Invariant solutions of nonlinear diffusion equations with maximal symmetry algebra


Galaktionov, V. and Svirshchevskii, S. R., 2011. Invariant solutions of nonlinear diffusion equations with maximal symmetry algebra. Journal of Nonlinear Mathematical Physics, 18, pp. 107-121.

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Nonlinear n-dimensional second-order diffusion equations admitting maximal Lie algebras of point symmetries are considered. Examples of invariant solutions, as well as of solutions on invariant subspaces for some nonlinear operators, are constructed for arbitrary n. A complete description of all possible types of invariant solutions is given in the case n = 2 for the equation possessing an infinitely dimensional symmetry algebra. The results obtained are generalized for the hyperbolic and other fourth-order parabolic equations of thin film and nonlinear dispersion type.


Item Type Articles
CreatorsGalaktionov, V.and Svirshchevskii, S. R.
DepartmentsFaculty of Science > Mathematical Sciences
ID Code24608
Additional Information14th International Conference on Modern Group Analysis (MOGRAN-14). 25 May - 2 June 2010. Vidsel, Sweden. Suppl. 1


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