An Inequality for Second Order Differential Equation with Retarded Argument
Erdoğan Şen
DOI: 10.4236/apm.2011.14043   PDF    HTML     5,123 Downloads   10,870 Views   Citations


Applications of differential equations with retarded argument can be encountered in the theory of automatic control, in the theory of self-oscillatory systems, in the study of problems connected with combustion in rocket engines, in a number of problems in economics, biophysics. The problems in this areas can be solved reducing differential equations with retarded argument. In this work an important inequality for second order differential equation with retarded argument is obtained.

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E. Şen, "An Inequality for Second Order Differential Equation with Retarded Argument," Advances in Pure Mathematics, Vol. 1 No. 4, 2011, pp. 243-244. doi: 10.4236/apm.2011.14043.

Conflicts of Interest

The authors declare no conflicts of interest.


[1] E. A. Coddington and N. Levinson, “Theory of Ordinary Differential Equations,” McGraw-Hill, New York, 1955.
[2] S. B. Norkin, “Differential Equations of the Second Order with Retarded Argument,” AMS, Providence, 1972.

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