For the nonlinear Klein-Gordon equation in ℝ¹⁺𝑑, we prove the existence of multi-solitary waves made of any number 𝑁 of decoupled bound states. This extends the work of Côte and Muñoz (Forum Math.

This is a preview. Log in through your library . Abstract This paper studies asymptotics of moving gap solitons in nonlinear periodic structures of finite contrast ("deep grating") within the one ...

University of Queensland researchers have created a microscopic "ocean" on a silicon chip to miniaturize the study of wave ...