Oscillation of a forced second order nonlinear differential equation

Rankin, Samuel M.

doi:10.1090/S0002-9939-1976-0414997-3

Oscillation of a forced second order nonlinear differential equation
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by Samuel M. Rankin PDF

Proc. Amer. Math. Soc. 59 (1976), 279-282 Request permission

Abstract:

Sufficient conditions are given which insure that every solution of $(a(t)y’)’ + p(t)f(y)g(y’) = r(t)$ has arbitrarily large zeros. We seem to have a partial answer to a question posed by Kartsatos [4]. An example is given illustrating the result.

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