Yongkun Li

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Existence and stability of periodic solutions for Cohen–Grossberg neural networks with multiple delays

Yongkun Li, 2004 .

Sp\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$S^{p}$$\end{document}-Almost Periodic Solutions of Clifford-Valued F

Yongkun Li, Shiping Shen, Yongkun Li, 2020, Neural Processing Letters.

Pseudo almost automorphic solutions of quaternion-valued neural networks with infinitely distributed delays via a non-decomposing method

Yongkun Li, Jianglian Xiang, 2019, Advances in Difference Equations.

Existence and exponential stability of an equilibrium point for fuzzy BAM neural networks with time-varying delays in leakage terms on time scales

Yongkun Li, Li Yang, Lijie Sun, 2013, Advances in Difference Equations.

Improved Stabilization for Continuous Dynamical Systems with Two Additive Time‐Varying Delays

Yongkun Li, Lianglin Xiong, Wei-dong Zhou, 2015 .

Existence and globally exponential stability of almost periodic solution for Cohen–Grossberg BAM neural networks with variable coefficients

Yongkun Li, X. Fan, 2009 .

Global exponential stability of BAM neural networks with delays and impulses

Yongkun Li, 2005 .

The global exponential pseudo almost periodic synchronization of quaternion-valued cellular neural networks with time-varying delays

Bing Li, Yongkun Li, Lianglin Xiong, 2018, Neurocomputing.

Weighted pseudo‐almost periodic functions on time scales with applications to cellular neural networks with discrete delays

Yongkun Li, Lili Zhao, 2015, 1504.03180.

Global stability and existence of periodic solutions of discrete delayed cellular neural networks

Yongkun Li, 2004 .

Existence of periodic solutions for neutral type cellular neural networks with delays

Yongkun Li, Lu Zhao, Xuerong Chen, 2012 .

Improved stability and H∞ performance for neutral systems with uncertain Markovian jump

Yongkun Li, Lianglin Xiong, Zixin Liu, 2016 .

Almost periodic solutions for neutral delay Hopfield neural networks with time-varying delays in the leakage term on time scales

Yongkun Li, Li Yang, Ling Li, 2014 .

Exponential Stability of BAM Fuzzy Cellular Neural Networks with Time-Varying Delays in Leakage Terms and Impulses

Yongkun Li, Youqin Li, 2014 .

Periodic Solutions for Impulsive Stochastic BAM Neural Networks with Time-Varying Delays in Leakage Terms

Yongkun Li, Li Yang, 2013 .

Existence and Finite-Time Stability of Besicovitch Almost Periodic Solutions of Fractional-Order Quaternion-Valued Neural Networks with Time-Varying Delays

Bing Li, Yongkun Li, Bingying Li, 2022, Neural Processing Letters.

Weighted pseudo almost periodic solutions for Clifford-valued neutral-type neural networks with leakage delays on time scales

Yongkun Li, Shiping Shen, 2020, Advances in Differential Equations.

Pseudo almost periodic solutions for quaternion-valued cellular neural networks with discrete and distributed delays

Yongkun Li, Xiaofang Meng, 2018, Journal of inequalities and applications.

Pseudo almost periodic functions and pseudo almost periodic solutions to dynamic equations on time scales

Yongkun Li, Chao Wang, Yongkun Li, 2012, Advances in Difference Equations.

The Existence and Global Exponential Stability of Almost Periodic Solutions for Neutral-Type CNNs on Time Scales

Bing Li, Yongkun Li, B. Li, 2017, Mathematics.

Almost Periodic Functions on the Quantum Time Scale and Applications

Yongkun Li, 2017, Discrete Dynamics in Nature and Society.

Existence and exponential stability of positive almost periodic solution for Nicholson’s blowflies models on time scales

Bing Li, Bing Li, Yongkun Li, 2015, SpringerPlus.

Almost automorphic funtions on time scales and almost automorphic solutions to shunting inhibitory cellular neural networks on time scales

Bing Li, Yongkun Li, Xiaofang Meng, 2015, 1504.02312.

Stability and Existence of Periodic Solutions for Cellular Neural Networks with State Dependent Delays on Time Scales

Yongkun Li, Yaping Ren, 2012 .

On the Existence of Solutions for Impulsive Duffing Dynamic Equations on Time Scales with Dirichlet Boundary Conditions

Yongkun Li, Tianwei Zhang, Yongkun Li, 2010 .

Multiple positive solutions for first-order impulsive integral boundary value problems on time scales

Yongkun Li, J. Shu, 2011 .

Almost Periodic Functions on Time Scales and Applications

Yongkun Li, Chao Wang, 2011 .

Permanence and almost periodic sequence solution for a discrete delay logistic equation with feedback control

Yongkun Li, Tianwei Zhang, Yongkun Li, 2011 .

Solvability of boundary value problems with Riemann-Stieltjes Δ-integral conditions for second-order dynamic equations on time scales at resonance

Yongkun Li, J. Shu, 2011 .

Uniformly Almost Periodic Functions and Almost Periodic Solutions to Dynamic Equations on Time Scales

Yongkun Li, Chao Wang, 2011 .

Almost periodic solutions of shunting inhibitory cellular neural networks on time scales

Yongkun Li, Chao Wang, Yongkun Li, 2012 .

An Application of Variational Approach to Delay Hamiltonian Systems on Time Scales with Impulses

Yanning Wang, Yongkun Li, Jianwen Zhou, 2017 .

Fractional Sobolev’s Spaces on Time Scales via Conformable Fractional Calculus and Their Application to a Fractional Differential Equation on Time Scales

Yongkun Li, Jianwen Zhou, Yanning Wang, 2016 .

VARIATIONAL APPROACH TO A CLASS OF NONAUTONOMOUS SECOND-ORDER SYSTEMS ON TIME SCALES WITH IMPULSIVE EFFECTS

Yongkun Li, Jianwen Zhou, Yanning Wang, 2013 .

Existence and Exponential Stability of Periodic Solution of High-Order Hopfield Neural Network with Delays on Time Scales

Ping Liu, Lili Zhao, Yongkun Li, 2009 .

Anti-periodic solutions to impulsive shunting inhibitory cellular neural networks with distributed delays on time scales

Yongkun Li, Jiangye Shu, Yongkun Li, 2011 .

