Proceedings of the American Mathematical Society · 1974 · 14 citations · 5 references
Natural SciencesMathematicsDifferential EquationsDynamical SystemsDissipative SystemsNonlinear DynamicsOscillatorsPerturbation MethodsPerturbation TheoryStability TheoryFunctional EquationsLinear OscillationsNonlinear OscillationsOscillation TheoryPeriodic PerturbationsPeriodic Solutions Of Differential EquationsSmall OscillationsStability Of Functional Differential Equations
Some new criteria are given for the oscillation of solutions of perturbed functional-differential equations of the form (I) *"*' + P(t)f(x(g(t))) = Q(t).The results are new even in the case^(i)-', or when (I) is linear.The function Q(t) does not have to be small or periodic.
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