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Periodic Solution

Permanence and Stable Periodic Solution for a Discrete Competitive System with Multidelays

Permanence and Stable Periodic Solution for a Discrete Competitive System with Multidelays

... The results obtained in this paper are complements to those related with model 1.1. We give some examples to show that the results here are not enclosed by other earlier works. The paper is organized as follows. In next ...

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Periodic Solution of the restricted three body problem

Periodic Solution of the restricted three body problem

... In this paper we have studied the generalization of the restricted three body problem introducing perturbation in the centrifugal force. We have examined the existence of the periodic solution taking the ...

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Almost periodic solution of an impulsive multispecies logarithmic population model

Almost periodic solution of an impulsive multispecies logarithmic population model

... By utilizing the continuous theorem of coincidence degree theory, we obtain some suf- ficient conditions for the existence of almost periodic solution of Eq. (.). Our results generalize previous results ...

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Periodic solution for a delay nonlinear population equation with feedback control and periodic external source

Periodic solution for a delay nonlinear population equation with feedback control and periodic external source

... and to other nonlinear population equations as special cases of (1.2) (see, for instance [16, 10] and the references therein). In this paper, we deal with system (1.2). In the light of above discussion, it seems ...

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Existence of almost periodic solution for neutral Nicholson blowflies model

Existence of almost periodic solution for neutral Nicholson blowflies model

... almost periodic solution of Nicholson-type ...almost periodic solutions of the following Nicholson blowflies model with path structure and multiple lin- ear harvesting ...

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On the existence of a periodic solution of a nonlinear ordinary differential equation

On the existence of a periodic solution of a nonlinear ordinary differential equation

... ON THE EXISTENCE OF A PERIODIC SOLUTION OF A NONUNEAR ORDINARY DIFFERENTIAL EQUATION HSlN CHU University of Marylnd College Park, MD 20742.. SUNHONG DING Institute of Mathematical Scienc[r] ...

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Asymptotic stability of positive periodic solution for semilinear evolution equations

Asymptotic stability of positive periodic solution for semilinear evolution equations

... concerning periodic solutions of partial differential equations are an im- portant area of investigation in recent ...of periodic solutions for the evolution equations has been considered by several authors; ...

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The existence of almost periodic solution: via coincidence degree theory

The existence of almost periodic solution: via coincidence degree theory

... almost periodic solutions of ordinary differential equations has been dis- cussed extensively in theory and in practice (for example, see [–] and the references cited ...almost periodic differential ...

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Optimal Conditions for Maximum and Antimaximum Principles of the Periodic Solution Problem

Optimal Conditions for Maximum and Antimaximum Principles of the Periodic Solution Problem

... the periodic solution problem of ...to periodic eigenvalues, but also to antiperiodic ...the periodic solution problem in literature like 7–9 for a brief explanation to these ...

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Positive Periodic Solution for a Two Species Predator Prey System

Positive Periodic Solution for a Two Species Predator Prey System

... By using a continuation theorem based on coincidence degree theory, we obtain some sufficient conditions for the existence of periodic solution for the system... Keywords Predator-Prey S[r] ...

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Positive periodic solution of a discrete obligate Lotka-Volterra model

Positive periodic solution of a discrete obligate Lotka-Volterra model

... one solution (u ∗ 1 (k), u ∗ 2 (k)) T , in DomL ∩ ...positive periodic solution (x ∗ 1 (k), x ∗ 2 (k)) T , where x ∗ i (k) = exp{u ∗ i (k)}, i = 1, 2, This completes the proof of the ...

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Asymptotically almost periodic solution to a class of Volterra difference equations

Asymptotically almost periodic solution to a class of Volterra difference equations

... almost periodic solution to a class of Volterra-type difference ...almost periodic solution to the addressed Volterra-type difference ...

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ALMOST PERIODIC SOLUTION OF A MULTISPECIES DISCRETE LOTKA-VOLTERRA MUTUALISM SYSTEM

ALMOST PERIODIC SOLUTION OF A MULTISPECIES DISCRETE LOTKA-VOLTERRA MUTUALISM SYSTEM

... In this paper, we consider an almost periodic multispecies discrete Lotka-Volterra mutualism system. We first obtain the permanence of the system by utilizing the theory of difference equation. By means of ...

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Positive periodic solution for indefinite singular Liénard equation with p Laplacian

Positive periodic solution for indefinite singular Liénard equation with p Laplacian

... T- periodic solution to the above equation and proved that no T -periodic solution of certain homotopy appears on the boundary of an unbounded open set during the deformation to an autonomous ...

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Positive periodic solution of higher order functional difference equation

Positive periodic solution of higher order functional difference equation

... Based on a fixed point theorem in a cone, a new sufficient condition for the existence of a positive periodic solution to a class of higher-order functional difference equations is established in this ...

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On Massera’s theorem concerning the uniqueness of a periodic solution for the Liénard equation. When does such a periodic solution actually exist?

On Massera’s theorem concerning the uniqueness of a periodic solution for the Liénard equation. When does such a periodic solution actually exist?

... a periodic solution when f is monotone increasing for x > 0 and monotone decreasing for x < 0 but with a single zero, because in this case the existence is not ...a periodic solution and ...

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Periodic Solution for Stochastic Predator Prey Systems with Nonlinear Harvesting and Impulses

Periodic Solution for Stochastic Predator Prey Systems with Nonlinear Harvesting and Impulses

... positive periodic solution of the sto- chastic system ...the periodic solution of the impulsive stochastic differential equa- tion in the sense of distribution and the results of the existence ...

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Existence of positive periodic solution of a periodic cooperative
model with delays and impulses

Existence of positive periodic solution of a periodic cooperative model with delays and impulses

... The organization of this paper is as follows. In Section 2, we introduce some nota- tions and definitions, and state some preliminary results needed in later sections. We then study, in Section 3, the existence of ...

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Uniqueness of Periodic Solution for a Class of Liénard  Laplacian Equations

Uniqueness of Periodic Solution for a Class of Liénard Laplacian Equations

... By topological degree theory and some analysis skills, we consider a class of generalized Li´enard type p-Laplacian equations. Upon some suitable assumptions, the existence and uniqueness of periodic solutions for ...

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Periodic solution for a delay integro-differential equation in biomathematics

Periodic solution for a delay integro-differential equation in biomathematics

... nontrivial periodic nonnegative and continous solutions for this equation are given in the case of a periodic contact rate: f (t + ω, x) = f (t, x) , ∀t ∈ R ...the solution in ...continuous ...

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