Existence and Exponential Stability of Anti-periodic Solutions of High-order Hopfield Neural Networks with Delays on Time Scales

Lili Zhao, Yongkun Li, Yongkun Li, 2011 .

Almost automorphic solutions for neutral type CNNs with time-varying delays and $D$ operator on time scales

Bing Li, Yongkun Li, 2019, Tbilisi Mathematical Journal.

Almost periodic solutions for neutral‐type neural networks with the delays in the leakage term on time scales

Yongkun Li, Pan Wang, Yongkun Li, 2016 .

ALMOST PERIODIC SOLUTIONS TO COHEN-GROSSBERG NEURAL NETWORKS ON TIME SCALES

Yongkun Li, Chao Wang, Yongkun Li, 2013 .

Existence and Global Exponential Stability of almost Periodic Solutions for BAM Neural Networks with variable Coefficients on Time Scales

Yongkun Li, Chao Wang, Yongkun Li, 2012 .

Pseudo almost periodic synchronization of Clifford-valued fuzzy cellular neural networks with time-varying delays on time scales

Yongkun Li, Shiping Shen, 2020, Advances in Difference Equations.

Almost periodic solution for neutral functional dynamic equations with Stepanov-almost periodic terms on time scales

Yongkun Li, Pan Wang, 2017 .

Asymptotical stability of almost periodic solution for an impulsive multispecies competition–predation system with time delays on time scales

Yongkun Li, Pan Wang, 2016, 1607.07557.

Mean-Square Almost Periodic Solutions for Impulsive Stochastic Host-Macroparasite Equation on Time Scales

Yongkun Li, Pan Wang, Qingmei Lin, 2015 .

Permanence and almost periodic solution of a multispecies Lotka-Volterra mutualism system with time varying delays on time scales

Yongkun Li, Pan Wang, 2015, Advances in Difference Equations.

Permanence and almost periodic solutions for a single-species system with impulsive effects on time scales

Bing Li, Yongkun Li, Pan Wang, 2015, 1508.00270.

Permanence and almost periodic solutions for an n-species Lotka-Volterra food chain system on time scales

Bing Li, Yongkun Li, Qingshui Liao, 2015 .

Existence and Global Exponential Stability of Almost Periodic Solutions for a Class of Delay Duffing Equations on Time Scales

Yongkun Li, Li Yang, 2014 .

Global Exponential Stability for DCNNs with Impulses on Time Scales

Yongkun Li, Yuanhong Zhi, 2014 .

Existence and exponential stability of periodic solutions for a class of Hamiltonian systems on time scales

Yongkun Li, Li Yang, Yongzhi Liao, 2013, Advances in Difference Equations.

Permanence and Almost Periodic Solution for an Enterprise Cluster Model Based on Ecology Theory with Feedback Controls on Time Scales

Yongkun Li, Yuanhong Zhi, Zunling Ding, 2013 .

ALMOST PERIODIC SOLUTION FOR A n-SPECIES COMPETITION MODEL WITH FEEDBACK CONTROLS ON TIME SCALES †

Yongkun Li, Xiaofang Han, 2013 .

EXISTENCE AND STABILITY OF ALMOST PERIODIC SOLUTIONS FOR NICHOLSON'S BLOWFLIES MODELS WITH PATCH STRUCTURE AND LINEAR HARVESTING TERMS OB TIME SCALES

Yongkun Li, Li Yang, 2012 .

Almost Automorphic Solutions for Fuzzy Cohen-Grossberg Neural Networks with Mixed Time Delays

Yongkun Li, Xuemei Zhang, Xiaofang Meng, 2015 .

Existence and global exponential stability of periodic solutions for n-dimensional neutral dynamic equations on time scales

Bing Li, Bing Li, Yongkun Li, 2016, SpringerPlus.

Multiple positive solutions of nonlinear third-order boundary value problems with integral boundary conditions on time scales

Yongkun Li, Lingyan Wang, 2015, Advances in Difference Equations.

PERMANENCE AND UNIFORMLY ASYMPTOTICAL STABILITY OF ALMOST PERIODIC SOLUTIONS FOR A SINGLE-SPECIES MODEL WITH FEEDBACK CONTROL ON TIME SCALES

Yongkun Li, Li Yang, Hongtao Zhang, 2014 .

Multiple positive solutions for a fourth-order integral boundary value problem on time scales

Yongkun Li, Y. Dong, Yanshou Dong, 2011 .

POSITIVE PERIODIC SOLUTIONS FOR A GENERALIZED IMPULSIVE N-SPECIES GILPIN–AYALA COMPETITION SYSTEM WITH CONTINUOUSLY DISTRIBUTED DELAYS ON TIME SCALES

Yongkun Li, Tianwei Zhang, 2011 .

THREE POSITIVE PERIODIC SOLUTIONS FOR DYNAMIC EQUATIONS WITH PIECEWISE CONSTANT ARGUMENT AND IMPULSE ON TIME SCALES*

Yongkun Li, Erliang Xu, 2010, Glasgow Mathematical Journal.

Existence and Global Exponential Stability of Equilibrium Solution to Reaction-Diffusion Recurrent Neural Networks on Time Scales

Yongkun Li, Kaihong Zhao, 2010 .

Existence and Stability of Antiperiodic Solution for a Class of Generalized Neural Networks with Impulses and Arbitrary Delays on Time Scales

Yongkun Li, Tianwei Zhang, Erliang Xu, 2010 .

Global Exponential Stability of Delayed Cohen-Grossberg BAM Neural Networks with Impulses on Time Scales

Yongkun Li, Yu Fei, Yongkun Li, 2009 .

ANTI-PERIODIC BOUNDARY VALUE PROBLEMS FOR HIGHER-DIMENSIONAL IMPULSIVE FUNCTIONAL DIFFERENTIAL EQUATIONS ON TIME SCALES

Yongkun Li, Lili Zhao, 2008 .

Extremal Solutions of Periodic Boundary Value Problems for First-Order Impulsive Integrodifferential Equations of Mixed-Type on Time Scales

Yongkun Li, Hongtao Zhang, 2007 .

Existence and global attractivity of a positive periodic solution of a class of delay differential equation

Yongkun Li, Yongkun Li, 1998 .

Periodic solutions in periodic state-dependent delay equations and population models

Yang Kuang, Yongkun Li, Y. Kuang, 2001 .

