[PDF] Top 20 Positive periodic solutions for neutral multi delay logarithmic population model
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Positive periodic solutions for neutral multi delay logarithmic population model
... of positive periodic solution of Equa- tion (1) is equivalent to the existence of periodic solution of Equation ...of periodic solution of Equation (2), we need some definitions and ... See full document
9
Existence of positive periodic solutions for the impulsive Lotka–Volterra cooperative population model with time delay and harvesting control on time scales
... cooperative population models with time delay and harvesting control on time ...of positive periodic solutions for this ...of positive periodic solutions for some ... See full document
17
Existence and global stability of positive periodic solutions of a discrete delay competition system
... any periodic change of climate tends to impose its pe- riod upon oscillations of internal origin or to cause such oscillations to have a harmonic relation to periodic climatic ...are periodic ... See full document
13
Positive periodic solutions of functional discrete systems and population models
... The existence of multiple positive periodic solutions of nonlinear functional di ff eren- tial equations has been studied extensively in recent years. Some appropriate references are [1, 14]. We are ... See full document
12
New results on positive almost periodic solutions for first order neutral differential equations
... the positive periodic solutions of ...of population and ecology prob- lems are much more realistic in the real ...almost periodic type solutions for first- order functional ... See full document
6
Positive Periodic Solutions for Neutral Delay Ratio Dependent Predator Prey Model with Holling Tanner Functional Response
... Recently, there is a growing explicit biological and physiological evidence 8–10 that in many situations, especially when predators have to search for food and, therefore, have to share or compete for food, a more ... See full document
15
The existence of two positive periodic solutions for the delay differential neoclassical growth model
... of periodic solutions for its significance in real ...periodic solutions. Although much has been done, results on the existence of multi-periodic solutions of the ... See full document
6
5. Existence of positive periodic solution of an impulsive delay fishing model
... impulsive delay differential ...of positive periodic solutions of differ- ential equations with impulsive effects and/or delay have been studied by many researchers ... See full document
6
Almost periodic solution of an impulsive multispecies logarithmic population model
... Some scholars are interested in impulsive differential equations or the existence of (al- most) periodic solution. Related results can be found in the literature [–]. By using fixed point theory and constructing ... See full document
11
The Study on Almost Periodic Solutions for A Neutral Multi-species Logarithmic Population Model With Feedback Controls By Matrix s Spectral Theory
... which can result in changes in the biological parameters such as survival rates. Of practical interest in ecology is the question of whether or not an ecosystem can withstand those unpredictable disturbances which ... See full document
8
Existence and Uniqueness of Positive (Almost) Periodic Solutions for a Neutral Multi Species Logarithmic Population Model with Multiple Delays and Impulses
... physics, population dynamics, ecology, biological systems, optimal control, ...impulsive neutral multi- species Logarithmic population ... See full document
16
Positive periodic solutions of a discrete mutualism model with time delays
... on periodic solutions of a popula- tion model is of great interest in mathematical biology [5] and many authors [1, 7] have argued that the discrete-time models governed by difference equations are ... See full document
8
Positive asymptotically almost periodic solutions for hematopoiesis model
... almost periodic solutions to equation ...almost periodic solution to equation ...almost periodic solution to equation ...almost periodic solution to equation ... See full document
13
Positive Periodic Solutions in Shifts Delta(+/-) for a Neutral Dynamic Equation on Time Scales
... of positive periodic solutions in shifts δ ± for a neutral functional dynamic ...know, neutral functional dynamic equation on time scales plays an important role in applications; see, ... See full document
6
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 ... See full document
16
Periodic solutions for p Laplacian neutral differential equation with multiple delay and variable coefficients
... of periodic solutions of second-order neutral differential equations (see [1, 3–5, 7, 9, 11–13, ...of periodic solutions for a p-Laplacian neutral differential ... See full document
24
Positive solutions and iterative approximations of a third order nonlinear neutral delay difference equation
... of solutions, nonoscillatory solutions and bounded positive solutions for various kinds of neutral delay difference equations, see, for example, [1–25] and the references ...order ... See full document
24
Periodic solution for a delay nonlinear population equation with feedback control and periodic external source
... On the other hand, in some situation, one may wish to alter the position of x(t), but to keep its stability. This is of significance in the control procedure of ecology balance. One of the techniques to achieve this aim ... See full document
9
Positive periodic solutions for third order ordinary differential equations with delay
... In this paper, by utilizing the fixed point index in cones, we prove the existence of positive periodic solutions for the general third-order Eq. (1.1). The results are obtained in the case that f ... See full document
11
On the Uniqueness and Dependence of Positive Periodic Solutions for Delay Differential Systems with Feedback Control
... The rest of this paper is organized as follows. Section 2 presents the existence and uniqueness result of the system 1.1 together with the dependence of the positive periodic solution on the parameter λ. In ... See full document
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