Search Results - "JURANG YAN"

Global positive periodic solutions of periodic n-species competition systems by Yan, Jurang

“…In this paper, an easily verifiable necessary and sufficient condition for the existence of positive periodic solutions of generalized n-species Lotka–Volterra…”
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Existence of positive periodic solutions of impulsive functional differential equations with two parameters by Yan, Jurang

“…In this paper, we employ a well-known fixed-point index theorem to study the existence and non-existence of positive periodic solutions for the periodic…”
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Existence of oscillatory solutions of forced second order delay differential equations by Yan, Jurang

“…In this paper, under weaker hypothesis, the global existence of oscillatory solutions is established for a forced second order nonlinear delay differential…”
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Global attractivity for impulsive population dynamics with delay arguments by Yan, Jurang

“…This article investigates the global attractivity for impulsive population dynamics with delay arguments. Several sufficient conditions are obtained to ensure…”
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The global attractivity and asymptotic stability of solution of a nonlinear integral equation by Hu, Xiaoling, Yan, Jurang

“…In this paper, we employ the fixed point theorem to study the existence of an integral equation and obtain the global attractivity and asymptotic stability of…”
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Stability for impulsive delay differential equations by Yan, Jurang

“…In this paper, the stability for the scalar impulsive delay differential equation y ′ ( t ) + a ( t ) y ( t ) + F ( t , y ( · ) ) = 0 , t ⩾ 0 , t ≠ τ k , y ( τ…”
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Existence and global attractivity of positive periodic solution for an impulsive Lasota–Wazewska model by Yan, Jurang

“…Sufficient conditions are obtained for the existence and global attractivity of periodic positive solution of an impulsive Lasota–Wazewska model for the…”
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Stability and Hopf bifurcation in a delayed competition system by Zhang, Jinzhu, Jin, Zhen, Yan, Jurang, Sun, Guiquan

“…In this paper, Hopf bifurcation for two-species Lotka–Volterra competition systems with delay dependence is investigated. By choosing the delay as a…”
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Existence of positive periodic solutions for neutral delay Gause-type predator–prey system by Liu, Guirong, Yan, Jurang

“…By using a continuation theorem based on coincidence degree theory, we establish easily verifiable criteria for the existence of positive periodic solutions…”
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Periodicity and stability for a Lotka–Volterra type competition system with feedback controls and deviating arguments by Yan, Jurang, Liu, Guirong

“…This paper deals with the general periodic Lotka–Volterra type competition systems with feedback controls and deviating arguments. By employing fixed point…”
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Positive periodic solutions for neutral delay ratio-dependent predator–prey model with Holling type III functional response by Liu, Guirong, Yan, Jurang

“…By using a continuation theorem based on coincidence degree theory, some new and interesting sufficient conditions are obtained for the existence of positive…”
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Oscillation behavior of even order neutral differential equations with variable coefficients by Zhang, Quanxin, Yan, Jurang

“…In this work, some sufficient conditions are obtained for oscillation of all solutions of the even order neutral differential equations with variable…”
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Existence and global attractivity of unique positive periodic solution for a model of hematopoiesis by Liu, Guirong, Yan, Jurang, Zhang, Fengqin

“…In this paper, we consider the generalized model of hematopoiesis x ′ ( t ) = − a ( t ) x ( t ) + ∑ i = 1 m b i ( t ) 1 + x n ( t − τ i ( t ) ) . By using a…”
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Existence of nonoscillatory solutions of higher-order neutral differential equations with positive and negative coefficients by Liu, Youjun, Zhao, Huanhuan, Yan, Jurang

“…In this paper we consider the existence of nonoscillatory solutions of higher-order neutral differential equations with distributed coefficients and delays. We…”
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Periodic boundary value problems of second-order impulsive differential equations by Yao, Meiping, Zhao, Aimin, Yan, Jurang

“…This paper discusses periodic boundary value problems of second-order impulsive differential equations. By using Schaeffer’s fixed-point theorem and monotone…”
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Existence and global attractivity of positive periodic solution of periodic single-species impulsive Lotka-Volterra systems by JURANG YAN, AIMIN ZHAO, NIETO, J. J

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Existence of Nonoscillatory Solutions of Higher-Order Neutral Differential Equations with Distributed Coefficients and Delays by Liu, Youjun, Yan, Ju-Rang, Zhao, Huanhuan

“…We consider the existence of nonoscillatory solutions of higher-order neutral differential equations with distributed coefficients. We use the B a n a c h…”
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Positive solutions of the three-point boundary value problem for second order differential equations with an advanced argument by Yang, Chen, Zhai, Chengbo, Yan, Jurang

“…In this paper, by using the fixed point index method, we establish the existence of at least one or at least two positive solutions to the three-point boundary…”
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Existence of positive periodic solutions for an impulsive differential equation by Zhang, Xiaoying, Yan, Jurang, Zhao, Aimin

“…In this paper, we consider the impulsive differential equation { x ′ ( t ) = − a ( t ) x ( t ) + p ( t ) f ( t , x ( t − τ 0 ( t ) ) , x ( t − τ 1 ( t ) ) , ……”
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Oscillation Properties for Systems of Higher-Order Partial Differential Equations with Distributed Deviating Arguments by Liu, Youjun, Yan, Ju-Rang, Zhang, Jianwen

“…New sufficient conditions are obtained for oscillation for the solutions of systems of a class of higher-order quasilinear partial functional differential…”
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