Global exponential stability and existence of periodic solution of Hopfield-type neural networks with impulses

Yongkun Li, Linghong Lu, 2004 .

Existence and uniqueness of anti-periodic solution for a kind of forced Rayleigh equation with state dependent delay and impulses

Yongkun Li, Tianwei Zhang, 2010 .

Existence and global exponential stability of periodic solution of a class of neural networks with impulses

Yongkun Li, Wenya Xing, Yongkun Li, 2006 .

Anti-periodic solutions for Cohen-Grossberg neural networks with bounded and unbounded delays

Li Yang, Yongkun Li, Yongkun Li, 2009 .

Applications of Mathematics

Yongkun Li, Li Yang, Wanqin Wu, 2015 .

Existence and stability of periodic solutions of delayed cellular neural networks

Ping Liu, Yongkun Li, Yongkun Li, 2006 .

Periodic solutions for quaternion-valued fuzzy cellular neural networks with time-varying delays

Bing Li, Yongkun Li, Jiali Qin, 2019, Advances in Difference Equations.

Anti-periodic solution for fuzzy Cohen-Grossberg neural networks with time-varying and distributed delays

Yongkun Li, Li Yang, Wanqin Wu, 2015 .

Exponential stability of fuzzy Cohen–Grossberg neural networks with time delays and impulsive effects☆

Yongkun Li, Changzhao Li, Yongkun Li, 2010 .

Global exponential stability of periodic solution for shunting inhibitory CNNs with delays

Yongkun Li, Yongkun Li, Lifei Zhu, 2005 .

Existence and global exponential stability of anti‐periodic solutions for delayed quaternion‐valued cellular neural networks with impulsive effects

Yongkun Li, Jiali Qin, Bing Li, 2018, Mathematical Methods in the Applied Sciences.

Existence and global exponential stability of periodic solution of CNNs with impulses

Yongkun Li, Zhiwei Xing, Yongkun Li, 2007 .

GLOBAL EXPONENTIAL STABILITY OF ALMOST PERIODIC SOLUTIONS OF HIGH-ORDER HOPFIELD NEURAL NETWORKS WITH DISTRIBUTED DELAYS OF NEUTRAL TYPE †

Yongkun Li, Lili Zhao, 2013 .

Existence and Exponential Stability of Periodic Solution for a Class of Generalized Neural Networks with Arbitrary Delays

Yongkun Li, Yimin Zhang, K. Ye, 2009 .

Positive periodic solutions of periodic neutral Lotka–Volterra system with state dependent delays

Yongkun Li, Yongkun Li, 2007 .

On a periodic neutral Lotka-Volterra system

Yongkun Li, Yongkun Li, 2000 .

Positive almost periodic solutions of non-autonomous delay competitive systems with weak allee effect.

Yongkun Li, Kaihong Zhao, Yongkun Li, 2009 .

POSITIVE PERIODIC SOLUTIONS OF NEUTRAL FUNCTIONAL DIFFERENTIAL EQUATIONS WITH A PARAMETER AND IMPULSE

Yongkun Li, X. Fan, 2008 .

Multiple positive periodic solutions of n species delay competition systems with harvesting terms

Yongkun Li, Y. Ye, Kaihong Zhao, 2011 .

Positive periodic solutions of nonlinear differential systems with impulses

Yongkun Li, 2008 .

Positive periodic solutions of a class of functional differential systems with feedback controls

Ping Liu, Yongkun Li, Yongkun Li, 2004 .

Anti-periodic solutions for a class of fourth-order nonlinear differential equations with variable coefficients ∗

Yongkun Li, Tianwei Zhang, 2011 .

Impulsive Boundary Value Problems with Riemann–Stieltjes Δ-Integral Conditions and p-Laplacian Operator on Timescales

Yongkun Li, Pan Wang, 2016 .

Periodic Solutions for a Delayed Predator-Prey System with Harvesting Terms and Holling IV Functional Responses on Time Scales*

Yongkun Li, Pan Wang, 2013 .

Antiperiodic Solutions for a Generalized High-Order (p,q)-Laplacian Neutral Differential System with Delays in the Critical Case

Yongkun Li, Tianwei Zhang, Yongzhi Liao, 2013 .

Existence and multiplicity of solutions for some second-order systems on time scales with impulsive effects

Yongkun Li, Jianwen Zhou, Yanning Wang, 2012, Boundary Value Problems.

POSITIVE PERIODIC SOLUTIONS OF NEUTRAL LOGISTIC DIFFERENCE EQUATIONS WITH MULTIPLE DELAYS

Yongkun Li, Qiang Chen, 2007 .

Positive periodic solutions of nonlinear functional difference equations depending on a parameter

Yongkun Li, Ping Liu, Lifei Zhu, 2004 .

Four positive periodic solutions of a discrete time Lotka-Volterra competitive system with harvesting terms

Yongkun Li, Yaping Ren, Xinggui Liu, 2011 .

Existence of Positive Periodic Solutions to -Species Nonautonomous Food Chains with Harvesting Terms

Yongkun Li, Kaihong Zhao, 2010 .

Multiple Positive Periodic Solutions of a Competitor-Competitor-Mutualist Lotka-Volterra System with Harvesting Terms

Yongkun Li, Erliang Xu, 2010 .

Multiple Positive Periodic Solutions of a Discrete Time Delayed Predator–Prey System with Harvesting Terms

Yongkun Li, Yaping Ren, Xinggui Liu, 2010 .

Novel Stability Analysis for Uncertain Neutral-Type Lur’e Systems with Time-Varying Delays Using New Inequality

Yongkun Li, Lianglin Xiong, C. Peng, 2017 .

SIGN-CHANGING SOLUTIONS FOR A CLASS OF DAMPED VIBRATION PROBLEMS WITH IMPULSIVE EFFECTS

Yongkun Li, Jianwen Zhou, Yanning Wang, 2014 .

Existence and global exponential stability of almost periodic solution for quaternion‐valued high‐order Hopfield neural networks with delays via a direct method

Yongkun Li, Jianglian Xiang, 2020, Mathematical Methods in the Applied Sciences.

Almost periodic solutions for a class of discrete systems with Allee-effect

Yongkun Li, Li Yang, Wanqin Wu, 2014 .

Existence of solutions for a class of fractional Hamiltonian systems with impulsive effects

Jian Zhou, Yongkun Li, Yanning Wang, 2018 .

