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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(online) ISSN 0002-9939(print)


Oscillation theorems for second order linear differential equations with damping

Author: Ju Rang Yan
Journal: Proc. Amer. Math. Soc. 98 (1986), 276-282
MSC: Primary 34C10; Secondary 34C15
MathSciNet review: 854033
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Abstract: In this paper, we present some criteria for the oscillation of the differential equation with damping

$\displaystyle (r(t)x'(t))' + p(t)x'(t) + q(t)x(t) = 0,\quad t \in ({t_0},\infty ),$

where $ p(t)$ and $ q(t)$ are allowed to change sign on $ [{t_0},\infty )$, and $ \gamma (t) > 0$. One of our results is new even for the differential equations

$\displaystyle x''(t) + q(t)x(t) = 0,$


$\displaystyle x''(t) + p(t)x'(t) + q(t)x(t) = 0.$

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Additional Information

PII: S 0002-9939(1986)0854033-4
Keywords: Second order differential equation with damping, oscillation
Article copyright: © Copyright 1986 American Mathematical Society