Agarwal, R.P.; O'Regan, D.; P. J. Y. Wong
(Нелінійні коливання, 2004)
We consider the following system of difference equations:
ui(k) = λ∑gi(k, l)Pi(l, u1(l), u2(l), . . . , un(l)), k ∈ {0, 1, . . . }, 1 ≤ i ≤ n,
where λ > 0 and T ≥ N ≥ 0. Our aim is to determine those values of λ such ...