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Oscillation of the solutions of hyperbolic partial functional differential equations of neutral type. (Chinese. English summary) Zbl 1038.35144

Summary: Oscillatory properties of solutions of certain nonlinear neutral hyperbolic functional differential equations are investigated and a series of sufficient conditions for oscillations of the equations are established. The results indicate that the oscillations are caused by delay.

MSC:

35R10 Partial functional-differential equations
35L70 Second-order nonlinear hyperbolic equations
35B05 Oscillation, zeros of solutions, mean value theorems, etc. in context of PDEs
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