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On form-preserving point transformations of partial differential equations

โœ Scribed by Kingston, J G; Sophocleous, C


Book ID
121416838
Publisher
Institute of Physics
Year
1998
Tongue
English
Weight
251 KB
Volume
31
Category
Article
ISSN
0305-4470

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Symmetries and form-preserving transform
โœ Christodoulos Sophocleous ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 234 KB

We consider the variable coe cient inhomogeneous nonlinear di usion equations of the form f(x)ut =[g(x)u n ux] x . We present a complete classiรฟcation of Lie symmetries and form-preserving point transformations in the case where f(x) = 1 which is equivalent to the original equation. We also introduc