Jozef Dzurina, Blanka Baculikova, Irena Jadlovska
Abstract:
The objective of this article is to study the oscillation properties of
the solutions to the fourth-order linear trinomial delay differential
equation
Applying suitable comparison principles, we present new criteria for
oscillation. In contrast with the existing results, we establish
oscillation of all solutions, and essentially simplify the examination
process for oscillation. An example is included to illustrate the
importance of results obtained.
Submitted February 5, 2015. Published March 24, 2015.
Math Subject Classifications: 34C10, 34K11.
Key Words: Fourth-order functional differential equation;
oscillation; delay argument; comparison theorem.
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Jozef Dzurina Department of Mathematics Faculty of Electrical Engineering and Informatics Technical University of Kosice Letna 9, 042 00 Kosice, Slovakia email: jozef.dzurina@tuke.sk | |
Blanka Baculikova Department of Mathematics Faculty of Electrical Engineering and Informatics Technical University of Kosice Letna 9, 042 00 Kosice, Slovakia email: blanka.baculikova@tuke.sk | |
Irena Jadlovska Department of Mathematics 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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