On asymptotic property for nonlinear difference systems
Commun. Korean Math. Soc. 2005 Vol. 20, No. 2, 351-358 Printed June 1, 2005
Sung Kyu Choi, Nam Jip Koo, Dong Man Im Chungnam National University, Chungnam National University, Chongju University
Abstract : We study asymptotic equivalence between nonlinear difference system $$\Delta x(n)=f(n,x(n)) $$ and its variational system $$\Delta v(n)=f_x(n,0)v(n).$$