2017
Том 69
№ 6

All Issues

Oscillation criteria for nonlinear second-order differential equations with damping

Çakmak D.

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Abstract

Some new oscillation criteria are given for general nonlinear second-order ordinary differential equations with damping of the form x?+?p?(?t?)?x?+?q?(?t?)?f?(?x?) = 0, where f is monotone or nonmonotone. Our results generalize and extend some earlier results of Deng.

English version (Springer): Ukrainian Mathematical Journal 60 (2008), no. 5, pp 799-809.

Citation Example: Çakmak D. Oscillation criteria for nonlinear second-order differential equations with damping // Ukr. Mat. Zh. - 2008. - 60, № 5. - pp. 694–700.

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