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Proceedings of the American Mathematical Society

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Oscillation properties of the $ 2-2$ disconjugate fourth order selfadjoint differential equation

Author: Leo J. Schneider
Journal: Proc. Amer. Math. Soc. 28 (1971), 545-550
MSC: Primary 34.42
MathSciNet review: 0281999
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Abstract: This paper contains a proof that either all, or none, of the nontrivial solutions of the fourth order linear selfadjoint differential equation have an infinite number of zeros on a half line, provided that no nontrivial solution has more than one double zero on that half line.

References [Enhancements On Off] (What's this?)

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Keywords: Conjugate point, disconjugacy, $ n{\text{ - }}n$ disconjugacy for $ n = 2$, Morse index, nonoscillatory solution, oscillatory solution, separation of zeros, self-adjoint differential equation of fourth order
Article copyright: © Copyright 1971 American Mathematical Society

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