Mittag-Leffler Euler ∇-differences for Caputo fractional-order systems

Yongkun Li, Jianwen Zhou, Tianwei Zhang, 2022, Results in Physics.

Existence and finite-time stability of a unique almost periodic positive solution for fractional-order Lasota–Wazewska red blood cell models

Bing Li, Yongkun Li, B. Li, 2020 .

Improved Stabilization Criteria for Neutral Time-Delay Systems

Yongkun Li, Lianglin Xiong, Zixin Liu, 2016 .

Weyl almost automorphic solutions for a class of Clifford‐valued dynamic equations with delays on time scales

Yongkun Li, Xiaoli Huang, 2022, Mathematical Methods in the Applied Sciences.

Besicovitch Almost Periodic Solutions to Stochastic Dynamic Equations with Delays

Yongkun Li, Xiaoli Huang, 2022, Qualitative Theory of Dynamical Systems.

Left Riemann–Liouville Fractional Sobolev Space on Time Scales and Its Application to a Fractional Boundary Value Problem on Time Scales

Yongkun Li, Xing-Bao Hu, 2022, Fractal and Fractional.

Almost Anti-Periodic Oscillation Excited by External Inputs and Synchronization of Clifford-Valued Recurrent Neural Networks

Yongkun Li, Weiwei Qi, 2022, Mathematics.

Existence of solutions for a four-point boundary value problem of a nonlinear fractional differential equation

Yongkun Li, Ping Liu, Xiaoyan Dou, 2011 .

The Existence and Global Exponential Stability of μ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${\varvec{\mu }}$$\e

Bing Li, Yongkun Li, Yaolu Wang, 2019, Advances in Applied Clifford Algebras.

Square-mean almost periodic solution for stochastic Hopfield neural networks with time-varying delays on timescales

Yongkun Li, Li Yang, Wanqin Wu, 2015, Neural Computing and Applications.

Solvability of Boundary Value Problems for Impulsive Fractional Differential Equations Via Critical Point Theory

Yongkun Li, Jianwen Zhou, Yanning Wang, 2016, Mediterranean Journal of Mathematics.

Global Exponential Stability for Impulsive BAM Neural Networks with Distributed Delays on Time Scales

Shan Gao, Yongkun Li, Yongkun Li, 2010, Neural Processing Letters.

Almost periodic oscillation of octonion-valued neural networks with delays on time scales

Yongkun Li, Xiaoli Huang, 2022, Int. J. Syst. Sci..

Periodic Solutions of Periodic Delay Lotka–Volterra Equations and Systems☆

Yang Kuang, Yongkun Li, Y. Kuang, 2001 .

Periodic Solutions for Delay Lotka–Volterra Competition Systems

Yongkun Li, Yongkun Li, 2000 .

Three Positive Periodic Solutions to Nonlinear Neutral Functional Differential Equations with Parameters on Variable Time Scales

Yongkun Li, Chao Wang, Yongkun Li, 2012, J. Appl. Math..

Normalized solutions for p-Laplacian equations with a $$L^{2}$$-supercritical growth

Yongkun Li, Jianwen Zhou, Quanqing Li, 2020, Annals of Functional Analysis.

Global Exponential Stability and Existence of Periodic Solution of Impulsive Cohen–Grossberg Neural Networks with Distributed Delays on Time Scales

Yongkun Li, Tianwei Zhang, Lili Zhao, 2011, Neural Processing Letters.

On a generalized fractional boundary value problem based on the thermostat model and its numerical solutions via Bernstein polynomials

Yongkun Li, J. Alzabut, S. Rezapour, 2021, Advances in Difference Equations.

EXISTENCE AND ATTRACTIVITY OF PERIODIC SOLUTIONS TO COHEN-GROSSBERG NEURAL NETWORK WITH DISTRIBUTED DELAYS

Yongkun Li, Lifei Zhu, 2005 .

Existence and stability of periodic solutions for a class of generalized nonautonomous neural networks with distributed delays

Yongkun Li, Lifei Zhu, Wenxiang Liu, 2005, Int. J. Math. Math. Sci..

Some remarks on almost periodic time scales and almost periodic functions on time scales

Bing Li, Yongkun Li, Bing Li, 2015, 1510.05276.

Weighted pseudo almost automorphic functions with applications to abstract dynamic equations on time scales

Yongkun Li, Chao Wang, Yongkun Li, 2013 .

Three positive periodic solutions to nonlinear neutral functional differential equations with impulses and parameters on time scales

Yu Fei, Yongkun Li, Chao Wang, 2010, Math. Comput. Model..

On the existence and stability of a unique almost periodic sequence solution in discrete predator–prey models with time delays

Yongkun Li, Tianwei Zhang, Yongkun Li, 2011 .

Permanence of a discrete n-species cooperation system with time-varying delays and feedback controls

Yongkun Li, Tianwei Zhang, Yongkun Li, 2011, Math. Comput. Model..

POSITIVE PERIODIC SOLUTIONS OF NEUTRAL LOTKA-VOLTERRA COMPETITION SYSTEMS ON TIME SCALES

Yongkun Li, Yan Lei, 2011 .

Almost Periodic Solutions of a Discrete Mutualism Model with Feedback Controls

Zheng Wang, Yongkun Li, Yongkun Li, 2010 .

Positive periodic solutions of a discrete mutualism model with time delays

Yongkun Li, Yongkun Li, 2005, Int. J. Math. Math. Sci..

Classifications and existence of positive solutions of higher-order nonlinear neutral differential equations

Yongkun Li, Zigen Ouyang, Qingan Tang, 2000, Appl. Math. Comput..

Existence and exponential stability of periodic solution for stochastic Hopfield neural networks on time scales

Li Yang, Yongkun Li, Yongkun Li, 2015, Neurocomputing.

Square-mean almost periodic solution for stochastic Hopfield neural networks with time-varying delays on timescales

Li Yang, Yongkun Li, Wanqin Wu, 2015, Neural Computing and Applications.

Existence and global exponential stability of anti-periodic solution for Clifford-valued inertial Cohen-Grossberg neural networks with delays

Yongkun Li, Jianglian Xiang, Yongkun Li, 2019, Neurocomputing.

Global exponential stability of discrete-time almost automorphic Caputo-Fabrizio BAM fuzzy neural networks via exponential Euler technique

Yongkun Li, Tianwei Zhang, 2022, Knowl. Based Syst..

