[HTML][HTML] A view of the peakon world through the lens of approximation theory

H Lundmark, J Szmigielski - Physica D: Nonlinear Phenomena, 2022 - Elsevier
Peakons (peaked solitons) are particular solutions admitted by certain nonlinear PDEs, most
famously the Camassa–Holm shallow water wave equation. These solutions take the form of …

A family of wave-breaking equations generalizing the Camassa-Holm and Novikov equations

SC Anco, PL da Silva, IL Freire - Journal of Mathematical Physics, 2015 - pubs.aip.org
A 4-parameter polynomial family of equations generalizing the Camassa-Holm and Novikov
equations that describe breaking waves is introduced. A classification of low-order …

A general family of multi-peakon equations and their properties

SC Anco, E Recio - Journal of Physics A: Mathematical and …, 2019 - iopscience.iop.org
A general family of peakon equations is introduced, involving two arbitrary functions of the
wave amplitude and the wave gradient. This family contains all of the known breaking wave …

Conservation Laws, Symmetries, and Line Soliton Solutions of Generalized KP and Boussinesq Equations with p-Power Nonlinearities in Two Dimensions

SC Anco, ML Gandarias, E Recio - Theoretical and Mathematical Physics, 2018 - Springer
Nonlinear generalizations of integrable equations in one dimension, such as the Korteweg–
de Vries and Boussinesq equations with p-power nonlinearities, arise in many physical …

Lie symmetry and μ-symmetry methods for nonlinear generalized Camassa–Holm equation

H Jafari, K Goodarzi, M Khorshidi, V Parvaneh… - Advances in Difference …, 2021 - Springer
In this paper, a Lie symmetry method is used for the nonlinear generalized Camassa–Holm
equation and as a result reduction of the order and computing the conservation laws are …

Some properties of solutions to the Camassa–Holm-type equation with higher-order nonlinearities

Z Guo, X Li, C Yu - Journal of Nonlinear Science, 2018 - Springer
In this paper, we focus on the large time behavior of compact support of the potential for a
Camassa–Holm-type equation with nonlinearities of degree k+ 1 k+ 1 if the compactly …

Blow-up and peakons for a higher-order -Camassa–Holm equation

H Wang, T Luo, Y Fu, C Qu - Journal of Evolution Equations, 2022 - Springer
This paper proposes a higher-order μ-Camassa–Holm equation, which is regarded as a
higher-order extension of the μ-Camassa–Holm equation, and preserves some properties of …

Conserved norms and related conservation laws for multi-peakon equations

E Recio, SC Anco - Journal of Physics A: Mathematical and …, 2018 - iopscience.iop.org
All nonlinear dispersive wave equations in the general class $ m_t+ f (u, u_x) m+(g (u, u_x)
m) _x= 0$ are known to possess multi-peakon weak solutions. A classification is presented …

Higher-Order Nonlinear Dynamical Systems and Invariant Lagrangians on a Lie Group: The Case of Nonlocal Hunter–Saxton Type Peakons

RA El-Nabulsi, W Anukool - Qualitative Theory of Dynamical Systems, 2024 - Springer
AG-strand is an evolutionary map g (t, s): R× R→ G into a Lie group G that follows from the
Hamilton's principle for a certain class of G-invariant Lagrangians defined on the Lie algebra …

Blow-up phenomena and the local well-posedness and ill-posedness of the generalized Camassa–Holm equation in critical Besov spaces

Z Meng, Z Yin - Monatshefte für Mathematik, 2023 - Springer
In this paper, we first establish the local well-posednesss for the Cauchy problem of a
generalized Camassa–Holm (gCH) equation in Besov spaces B p, 1 1+ 1 p with 1≤ p<+∞ …