Open AccessMei symmetries of a type of dynamical equations
Author(s) -
Ge Wei-Kuan
Publication year - 2007
Publication title -
acta physica sinica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.56.1
Subject(s) - noether's theorem , symmetry (geometry) , conserved quantity , mathematical physics , physics , homogeneous space , type (biology) , conserved current , classical mechanics , lagrangian , mathematics , geometry , biology , ecology
The definition and the criterion of a Mei symmetry for a type of dynamical equations are presented. The Noether conserved quantity can be deduced when the Mei symmetry is a Noether symmetry .The Hojman conserved quantity can be obtained if the Mei symmetry is a Lie symmetry. In addition, a new conserved quantity can be found by the Mei symmetry.
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