Exponential Euler scheme of multi-delay Caputo-Fabrizio fractional-order differential equations

Yongkun Li, Tianwei Zhang, Yongkun Li, 2022, Appl. Math. Lett..

Multiple positive almost periodic solutions to an impulsive non-autonomous Lotka-Volterra predator-prey system with harvesting terms

Yongkun Li, Yuan Ye, Yongkun Li, 2013, Commun. Nonlinear Sci. Numer. Simul..

Almost Automorphic Strong Oscillation in Time-Fractional Parabolic Equations

Yongkun Li, Tianwei Zhang, Jianwen Zhou, 2023, Fractal and Fractional.

S-asymptotically periodic fractional functional differential equations with off-diagonal matrix Mittag-Leffler function kernels

Yongkun Li, Tianwei Zhang, Yongkun Li, 2021, Math. Comput. Simul..

Almost periodic solutions of quaternion-valued neutral type high-order Hopfield neural networks with state-dependent delays and leakage delays

Bing Li, Yongkun Li, Jianglian Xiang, 2020, Applied Intelligence.

Stability and Hopf bifurcation analysis on a delayed Leslie-Gower predator-prey system incorporating a prey refuge

Yongkun Li, Changzhao Li, Yongkun Li, 2013, Appl. Math. Comput..

Existence and Multiplicity of Solutions to a Boundary Value Problem for Impulsive Differential Equations

Yongkun Li, Chunyan He, Yongzhi Liao, 2013, J. Appl. Math..

Existence of solutions for a class of second-order Hamiltonian systems with impulsive effects

Yongkun Li, Jianwen Zhou, Yongkun Li, 2010 .

Existence and multiplicity of solutions for some Dirichlet problems with impulsive effects

Yongkun Li, Jianwen Zhou, Yongkun Li, 2009 .

Besicovitch almost periodic stochastic processes and almost periodic solutions of Clifford-valued stochastic neural networks

Yongkun Li, Xiaohui Wang, 2022, Discrete and Continuous Dynamical Systems - B.

Weyl almost anti-periodic solution to a neutral functional semilinear differential equation

Yongkun Li, Weiwei Qi, 2023, Electronic Research Archive.

Almost periodic solutions in distribution of Clifford-valued stochastic recurrent neural networks with time-varying delays

Yongkun Li, Xiaohui Wang, 2021, Chaos, Solitons & Fractals.

Pseudo compact almost automorphy of neutral type Clifford-valued neural networks with mixed delays

Bing Li, Yongkun Li, 2021, Discrete & Continuous Dynamical Systems - B.

Solvability of Boundary Value Problems for Impulsive Fractional Differential Equations Via Critical Point Theory

Yanning Wang, Yongkun Li, Jianwen Zhou, 2016 .

Variational Approach to a Class of Second Order Hamiltonian Systems on Time Scales

Yongkun Li, Jianwen Zhou, 2012 .

Existence of positive periodic solutions for functional differential equations with impulse effects on time scales

Yongkun Li, Yongkun Li, Hongtao Zhang, 2009 .

On the asymptotically cubic fractional Schrödinger–Poisson system

Yongkun Li, Yuanyang Yu, Wenbo Wang, 2019, Applicable Analysis.

Existence and global exponential stability of periodic solutions for quaternion-valued cellular neural networks with time-varying delays

Yongkun Li, Jiali Qin, Yongkun Li, 2018, Neurocomputing.

Almost Automorphic Solutions in Distribution Sense of Quaternion-Valued Stochastic Recurrent Neural Networks with Mixed Time-Varying Delays

Yongkun Li, Xiaofang Meng, Yongkun Li, 2019, Neural Processing Letters.

Almost automorphic solution of quaternion-valued BAM neural networks with time-varying delays on time scales

Shiping Shen, Yongkun Li, Yongkun Li, 2019, J. Intell. Fuzzy Syst..

Globally Asymptotic Almost Automorphic Synchronization of Clifford-Valued RNNs With Delays

Bing Li, Yongkun Li, Jianglian Xiang, 2019, IEEE Access.

Anti-periodic solutions for quaternion-valued inertial neural networks with time-varying delays

Chun Wang, Yongkun Li, Yongkun Li, 2019, J. Intell. Fuzzy Syst..

Existence of positive solutions of p-Laplacian difference equations

Yongkun Li, Linghong Lu, Yongkun Li, 2006, Appl. Math. Lett..

Existence and exponential stability of almost periodic solution for neutral delay BAM neural networks with time-varying delays in leakage terms

Yongkun Li, Youqin Li, Yongkun Li, 2013, J. Frankl. Inst..

Existence and exponential stability of an equilibrium point for fuzzy BAM neural networks with time-varying delays in leakage terms on time scales

Yongkun Li, Li Yang, Lijie Sun, 2013 .

Existence and global exponential stability of equilibrium for discrete-time fuzzy BAM neural networks with variable delays and impulses

Yongkun Li, Chao Wang, Yongkun Li, 2013, Fuzzy Sets Syst..

Square-mean almost periodic solutions for impulsive stochastic shunting inhibitory cellular neural networks with delays

Pan Wang, Bing Li, Yongkun Li, 2015, Neurocomputing.

The Least-Energy Sign-Changing Solutions for Planar Schrödinger-Newton System with an Exponential Critical Growth

Yongkun Li, Wei Zhang, Wenbo Wang, 2020 .

The sign-changing solutions and ground states for planar Schrödinger–Newton system with an exponential critical growth

Yongkun Li, Quanqing Li, Wenbo Wang, 2020 .

Minimizers of the planar Schrödinger–Newton equations

Yongkun Li, Wei Zhang, Wenbo Wang, 2020, Complex Variables and Elliptic Equations.

Ground states for planar axially Schrödinger–Newton system with an exponential critical growth

Yongkun Li, Quanqing Li, Wenbo Wang, 2020 .

ANTI-PERIODIC SOLUTIONS FOR BAM NEURAL NETWORKS WITH MULTIPLE DELAYS ON TIME SCALES

Yongkun Li, Jiangye Shu, Yongkun Li, 2011 .

Existence and uniqueness of anti-periodic solutions for a class of nonlinear n-th order functional differential equations

Yongkun Li, Lingxia Liu, 2011 .

Three Solutions for Forced Duffing-Type Equations with Damping Term

Yongkun Li, Tianwei Zhang, 2011 .

