odd, even, and multi-pulse discrete breathers in infinite Fermi-Pasta-Ulam lattices

DOI10.1016/j.jde.2021.07.003zbMath1477.37085OpenAlexW3186800921MaRDI QIDQ2048597

Kazuyuki Yoshimura, Yusuke Doi

Publication date: 9 August 2021

Published in: Journal of Differential Equations (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.jde.2021.07.003

zbMATH Keywords

existencediscrete breatherFermi-Pasta-Ulam latticemultipulseodd and even symmetry

Mathematics Subject Classification ID

Lattice dynamics and infinite-dimensional dissipative dynamical systems (37L60) Lattice dynamics; integrable lattice equations (37K60) Periodic and almost periodic solutions for problems in Hamiltonian and Lagrangian mechanics (70H12) Nonlinear modes (70K75)

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Revisiting multi-breathers in the discrete Klein–Gordon equation: a spatial dynamics approach

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