Computation of µ-symmetry and µ-conservation law for the Camassa-Holm and Hunter-Saxton equations

Document Type : Original Article

Authors

1 Department of Mathematics, Karaj branch, Islamic Azad University, Karaj, Iran

2 Department of Pure Mathematics, School of Mathematics, Iran University of Science and Technology, Narmak, Tehran, Iran

Abstract

This work is intended to compute the µ-symmetry and µ-conservation laws for the Cammasa-Holm (CH) equation and the Hunter-Saxton (HS) equation. In other words, µ-symmetry, µ-symmetry reduction, variational problem, and µ-conservation laws for the CH equation and the HS equation are provided. Since the CH equation and the HS equation are of odd order, they do not admit a variational problem. First we obtain µ-conservation laws for both of them in potential form because they admit a variational problem and then using them, we obtain µ-conservation laws for the CH equation and the HS equation.

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AUT Journal of Mathematics and Computing
Volume 4, Issue 2
March 2023
Pages 113-122

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