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| 1 | Bifurcation control of a fractional-order delayed competition and cooperation model of two enterprises显示文摘The competition and cooperation among enterprises has become a hot topic and focus issue in today’s world. How to manage the enterprise well so as to achieve the maximum output is an important problem for enterprise managers. Optimizing output of two enterprises plays a key role in operating enterprises. Many scholars pay much attention to this aspect. However, the reports on the stability and Hopf bifurcation for fractional-order delayed competition and cooperation model of two enterprises are very few. This paper is concerned with the stability, the existence of Hopf bifurcation and the bifurcation control issue of fractionalorder delayed competition and cooperation model of two enterprises. Firstly, some new sufficient conditions that guarantee the stability and the existence of Hopf bifurcation for fractional-order delayed competition and cooperation model of two enterprises are obtained by regarding the delay as bifurcation parameter. Then a suitable time delayed feedback controller is designed to control the Hopf bifurcation for involved model. The study shows that the delay and the fractional order have an important effect on the stability and Hopf bifurcation of involved model. Some simulations justifying the validity of the derived analytical results are given. At last, we end this paper with a concise conclusion. The obtained results of this article are innovative and are of great significance in handling the competition and cooperation among enterprises. | XU ChangJin LIAO MaoXin LI PeiLuan | 2019 | Science China(Technological Sciences)2019，62，12： | 3 |
| 2 | Stabil- ity and bifurcation analysis of a delayed predator-prey model of prey dispersal in two-patch environments显示文摘 | XU Changjin TANG Xianhua LIAO Maoxin | 2010 | App Math and Comput2010，216，10： | 1 |
| 3 | On certaingeneralized class of non - BazileviC functions 显示文摘 | WANG Zhigang GAO Chunyi LIAO Maoxin | 2005 | ActaMath Acade Paeda Nyire2005，21，： | 1 |
| 4 | Dynamical properties of a class of higher-order nonlinear difference equations显示文摘 | Maoxin Liao Xianhua Tang Zigen Ouyang | 2011 | Applied Mathematics and Computation2011，217，12： | 1 |
| 5 | Stability and Hopf bifurcation analysis for a Lotka-Volterra predator-prey model with two delays显示文摘 | Changjin Xu Maoxin Liao Xiaofei He | 2011 | International Journal of Applied Mathematics and Computer Science2011，，1： | 1 |
| 6 | Bifurcation analysis for a three-species predator-prey system with two delays 显示文摘 | Liao Maoxin Tang Xianhua Xu Changjin | 2012 | Communications in Nonlinear Science and Numerical Simulation2012，17，1： | 1 |
| 7 | Bifurcation analysis for a three-species predator-prey system with two delays显示文摘 | Liao Maoxin Tang Xianhua Xu Changjin | 2012 | Communications in Nonlinear Science and Numerical Simulation2012，17，1： | 1 |
| 8 | Catalytic mechanism of manganese ions and visible light on chalcopyrite bioleaching in the presence of Acidithiobacillus ferrooxidans显示文摘The bioleaching of chalcopyrite is low cost and environmentally friendly,but the leaching rate is low.To explore the mechanism of chalcopyrite bioleaching and improve its leaching rate,the effect and mechanism of manganese ions(Mn^(2+))and visible light on chalcopyrite mediated by Acidithiobacillus ferrooxidans(A.ferrooxidans)were discussed.Bioleaching experiments showed that when both Mn^(2+)and visible light were present,the copper extraction was 14.38%higher than that of the control system(without Mn^(2+)and visible light).Moreover,visible light and Mn^(2+)promoted the growth of A.ferrooxidans.Scanning electron microscopy(SEM)and energy dispersive spectrometer(EDS)analysis revealed that Mn^(2+)promoted the formation of extracellular polymeric substance(EPS)on the surface of chalcopyrite,changed the morphology of A.ferrooxidans,enhanced the adsorption of bacteria on chalcopyrite surface with light illumination,and thus promoted the bioleaching of chalcopyrite.UV–vis absorbance spectra indicated that Mn^(2+)promoted the response of chalcopyrite to visible light and enhanced the catalytic effect of visible light on chalcopyrite bioleaching.Based on X-ray photoelectron spectroscopy(XPS),the relevant sulfur speciation of chalcopyrite before and after bioleaching were analyzed and the results revealed that visible light and Mn^(2+)promoted chalcopyrite bioleaching by reducing the formation of passivation layer(S_(n)^(2-)/S0).Investigation into electrochemical results further indicated that Mn^(2+)and visible light improved the electrochemical activity of chalcopyrite,thus increasing the bioleaching rate. | Chunxiao Zhao Baojun Yang Rui Liao Maoxin Hong Shichao Yu Jun Wang Guanzhou Qiu | 2022 | Chinese Journal of Chemical Engineering2022，35，1： | 1 |
| 9 | Bifurcation analysis in a delayed Lokta-Volterra predator-prey model with two delays显示文摘 | Xu Changjin Tang Xianhua Liao Maoxin | 2011 | Nonlinear Dynamics2011，66，12： | 1 |
| 10 | Influence of time delay on weighted pseudo-almost periodic dynamics in SICNNs显示文摘Purpose–The purpose of this paper is to investigate the weighted pseudo-almost periodic solutions of shunting inhibitory cellular neural networks(SICNNs)with time-varying delays and distributed delays.Design/methodology/approach–The principle of weighted pseudo-almost periodic functions and some new mathematical analysis skills are applied.Findings–A set of sufficient criteria which guarantee the existence and exponential stability of the weighted pseudo-almost periodic solutions of the considered SICNNs are established.Originality/value–The derived results of this paper are new and complement some earlier works.The innovation of this paper concludes two points:a new sufficient criteria guaranteeing the existence and exponential stability of the weighted pseudo-almost periodic solutions of SICNNs are established;and the ideas of this paper can be applied to investigate some other similar neural networks. | Changjin Xu Maoxin Liao Peiluan Li | 2019 | International Journal of Intelligent Computing and Cybernetics2019，12，2： | 0 |
| 11 | IDENTIFICATION OF PARAMETERS IN PARABOLIC EQUATIONS WITH NONLINEARITY显示文摘In this paper, we consider the identification of parameters in parabolic equations with nonlinearity. Some approximation processes for the identification problem are given. Our results improve and generalize the previous results. | Youjun Xu, Maoxin Liao (School of Math. and Physics, University of South China, Hengyang 421001, Hunan) Zhenhai Liu (School of Mathematical Sciences and Computing Technology, Central South University, Changsha 410075) | 2010 | Annals of Differential Equations2010，26，1： | 0 |
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