Oscillation of forced neutral differential equations with positive and negative coefficients |
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| Authors: | Tao Youshan Gao Guozhu |
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| Affiliation: | (1) Department of Basic Sciences, China Textile University, 200051 Shanghai |
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| Abstract: | ![]()
In this paper the forced neutral differential equation with positive and negative coefficients is considered, where f ε L 1(t 0, ∞) ∩ C ([t 0, ∞),R), P,Q,R ε C ([t 0, ∞), R +) and r,τ,σ∈(0, ∞). The sufficient conditions to oscillate for all solutions of this equation are studied. |
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| Keywords: | 1991 MR Subject Classification 34K15 |
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![$$frac{d}{{dt}}left[ {x(t) - R(t)x(t - r)} right] + P(t)x(t - tau ) - Q(t)x(t - sigma ) = f(t),t_0 ,$$](/content/407357G47826058N/11766_1998_Article_19_TeX2GIFE1.gif)