Open AccessThe Mei symmetry of discrete difference sequence mechanical system with variable mass
Author(s) -
Huang Xiao-Hong,
Xiaobo Zhang,
Shi Shen-Yang
Publication year - 2008
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.57.6056
Subject(s) - infinitesimal , symmetry (geometry) , homogeneous space , sequence (biology) , conserved quantity , physics , transformation (genetics) , variable (mathematics) , mathematical physics , infinitesimal transformation , discrete variable , conservation law , classical mechanics , mathematics , mathematical analysis , pure mathematics , quantum mechanics , geometry , biochemistry , chemistry , genetics , gene , biology
The Mei symmetry and conserved quantity of a discrete difference sequence mechanical system with variable mass are studied in this paper. The form invariance of difference sequence equations for the discrete system under infinitesimal transformation groups is defined as Mei symmetry and the criterion when conserved quantities may be obtained from Mei symmetries is also presented. An example is given to demonstrate the applications of the results.