KdV approximation conjecture for generalized moving pulse solutions in the FPU model
Let m∈Nm\in\mathbb{N}m∈N and c~>0\tilde{c}>0c~>0. For sufficiently small ε>0\varepsilon>0ε>0, consider the FPU system and the speed c=1−ε2c~c=1-\varepsilon^2\tilde{c}c=1−ε2c~. A generalized moving pulse solut…