Classification and Approximate Solutions to a Class of Perturbed Nonlinear Wave Equations

• 作 者: ZHANG Zhi-Yong CHEN Yu-Fu YONG
• 机 构: SchoolofMathematicalSciences,DepartmentofMathematicsandPhysics
• 出 处: 理论物理通讯：英文版
• 发表日期: 2009年11期
• 关键词: 非线性波动方程 近似解 扰动 分类 李群方法 approximate symmetry Lie reduction approximate solution

<正> A complete approximate symmetry classification of a class of perturbed nonlinear wave equations isperformed using the method originated from Fushchich and Shtelen.Moreover,large classes of approximate invariantsolutions of the equations based on