30 citations · 69 across the 8 of their papers we have counts for
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math-ph2007★ 30 cited
Noether theorem for mu-symmetries
G. Cicogna, G. Gaeta
We give a version of Noether theorem adapted to the framework of mu-symmetries; this extends to such case recent work by Muriel, Romero and Olver in the framework of lambda-symmetr…
math-ph2007
Symmetry classification of quasi-linear PDE's containing arbitrary functions
Giampaolo Cicogna
We consider the problem of performing the preliminary "symmetry classification'' of a class of quasi-linear PDE's containing one or more arbitrary functions: we provide an easy con…