Martin Bohner, Said R. Grace, Irena Jadlovska
Abstract:
This paper is a continuation of the recent study by Bohner et al [9]
on oscillation properties of nonlinear third order functional differential
equation under the assumption that the second order differential equation
is nonoscillatory. We consider both the delayed and advanced case of the
studied equation. The presented results correct and extend earlier ones.
Several illustrative examples are included.
Submitted June 23, 2016. Published August 12, 2016.
Math Subject Classifications: 34C10, 34K11.
Key Words: Oscillation; delay; advance; third order; damping;
functional differential equation.
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Martin Bohner Missouri University of Science and Technology Department of Mathematics and Statistics Rolla, Missouri 65409-0020, USA email: bohner@mst.edu |
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Said R. Grace Department of Engineering Mathematics Faculty of Engineering, Cairo University Orman, Giza 12221, Egypt email: srgrace@eng.cu.edu.eg |
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Irena Jadlovska Department of Mathematics and Theoretical Informatics Faculty of Electrical Engineering and Informatics Technical University of Kosice Letna 9, 042 00 Kosice, Slovakia email: irena.jadlovska@student.tuke.sk |
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