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Zbl 1167.34325
Huang, Yan; Meng, Fanwei
Oscillation criteria for forced second-order nonlinear differential equations with damping. (English)
[J] J. Comput. Appl. Math. 224, No. 1, 339-345 (2009). ISSN 0377-0427

The authors investigate oscillations of a class of forced second-order differential equations with nonlinear damping terms. Some new interval oscillation criteria for the equations are obtained via using a classical variational principle and an averaging technique. Also, some examples which improve and extend some known results are included.
[Hong Zhang (Umeå)]
MSC 2000:
*34C10 Qualitative theory of oscillations of ODE: Zeros, etc.

Keywords: interval oscillation criteria; second-order; differential equations; nonlinear damping term

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