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Non-classical Lie symmetry and conservation laws of the nonlinear time-fractional Kundu–Eckhaus (KE) equation
Pramana ( IF 1.9 ) Pub Date : 2021-06-23 , DOI: 10.1007/s12043-021-02135-8 Mir Sajjad Hashemi , Ali Haji-Badali , Farzaneh Alizadeh
中文翻译:
非线性时间分数阶 Kundu-Eckhaus (KE) 方程的非经典李对称性和守恒定律
更新日期:2021-06-23
Pramana ( IF 1.9 ) Pub Date : 2021-06-23 , DOI: 10.1007/s12043-021-02135-8 Mir Sajjad Hashemi , Ali Haji-Badali , Farzaneh Alizadeh
This work provides an analytical investigation of the time-fractional Kundu–Eckhaus (KE) equation. We use the symmetry of the Lie group as an appropriate tool which deals with the wide class of fractional-order differential equations in Riemann–Liouville sense. In the current work, firstly, we employ classical Lie symmetries to obtain similarity reductions of nonlinear generalised time-fractional KE equation. At the final step, we find relevant exact solutions for the extracted generators.
中文翻译:
非线性时间分数阶 Kundu-Eckhaus (KE) 方程的非经典李对称性和守恒定律
这项工作提供了时间分数 Kundu-Eckhaus (KE) 方程的分析研究。我们使用李群的对称性作为合适的工具来处理 Riemann-Liouville 意义上的各种分数阶微分方程。在目前的工作中,我们首先采用经典的李对称来获得非线性广义时间分数阶 KE 方程的相似度约简。在最后一步,我们为提取的生成器找到相关的精确解。