Lie Symmetry Analysis, Exact Solutions, and Conservation Laws for the Generalized Time-Fractional KdV-Like Equation
Author(s) -
Maria Ihsane El Bahi,
Khalid Hilal
Publication year - 2021
Publication title -
journal of function spaces
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.579
H-Index - 28
eISSN - 2314-8896
pISSN - 2314-8888
DOI - 10.1155/2021/6628130
Subject(s) - korteweg–de vries equation , conservation law , mathematics , homogeneous space , symmetry (geometry) , partial differential equation , first order partial differential equation , differential equation , mathematical analysis , ordinary differential equation , operator (biology) , exact differential equation , universal differential equation , mathematical physics , nonlinear system , physics , quantum mechanics , biochemistry , chemistry , geometry , repressor , transcription factor , gene
In this paper, the problem of constructing the Lie point symmetries group of the nonlinear partial differential equation appeared in mathematical physics known as the generalized KdV-Like equation is discussed. By using the Lie symmetry method for the generalized KdV-Like equation, the point symmetry operators are constructed and are used to reduce the equation to another fractional ordinary differential equation based on Erdélyi-Kober differential operator. The symmetries of this equation are also used to construct the conservation Laws by applying the new conservation theorem introduced by Ibragimov. Furthermore, another type of solutions is given by means of power series method and the convergence of the solutions is provided; also, some graphics of solutions are plotted in 3D.
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