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Automatically determining symmetries of partial differential equations. (English) Zbl 0555.65076
A REDUCE package for determining the group of Lie symmetries of an arbitrary system of partial differential equations is described. It may be used both interactively and in a batch mode. In many cases the system finds the full group completely automatically. In some other cases there are a few linear differential equations of the determining system left the solution of which cannot be found automatically at present. If it is provided by the user, the infinitesimal generators of the symmetry group are returned.

65Z05Applications of numerical analysis to physics
65YxxComputer aspects of numerical algorithms
35-04Machine computation, programs (partial differential equations)
35C05Solutions of PDE in closed form
22E99Lie groups
Full Text: DOI
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