International Journal of Mathematics and Mathematical Sciences
Volume 6 (1983), Issue 2, Pages 387-393
doi:10.1155/S0161171283000332
Abstract
For the linear difference equation
Δ(cn−1Δxn−1)+anxn=0 with cn>0,
a non-oscillation comparison theorem given in terms of the coefficients cn and the series ∑n=k∞an, has been proved.