On the oscillation of certain fourth order functional differential equations

Abstract

No AccessOn the oscillation of certain fourth order functional differential equationsSaid R. Grace, Ravi P. Agarwal, Raffaella Pavani and Jelena V. ManojlovicSaid R. Grace Faculty of Engineering, Department of Engineering Mathematics, Cairo University, Orman, Giza 12221, Egypt. , Ravi P. Agarwal Department of Mathematical Sciences, Florida Institute of Technology, Melbourne, FL 32901, USA. , Raffaella Pavani Department of Mathematics, Politecnico diMilano, 20133 Milano, Italy. and Jelena V. Manojlovic Faculty of Science and Mathematics, Department of Mathematics and Computer Science, University of Nis, Visegradska 33, 18000 Nis, Serbia Published Online:July 21, 2008pp 155-163https://doi.org/10.1504/IJDSDE.2008.019677PDF ToolsAdd to FavouritesDownload CitationsTrack Citations Share this article on social mediaShareShare onFacebookTwitterLinkedInReddit AboutAbstractSome new criteria for the oscillation of the fourth order functional differential equation (1/a(t)(x″(t))α)″ = q(t)f(x[g(t)]) + p(t)h(x[σ(t)]) are established.Keywordscomparison, functional differential equations, fourth order FDE, nonoscillation, oscillation Previous article Next article FiguresReferencesRelatedDetails Volume 1Issue 32008 ISSN: 1752-3583eISSN: 1752-3591 HistoryPublished onlineJuly 21, 2008 Keywordscomparisonfunctional differential equationsfourth order FDEnonoscillationoscillationAuthors and AffiliationsSaid R. Grace1 Ravi P. Agarwal2 Raffaella Pavani3 Jelena V. Manojlovic4 1. Faculty of Engineering, Department of Engineering Mathematics, Cairo University, Orman, Giza 12221, Egypt. 2. Department of Mathematical Sciences, Florida Institute of Technology, Melbourne, FL 32901, USA. 3. Department of Mathematics, Politecnico diMilano, 20133 Milano, Italy. 4. Faculty of Science and Mathematics, Department of Mathematics and Computer Science, University of Nis, Visegradska 33, 18000 Nis, Serbia PDF download