Weyl almost automorphic solutions in distribution sense of Clifford-valued stochastic neural networks with time-varying delays

Yongkun Li, Xiaohui Wang, Nina Huo, 2022, Proceedings of the Royal Society A.

Almost Automorphic Functions on the Quantum Time Scale and Applications

Yongkun Li, 2017, 1706.00694.

POSITIVE PERIODIC SOLUTIONS FOR A PREDATOR-PREY MODEL WITH TIME DELAYS AND IMPULSIVE EFFECT

Yongkun Li, Shan Gao, 2008 .

Besicovitch almost periodic solutions for fractional‐order quaternion‐valued neural networks with discrete and distributed delays

Bing Li, Yongkun Li, Mei Huang, 2021, Mathematical Methods in the Applied Sciences.

Almost Automorphic Solutions for Quaternion-Valued Hopfield Neural Networks with Mixed Time-Varying Delays and Leakage Delays

Yongkun Li, Xiaofang Meng, Yongkun Li, 2019, J. Syst. Sci. Complex..

Existence and Global Exponential Stability of Pseudo Almost Periodic Solution for Clifford- Valued Neutral High-Order Hopfield Neural Networks With Leakage Delays

Bing Li, Yongkun Li, Bing Li, 2019, IEEE Access.

Almost Periodic Synchronization of Fuzzy Cellular Neural Networks with Time–Varying Delays via State–Feedback and Impulsive Control

Yongkun Li, Xiaofang Meng, Huimei Wang, 2019, Int. J. Appl. Math. Comput. Sci..

Global Asymptotic Almost Periodic Synchronization of Clifford-Valued CNNs with Discrete Delays

Yongkun Li, Jianglian Xiang, Yongkun Li, 2019, Complex..

Anti-periodic Synchronization of Quaternion-valued Generalized Cellular Neural Networks with Time-varying Delays and Impulsive Effects

Yongkun Li, Jiali Qin, Yanchao Fang, 2019, International Journal of Control, Automation and Systems.

New Results on Exponential Stability of Competitive Neural Networks with Multi‐Proportional Delays

Yongkun Li, Jiali Qin, Yongkun Li, 2018, Asian Journal of Control.

Anti-Periodic Dynamics of Quaternion-Valued Fuzzy Cellular Neural Networks with Time-Varying Delays on Time Scales

Bing Li, Yongkun Li, Shiping Shen, 2018, Discrete Dynamics in Nature and Society.

Existence and Stability of Pseudo Almost Periodic Solution for Neutral Type High-Order Hopfield Neural Networks with Delays in Leakage Terms on Time Scales

Li Yang, Bing Li, Yongkun Li, 2015, Neural Processing Letters.

Periodic solutions of non-autonomous cellular neural networks with impulses and delays on time scales

Yongkun Li, Yongkun Li, 2014, IMA J. Math. Control. Inf..

Existence of periodic solutions for a periodic mutualism model on time scales

Yongkun Li, Hongtao Zhang, 2008 .

Positive periodic solutions of a single species model with feedback regulation and distributed time delay

Yongkun Li, Fuqi Yin, Yongkun Li, 2004, Appl. Math. Comput..

Multiple Positive Solutions for Second-Order -Laplacian Dynamic Equations with Integral Boundary Conditions

Yongkun Li, Tianwei Zhang, 2011 .

Multiple Positive Solutions for Second-Order p-Laplacian Dynamic Equations with Integral Boundary Conditions

Yongkun Li, Tianwei Zhang, 2010 .

Almost periodic solutions for quaternion-valued shunting inhibitory cellular neural networks of neutral type with time delays in the leakage term

Yongkun Li, Xiaofang Meng, Yongkun Li, 2018, Int. J. Syst. Sci..

Almost periodic solutions for neutral delay Hopfield neural networks with time-varying delays in the leakage term on time scales

Yongkun Li, Li Yang, Ling Li, 2014 .

Robust stability of delayed reaction-diffusion recurrent neural networks with Dirichlet boundary conditions on time scales

Yongkun Li, Kaihong Zhao, Yongkun Li, 2011, Neurocomputing.

The existence of nonzero almost periodic solution for Cohen-Grossberg neural networks with continuously distributed delays and impulses

Yongkun Li, Tianwei Zhang, Zhiwei Xing, 2010, Neurocomputing.

Global Exponential Stability of Fuzzy Interval Delayed Neural Networks with impulses on Time Scales

Yongkun Li, Tianwei Zhang, Yongkun Li, 2009, Int. J. Neural Syst..

Stability and existence of periodic solutions to delayed Cohen-Grossberg BAM neural networks with impulses on time scales

Lu Zhao, Yongkun Li, Xuerong Chen, 2009, Neurocomputing.

Pseudo almost periodic functions and pseudo almost periodic solutions to dynamic equations on time scales

Yongkun Li, Chao Wang, 2012 .

Four positive periodic solutions to two species parasitical system with harvesting terms

Yongkun Li, Kaihong Zhao, Yongkun Li, 2010, Comput. Math. Appl..

Compact Almost Automorphic Function on Time Scales and Its Application

Yongkun Li, Shiping Shen, Yongkun Li, 2021, Qualitative Theory of Dynamical Systems.

Pseudo almost periodic solutions for neutral type high-order Hopfield neural networks with mixed time-varying delays and leakage delays on time scales

Yongkun Li, Lianglin Xiong, Xiaofang Meng, 2015, International Journal of Machine Learning and Cybernetics.

Cn-Almost Periodic Functions and an Application to a Lasota-Wazewska Model on Time Scales

Li Yang, Yongkun Li, Wanqin Wu, 2014, J. Appl. Math..

Variational approach to a class of p-Laplacian systems on time scales

Yongkun Li, Jianwen Zhou, 2013 .

Pseudo almost periodic solutions for quaternion-valued high-order Hopfield neural networks with time-varying delays and leakage delays on time scales

Yongkun Li, Xiaofang Meng, Yongkun Li, 2021, AIMS Mathematics.

Existence and Global Exponential Stability of Pseudo Almost Periodic Solutions for Neutral Type Quaternion-Valued Neural Networks with Delays in the Leakage Term on Time Scales

Yongkun Li, Xiaofang Meng, Yongkun Li, 2017, Complex..

