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Completion to Involution and Symmetry Analysis
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| Co-author(s): Marcus Hausdorf |
| Reference: Proc. Computer Algebra and Applications in Physics,
Dubna 2001, V.P. Gerdt (ed.), pp. 169-179 |
| Description: The article discusses some applications of the formal theory of
differential equations in the context of Lie symmetry analysis. This
includes a comparison of different definitions of symmetries
stressing the importance of local solvability and some "counting
games": determining the size of the symmetry group and related
issues. Special emphasis is put on a proper formulation of the
non-classical method which is usually applied only in a very
restricted manner. |
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