OSCILLATION OF CERTAIN SECOND ORDER DIFFERENCE EQUATIONS  

作　　者：常玉 李旭东 

出　　处：《Annals of Differential Equations》2000年第3期213-220,共8页微分方程年刊（英文版）

摘　　要：In this paper, the second order difference equation: △(rn△xn) + f(n, xn) = 0, n∈N(n0) (E) is considered. Some necessary and sufficient conditions for the oscillation of Eq.(E) are obtained.In this paper, the second order difference equation: △(rn△xn) + f(n, xn) = 0, n∈N(n0) (E) is considered. Some necessary and sufficient conditions for the oscillation of Eq.(E) are obtained.

关 键 词：superlinear(sublinear) strongly superlinear(strongly sublinear) strong superlinearity (strong sublinearity) constant 

分 类 号：O175[理学—数学]