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[QPSI] - a MAPLE package for the determination of quasi-polynomial symmetries and invariants

par Rocha Filho, Tarcísio T.M.;Figueiredo, Annibal;Brenig, Léon
Référence Computer physics communications, 117, 3, page (263-272)
Publication Publié, 1999-03

Article révisé par les pairs

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Résumé :

The quasi-polynomial symmetries and invariants (QPSI) MAPLE package is an extension of other methods tailored to study dynamical systems. The inclusion of quasi-polynomial functions in the systematic search of invariants, symmetries and invariant tensors allows one to search for new integrable cases of known systems. The theoretical results by the authors used in the package are given.