Asymptotic and oscillatory behavior of higher order quasilinear delay differential equations

In the paper, we offer such generalization of a lemma due to Philos (and partially Staikos), that yields many applications in the oscillation theory. We present its disposal in the comparison theory and we establish new oscillation criteria for $n-$th order delay differential equation \begin{equati...

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Main Authors: Blanka Baculíková, Jozef Džurina
Format: Article
Language:English
Published: University of Szeged 2012-11-01
Series:Electronic Journal of Qualitative Theory of Differential Equations
Subjects:
Online Access:http://www.math.u-szeged.hu/ejqtde/periodica.html?periodica=1&paramtipus_ertek=publication&param_ertek=1807
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author Blanka Baculíková
Jozef Džurina
author_facet Blanka Baculíková
Jozef Džurina
author_sort Blanka Baculíková
collection DOAJ
description In the paper, we offer such generalization of a lemma due to Philos (and partially Staikos), that yields many applications in the oscillation theory. We present its disposal in the comparison theory and we establish new oscillation criteria for $n-$th order delay differential equation \begin{equation*} \left(r(t)\left[x'(t)\right]^{\gamma}\right)^{(n-1)}+q(t)x^{\gamma}(\tau(t))=0.\tag{$E$} \end{equation*} The presented technique essentially simplifies the examination of the higher order differential equations.
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spelling doaj.art-f420a43b5e2242dea4ab9b0a630a65ce2023-05-09T07:53:02ZengUniversity of SzegedElectronic Journal of Qualitative Theory of Differential Equations1417-38752012-11-0120128911010.14232/ejqtde.2012.1.891807Asymptotic and oscillatory behavior of higher order quasilinear delay differential equationsBlanka Baculíková0Jozef Džurina1Technical University of Kosice, Kosice, SlovakiaTechnical University of Kosice, Kosice, SlovakiaIn the paper, we offer such generalization of a lemma due to Philos (and partially Staikos), that yields many applications in the oscillation theory. We present its disposal in the comparison theory and we establish new oscillation criteria for $n-$th order delay differential equation \begin{equation*} \left(r(t)\left[x'(t)\right]^{\gamma}\right)^{(n-1)}+q(t)x^{\gamma}(\tau(t))=0.\tag{$E$} \end{equation*} The presented technique essentially simplifies the examination of the higher order differential equations.http://www.math.u-szeged.hu/ejqtde/periodica.html?periodica=1&paramtipus_ertek=publication&param_ertek=1807n-th order differential equationsoscillation
spellingShingle Blanka Baculíková
Jozef Džurina
Asymptotic and oscillatory behavior of higher order quasilinear delay differential equations
Electronic Journal of Qualitative Theory of Differential Equations
n-th order differential equations
oscillation
title Asymptotic and oscillatory behavior of higher order quasilinear delay differential equations
title_full Asymptotic and oscillatory behavior of higher order quasilinear delay differential equations
title_fullStr Asymptotic and oscillatory behavior of higher order quasilinear delay differential equations
title_full_unstemmed Asymptotic and oscillatory behavior of higher order quasilinear delay differential equations
title_short Asymptotic and oscillatory behavior of higher order quasilinear delay differential equations
title_sort asymptotic and oscillatory behavior of higher order quasilinear delay differential equations
topic n-th order differential equations
oscillation
url http://www.math.u-szeged.hu/ejqtde/periodica.html?periodica=1&paramtipus_ertek=publication&param_ertek=1807
work_keys_str_mv AT blankabaculikova asymptoticandoscillatorybehaviorofhigherorderquasilineardelaydifferentialequations
AT jozefdzurina asymptoticandoscillatorybehaviorofhigherorderquasilineardelaydifferentialequations