Approximate Noether-type symmetries and conservation laws via partial Lagrangians for PDEs with a small parameter

DOI10.1016/j.cam.2008.01.020zbMath1158.35306OpenAlexW2037799105MaRDI QIDQ953413

F. M. Mahomed, Andrew Gratien Johnpillai, Abdul Hamid Kara

Publication date: 20 November 2008

Published in: Journal of Computational and Applied Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.cam.2008.01.020

zbMATH Keywords

approximate Euler-type equationsMaxwellian tails equationperturbed linear and nonlinear \((1+1)\) wave equations

Mathematics Subject Classification ID

Invariance and symmetry properties for PDEs on manifolds (58J70) Geometric theory, characteristics, transformations in context of PDEs (35A30)

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Cites Work

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• A basis of approximate conservation laws for PDEs with a small parameter
• Lie-Bäcklund and Noether symmetries with applications
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• Noether-type symmetries and conservation laws via partial Lagrangians
• Direct construction method for conservation laws of partial differential equations Part I: Examples of conservation law classifications
• Variational formulation of approximate symmetries and conservation laws