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Proceedings of the American Mathematical Society

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On disconjugacy and $ k$-point disconjugacy for linear ordinary differential operators


Author: James S. Muldowney
Journal: Proc. Amer. Math. Soc. 92 (1984), 27-30
MSC: Primary 34C10
DOI: https://doi.org/10.1090/S0002-9939-1984-0749883-7
MathSciNet review: 749883
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Abstract: It is shown that a linear ordinary differential operator of order $ n$ which is $ k$-point disconjugate on an open interval for some $ k$, $ 2 \le k \le n$, is also disconjugate on that interval.


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DOI: https://doi.org/10.1090/S0002-9939-1984-0749883-7
Keywords: Linear differential equation, disconjugacy
Article copyright: © Copyright 1984 American Mathematical Society