Asymptotic Properties of Solutions of Fourth-Order Delay Differential Equations
نویسندگان
چکیده
منابع مشابه
Periodic solutions of fourth-order delay differential equation
In this paper the periodic solutions of fourth order delay differential equation of the form $ddddot{x}(t)+adddot{x}(t)+f(ddot{x}(t-tau(t)))+g(dot{x}(t-tau(t)))+h({x}(t-tau(t)))=p(t)$ is investigated. Some new positive periodic criteria are given.
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and Applied Analysis 3 2. Main Results It will be derived that properties of E are closely connected with the corresponding secondorder differential equation ( 1 r t v′ t )′ p t v t 0 Ev as the following theorem says. Theorem 2.1. Let v t be a positive solution of Ev . Then E can be written as ( v2 t r t ( 1 v t y′ t )′)′ q t v t y σ t 0. E Proof. The proof follows from the fact that 1 v t ( v2...
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in this paper the periodic solutions of fourth order delay differential equation of the form $ddddot{x}(t)+adddot{x}(t)+f(ddot{x}(t-tau(t)))+g(dot{x}(t-tau(t)))+h({x}(t-tau(t)))=p(t)$ is investigated. some new positive periodic criteria are given.
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ژورنال
عنوان ژورنال: Symmetry
سال: 2019
ISSN: 2073-8994
DOI: 10.3390/sym11050628