Sobolev’s spaces on time scales and its applications to a class of second order Hamiltonian systems on time scales

Yongkun Li, Jianwen Zhou, 2010 .

Existence and stability of positiveperiodic solution for BAM neural networks with delays

Ping Liu, Yongkun Li, Ping Liu, 2004, Math. Comput. Model..

Pseudo almost periodic solutions for quaternion-valued cellular neural networks with discrete and distributed delays

Yongkun Li, Xiaofang Meng, 2018, Journal of inequalities and applications.

Existence and Global Exponential Stability of Almost Periodic Solution for High-Order BAM Neural Networks with Delays on Time Scales

Xia Li, Yongkun Li, Chao Wang, 2013, Neural Processing Letters.

Almost Periodic Solutions to Dynamic Equations on Time Scales and Applications

Yongkun Li, Chao Wang, Yongkun Li, 2012, J. Appl. Math..

Almost Periodic Solutions for Neutral-Type BAM Neural Networks with Delays on Time Scales

Li Yang, Yongkun Li, Yongkun Li, 2013, J. Appl. Math..

On the existence and stability of a unique almost periodic solution of Schoener’s competition model with pure-delays and impulsive effects

Yongkun Li, Tianwei Zhang, Yongkun Li, 2012 .

Global Exponential Stability of Weighted Pseudo-Almost Periodic Solutions of Neutral Type High-Order Hopfield Neural Networks with Distributed Delays

Lili Zhao, Yongkun Li, Yongkun Li, 2014 .

Almost automorphic solution for neutral type high-order Hopfield neural networks with delays in leakage terms on time scales

Li Yang, Yongkun Li, Yongkun Li, 2014, Appl. Math. Comput..

Existence and global exponential stability of anti-periodic solutions for quaternion-valued cellular neural networks with time-varying delays

Yongkun Li, Jianglian Xiang, 2020 .

Weyl almost periodic solutions for quaternion-valued shunting inhibitory cellular neural networks with time-varying delays

Yongkun Li, Xiaoli Huang, Xiaohui Wang, 2022, AIMS Mathematics.

Multiplicity result to a system of over-determined Fredholm fractional integro-differential equations on time scales

Yongkun Li, Xing-Bao Hu, 2021, AIMS Mathematics.

Existence of Solutions for a Class of Damped Vibration Problems on Time Scales

Yongkun Li, Jianwen Zhou, 2010 .

Weighted pseudo-almost periodic solutions and global exponential synchronization for delayed QVCNNs

Yongkun Li, Xiaofang Meng, Gui Lü, 2019, Journal of Inequalities and Applications.

Stepanov-Like Asymptotical Almost Periodic Functions and an Application

Yongkun Li, Jianglian Xiang, Yaolu Wang, 2018, Journal of Function Spaces.

Pseudo-almost-periodic solutions of quaternion-valued RNNs with mixed delays via a direct method

Bing Li, Yongkun Li, Jianglian Xiang, 2020 .

Almost Periodic Synchronization for Quaternion-Valued Neural Networks with Time-Varying Delays

Yongkun Li, Yuan Ye, Xiaofang Meng, 2018, Complex..

Anti-periodic solution for impulsive BAM neural networks with time-varying leakage delays on time scales

Li Yang, Yongkun Li, Wanqin Wu, 2015, Neurocomputing.

Asymptotic Behavior of a Stochastic Two-Species Competition System with Impulsive Effects

Bing Li, Yongkun Li, Pan Wang, 2018, International Journal of Nonlinear Sciences and Numerical Simulation.

Positive periodic solutions for an integrodifferential model of mutualism

Yongkun Li, Guitong Xu, Yongkun Li, 2001, Appl. Math. Lett..

Almost Periodic Sequence Solutions of a Discrete Cooperation System with Feedback Controls

Yongkun Li, Ziping Li, Yongkun Li, 2011 .

Positive periodic solutions of discrete Lotka-Volterra competition systems with state dependent and distributed delays

Yongkun Li, Yongkun Li, 2007, Appl. Math. Comput..

Positive periodic solutions of discrete n-species food-chain systems

Yongkun Li, Linghong Lu, Yongkun Li, 2005, Appl. Math. Comput..

EXISTENCE OF PERIODIC SOLUTIONS OF DISCRETE LOTKA-VOLTERRA SYSTEMS WITH DELAYS

Yongkun Li, Lifei Zhu, LI YONGKUN, 2006 .

Impulsive Boundary Value Problems with Riemann–Stieltjes Δ-Integral Conditions and p-Laplacian Operator on Timescales

Yongkun Li, Pan Wang, 2015, Mediterranean Journal of Mathematics.

Existence and Stability Analysis of Discrete-time Fuzzy BAM Neural Networks with Delays and Impulses

Yongkun Li, Chao Wang, Yongkun Li, 2011 .

EXISTENCE AND EXPONENTIAL STABILITY OF PERIODIC SOLUTION FOR CONTINUOUS-TIME AND DISCRETE-TIME GENERALIZED BIDIRECTIONAL NEURAL NETWORKS

Yongkun Li, 2006 .

Three Positive Periodic Solutions for a Class of Higher-Dimensional Functional Differential Equations with Impulses on Time Scales

Yongkun Li, Meng Hu, Yongkun Li, 2009 .

Multiple positive periodic solutions of nonlinear functional differential system with feedback control

Ping Liu, Yongkun Li, Yongkun Li, 2003 .

Fractional Sobolev Space on Time Scales and Its Application to a Fractional Boundary Value Problem on Time Scales

Yongkun Li, Xing-Bao Hu, 2022, Journal of Function Spaces.

Right Fractional Sobolev Space via Riemann–Liouville Derivatives on Time Scales and an Application to Fractional Boundary Value Problem on Time Scales

Xing Hu, Yongkun Li, Yongkun Li, 2021, Fractal and Fractional.

Existence and Exponential Stability of Anti-Periodic Solutions for Inertial Quaternion-Valued High-Order Hopfield Neural Networks With State-Dependent Delays

Bing Li, Nina Huo, Yongkun Li, 2019, IEEE Access.

Infinitely many periodic solutions for second-order ( p , q ) -Laplacian differential systems

Yongkun Li, Tianwei Zhang, 2011 .

Besicovitch Almost Periodic Solutions to Semilinear Evolution Dynamic Equations with Varying Delay

Bing Li, Yongkun Li, Weiwei Qi, 2023, Qualitative Theory of Dynamical Systems.

