nonlinear difference equations;
stability;
area preserving map;
KAM theory;
D O I:
10.1006/jmaa.1998.6194
中图分类号:
O29 [应用数学];
学科分类号:
070104 ;
摘要:
In this paper using KAM theory we investigate the stability nature of the zero equilibrium of the system of two nonlinear difference equations [GRAPHICS] where a(i),b(i),c(i), i = 1,2 are real constants and f: R --> R is a C-infinity function. (C) 1999 Academic Press.
机构:
Serbian Acad Sci, Math Inst, Knez Mihailova 36-3, Beograd 11000, Serbia
China Med Univ, China Med Univ Hosp, Dept Med Res, Taichung 40402, TaiwanSerbian Acad Sci, Math Inst, Knez Mihailova 36-3, Beograd 11000, Serbia