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A Mathematical Modeling Approach from Nonlinear Dynamics to Complex Systems On Symmetries and Conservation Laws for a Generalized Fisher–Kolmogorov–Petrovsky–Piskunov Equation

A Mathematical Modeling Approach from Nonlinear Dynamics to Complex Systems : On Symmetries and... [This chapter presents a generalized Fisher equation (GFE) from the point of view of the theory of symmetry reductions in partial differential equations. The GFE can be used to describe an ideal growth and spatial-diffusion phenomena. The reductions to ordinary differential equations are derived from the optimal system of subalgebras and new exact solutions are obtained. Conservation laws for this equation are constructed. The potential system has been achieved from the complete list of the conservation laws. Potential symmetries, which are not local symmetries, are carried out for the generalized Fisher equation, these symmetries lead to the linearization of the equation by non-invertible mappings.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

A Mathematical Modeling Approach from Nonlinear Dynamics to Complex Systems On Symmetries and Conservation Laws for a Generalized Fisher–Kolmogorov–Petrovsky–Piskunov Equation

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References (36)

Publisher
Springer International Publishing
Copyright
© Springer International Publishing AG, part of Springer Nature 2019
ISBN
978-3-319-78511-0
Pages
27 –50
DOI
10.1007/978-3-319-78512-7_3
Publisher site
See Chapter on Publisher Site

Abstract

[This chapter presents a generalized Fisher equation (GFE) from the point of view of the theory of symmetry reductions in partial differential equations. The GFE can be used to describe an ideal growth and spatial-diffusion phenomena. The reductions to ordinary differential equations are derived from the optimal system of subalgebras and new exact solutions are obtained. Conservation laws for this equation are constructed. The potential system has been achieved from the complete list of the conservation laws. Potential symmetries, which are not local symmetries, are carried out for the generalized Fisher equation, these symmetries lead to the linearization of the equation by non-invertible mappings.]

Published: Jun 15, 2018

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