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Zbl 0932.39008
Zhang, B.G.; Yan, Jun; Choi, S.K.
Oscillation for difference equations with continuous variable.
(English)
[J] Comput. Math. Appl. 36, No.9, 11-18 (1998). ISSN 0898-1221

Summary: Consider the delay difference equation $$y(t)-y(t-\tau)+p(t)H\bigl(y(t-\sigma)\bigr)=f(t),\quad t\ge 0,$$ where $\tau>0$, $\sigma>0$, and $p\in C(\bbfR_+,\bbfR_+)$, $f\in C(\bbfR_+,\bbfR)$, $H\in C(\bbfR,\bbfR)$. Some oscillation criteria for this equation are obtained.
MSC 2000:
*39A11 Stability of difference equations

Keywords: nonlinear; forced oscillation; delay difference equation

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