Ermakov's superintegrable toy and nonlocal symmetries.
Leach, P.G.L., Karasu, A., Nucci, M.C., Andriopoulos, K. (2005)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Displaying similar documents to “The differential form method for finding symmetries.”
Ermakov's superintegrable toy and nonlocal symmetries.
A Computer Algebra Application to Determination of Lie Symmetries of Partial Differential Equations
Pulov, Vladimir, Chacarov, Edy, Uzunov, Ivan (2007)
Serdica Journal of Computing
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The paper has been presented at the 12th International Conference on Applications of Computer Algebra, Varna, Bulgaria, June, 2006 A MATHEMATICA package for finding Lie symmetries of partial differential equations is presented. The package is designed to create and solve the associated determining system of equations, the full set of solutions of which generates the widest permissible local Lie group of point symmetry transformations. Examples illustrating the functionality...
Group Classification of Variable Coefficient Quasilinear Reaction-diffusion Equations
Olena Vaneeva, Alexander Zhalij (2013)
Publications de l'Institut Mathématique
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On the Virasoro structure of symmetry algebras of nonlinear partial differential equations.
Güngör, Faruk (2006)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Lie group analysis of a flow with contaminant-modified viscosity.
Moitsheki, Raseelo J. (2007)
Journal of Applied Mathematics
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Another representation for the maximal Lie algebra of in terms of operators.
Feroze, Tooba, Qadir, Asghar (2009)
Differential Equations & Nonlinear Mechanics
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Lie symmetries analysis of the shallow water equations.
Ouhadan, Abdelaziz, El Kinani, El Hassan (2009)
Applied Mathematics E-Notes [electronic only]
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Nonclassical approximate symmetries of evolution equations with a small parameter.
Kordyukova, Svetlana (2006)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Nonlocal symmetries and generation of solutions for partial differential equations.
Tychynin, Valentyn, Petrova, Olga, Tertyshnyk, Olesya (2007)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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General theory of Lie derivatives for Lorentz tensors
Lorenzo Fatibene, Mauro Francaviglia (2011)
Communications in Mathematics
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We show how the ad hoc prescriptions appearing in 2001 for the Lie derivative of Lorentz tensors are a direct consequence of the Kosmann lift defined earlier, in a much more general setting encompassing older results of Y. Kosmann about Lie derivatives of spinors.
Using Lie symmetries in epidemiology.
Nucci, Maria Clara (2005)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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