Nonclassical equivalence transformations associated with a parameter identification problem

Details Nonclassical equivalence transformations associated with a parameter identification problem Nonclassical equivalence transformations associated with a parameter identification problem

2008-07-09

arxiv.org/abs/0807.1462v1

J. Nonlinear Math. Phys., 16(3):355-371, 2009

Mathematics

Analysis of PDEs

18 pages

Scientific paper

10.1142/S1402925109000273

A special class of symmetry reductions called nonclassical equivalence transformations is discussed in connection to a class of parameter identification problems represented by partial differential equations. These symmetry reductions relate the forward and inverse problems, reduce the dimension of the equation, yield special types of solutions, and may be incorporated into the boundary conditions as well. As an example, we discuss the nonlinear stationary heat conduction equation and show that this approach permits the study of the model on new types of domains. Our MAPLE routine GENDEFNC which uses the package DESOLV (authors Carminati and Vu) has been updated for this propose and its output is the nonlinear partial differential equation system of the determining equations of the nonclassical equivalence transformations.

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