Data di Pubblicazione:
2004
Citazione:
On the relation between standard and mu-symmetries for PDEs / G. Cicogna, G. Gaeta, P. Morando. - In: JOURNAL OF PHYSICS. A, MATHEMATICAL AND GENERAL. - ISSN 0305-4470. - 37:40(2004 Oct), pp. 9467-9486.
Abstract:
We give a geometrical interpretation of the notion of mu-prolongations of vector
fields and of the related concept of mu-symmetry for partial differential equations
(extending to PDEs the notion of lambda-symmetry for ODEs). We give in particular
a result concerning the relationship between mu-symmetries and standard exact
symmetries. The notion is also extended to the case of conditional and partial
symmetries, and we analyze the relation between local mu-symmetries and
nonlocal standard symmetries.
Tipologia IRIS:
01 - Articolo su periodico
Elenco autori:
G. Cicogna, G. Gaeta, P. Morando
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