On the Ground State to Hamiltonian Elliptic System with Choquard’s Nonlinear Term

Yongkun Li, Jianwen Zhou, Wenbo Wang, 2020 .

Besicovitch-like almost periodic solutions of Clifford-valued fuzzy cellular neural networks with time-varying delays

Bing Li, Yongkun Li, Yaning Zhang, 2023, Franklin Open.

Almost periodic solutions to dynamic equations on time scales

Yongkun Li, Hongtao Zhang, 2013 .

Periodic traveling waves in a time periodic SEIR model with nonlocal dispersal and delay

Yongkun Li, Lu Yang, 2023, Discrete and Continuous Dynamical Systems - B.

Positive periodic solutions of functional differential equations with impulses and a parameter

Yongkun Li, Lili Zhao, Xuanlong Fan, 2008, Comput. Math. Appl..

Positive periodic solutions of higher-dimensional functional difference equations with a parameter

Yongkun Li, Lifei Zhu, 2004 .

Existence of Positive Periodic Solutions for n-Dimensional Functional Differential Equations with Impulse Effects

Yongkun Li, Changzhao Li, 2011 .

Positive periodic solutions of higher-dimensional nonlinear functional difference equations

Yongkun Li, Linghong Lu, 2005 .

Positive periodic solutions for a class of higher-dimensional state-dependent delay functional differential equations with feedback control

Yongkun Li, Lifei Zhu, Yongkun Li, 2004, Appl. Math. Comput..

Positive periodic solutions of nonlinear functional differential equations

Yongkun Li, Lifei Zhu, Yongkun Li, 2004, Appl. Math. Comput..

Positive solutions of three-point boundary value problem for second order differential equations with an advanced argument

Yongkun Li, L. Yongkun, Zhu Lifei, 2003 .

Periodic Solutions for a Class of Fuzzy BAM Neural Networks with Distributed Delays and Variable Coefficients

Li Yang, Yongkun Li, Wanqin Wu, 2010, Int. J. Bifurc. Chaos.

Periodic solutions for stochastic shunting inhibitory cellular neural networks with distributed delays

Yongkun Li, Li Yang, 2014 .

(μ, ν)-pseudo almost periodic solutions of Clifford-valued high-order HNNs with multiple discrete delays

Yongkun Li, Nina Huo, Yongkun Li, 2020, Neurocomputing.

Weighted pseudo almost periodic solutions for Clifford-valued neutral-type neural networks with leakage delays on time scales

Yongkun Li, Shiping Shen, 2020, Advances in Difference Equations.

Almost automorphic synchronization of quaternion-valued high-order Hopfield neural networks with time-varying and distributed delays

Yongkun Li, Huimei Wang, Xiaofang Meng, 2019, IMA J. Math. Control. Inf..

Finite-time Sp-almost periodic synchronization of fractional-order octonion-valued Hopfi

Yongkun Li, Nina Huo, 2023, Chaos, Solitons & Fractals.

Existence results for fractional Dirichlet problems of p-Laplacian with instantaneous and non-instantaneous impulses on time scales

Yongkun Li, Xing-Bao Hu, 2023, Quaestiones Mathematicae.

Anti-periodic solutions for neutral type FCNNs with time-varying delays and D D operator on time scales

Bing Li, Yongkun Li, Bing Li, 2017 .

C 1-Almost Periodic Solutions of BAM Neural Networks with Time-Varying Delays on Time Scales

Li Yang, Yongkun Li, Lili Zhao, 2015, TheScientificWorldJournal.

Periodic Solutions for a Class of Singular Hamiltonian Systems on Time Scales

Yongkun Li, Xiaofang Meng, 2014 .

Stability of Reaction-Diffusion Recurrent Neural Networks with Distributed Delays and Neumann Boundary Conditions on Time Scales

Yongkun Li, Kaihong Zhao, Yuan Ye, 2012, Neural Processing Letters.

Positive periodic solutions of functional differential equations with impulse on time scales

Yongkun Li, Lu Zhao, Xuerong Chen, 2010 .

Existence and Exponential Stability of Anti-periodic Solutions of High-order Hopfield Neural Networks with Delays on Time Scales

Yongkun Li, Lili Zhao, 2011 .

EXISTENCE OF SOLUTIONS OF BOUNDARY VALUE PROBLEMS FOR A NONLINEAR THIRD-ORDER IMPULSIVE DYNAMIC SYSTEM ON TIME SCALES

Yongkun Li, Yaqin Li, 2011 .

Almost Periodic Solutions in Distribution Sense for Quaternion-Valued Stochastic Delayed Neural Networks

Yongkun Li, Xiaofang Meng, Yongkun Li, 2020, IEEE Access.

Global exponential stability and existence of almost periodic solutions in distribution for Clifford-valued stochastic high-order Hopfield neural networks with time-varying delays

Bing Li, Yongkun Li, Nina Huo, 2021, AIMS Mathematics.

Yongkun Li, Shiping Shen, 2020, Neural Processing Letters.

Existence and Global Exponential Stability of Almost Automorphic Solution for Clifford-Valued High-Order Hopfield Neural Networks with Leakage Delays

Bing Li, Yongkun Li, Bing Li, 2019, Complex..

Anti-periodic solutions for a class of Cohen–Grossberg neural networks with time-varying delays on time scales

Li Yang, Yongkun Li, Wanqin Wu, 2011, Int. J. Syst. Sci..

Global exponential stability and existence of anti-periodic solutions to impulsive Cohen-Grossberg neural networks on time scales

Yongkun Li, Tianwei Zhang, 2015 .

ANTI-PERIODIC SOLUTIONS FOR A CLASS OF 2nTH-ORDER NONLINEAR DIFFERENTIAL EQUATIONS WITH DELAYS

Yongkun Li, Tianwei Zhang, 2011 .

Existence and Exponential Stability of Equilibrium Point for Fuzzy BAM Neural Networks with Infinitely Distributed Delays and Impulses on Time Scales

Li Yang, Lijie Sun, Yongkun Li, 2014, J. Appl. Math..

HOMOCLINIC SOLUTIONS FOR A CLASS OF NONLINEAR SECOND-ORDER DIFFERENTIAL EQUATIONS WITH TIME-VARYING DELAYS

Yongkun Li, Li Yang, 2013 .