魏俊杰，哈爾濱工業大學（威海）理學院數學系，系主任，二級教授，主要研究泛函微分方程的理論及其應用。
人物經歷
教育經歷
1975.8--1978．8東北師范大學數學。
1992．8--1995．12吉林大學純粹數學 博士 常微分方程。
工作經歷
1978．8--1986．8 東北師范大學數學系 助教。
1986．8--1988．6 東北師范大學數學系 講師。
1988．6--1994．8 東北師范大學數學系 副教授。
1994．8--2001．12 東北師范大學數學系 教授。
2002．1--至今 哈爾濱工業大學數學系 教授。
國內外進修訪問經歷：
1982．3--1981．1 進修 安徽大學 數學 泛函微分方程。
1993．5--1994．2 訪問 加拿大York 大學 數學 分支理論。
1997．9--1998．4 訪問 加拿大Dalhousie大學 數學 分支理論。
2000. 5--2000．7 訪問 美國 Mississippi州立大學 數學 分支理論。
2002．1--2003．1 博士后 西班牙Complutense大學 數學 分支理論。
社會任職
黑龍江省數學學會副理事長
主要成就
主講課程
研究生：常微分方程定性理論、分支理論、泛函微分方程基本理論
研究方向
(1)時滯微分方程的理論及其應用，包括時滯微分方程的振動理論，穩定性理論，分支理論和解映射的復雜性等；應用包括建立和改進在生態學，神經科學，物理學及化學等領域中提出的時滯微分方程的數學模型，進而以泛函微分方程理論為基礎，對相應的數學模型加以研究，再用所得數學結果對該數學模型刻畫的實際過程給出數學解釋并預測其發展趨勢。通過對有實際背景的時滯微分方程的研究，也進一步完善發展泛函微分方程的理論。
(2)具時滯的反應擴散方程的分支理論及應用，包括反應擴散方程的穩態解分支，Turing不穩定性，Hopf分支，周期解的大范圍存在性以及有實際背景的時滯反應擴散方程的動力學性質分析。
科研項目
1.時滯動力系統的分支理論及應用（國家自然科學基金10771045）
2.時滯微分方程的分支理論及應用（國家自然科學基金10471030）
3.泛函微分方程的分支理論及應用（教育部博士點基金20050213002）
學術論文
Duan Daifeng, Niu Ben and Wei Junjie, Local and global Hopf bifurcation in a neutral population model with age structure, MATHEMATICAL METHODS IN THE APPLIED SCIENCES, 42(2019) 14: 4747-4764.
Duan Daifeng, Niu Ben and Wei Junjie, Coexistence of Periodic Oscillations Induced by Predator Cannibalism in a Delayed Diffusive Predator-Prey Model, INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS, 29 (2019) 7,文獻號:1950089.
Li Na and Wei Junjie, Bifurcation analysis in a nonlinear 銀金礦optical oscillator with delayed bandpass feedback, NONLINEAR 動力學, 96 (2019) 1: 483-496.
Wang, Chuncheng; Wei, Junjie, Hopf Bifurcations for Neutral Functional Differential Equations with Infinite Delays, FUNKCIALAJ EKVACIOJ-SERIO INTERNACIA, 62 (2019) 1: 95-127.
Liang Jitai and Wei Junjie, Lyapunov functional for 病毒 infection model with diffusion and state-dependent delays, MATHEMATICAL BIOSCIENCES AND ENGINEERING, 16 (2019) 2: 947-966.
pan Yingli, Su Ying and Wei Junjie, Accelerating propagation in a recursive system arising from seasonal population models with nonlocal dispersal. J. Differential Equations，267 (2019), no. 1, 150–179.
Chen Shanshan, Wei Junjie and Yang Kaiqi, Spatial nonhomogeneous periodic solutions induced by nonlocal prey competition in a diffusive predator-prey model. Internat. J. Bifur. Chaos Appl. Sci. Engrg. 29 (2019), no. 4, 1950043, 19 pp.
Duan Daifeng, Niu Ben and Wei Junjie, Hopf-Hopf bifurcation and chaotic attractors in a delayed diffusive predator-prey model with fear effect. Chaos Solitons Fractals 123(2019), 206–216.
Chen Shanshan, Yang Hong and Wei Junjie, Global 動力學 of two phytoplankton-zooplankton models with toxic substances effect. J. APPL Anal. Comput. 9 (2019) 2: 796–809.
pan Yingli, Su Ying and Wei Junjie, Bistable waves of a recursive system arising from seasonal age-structured population models. Discrete Contin. Dyn. Syst. Ser. B 24(2019) 2: 511–528.
Wang Xuechen, Wu Haixiu and Wei Junjie,On distribution of the roots for an exponential polynomial equation with applications, Appl. 數學 Lett. 90 (2019), 36–41.
Du Yanfei, Niu Ben and Wei Junjie, Two delays induce Hopf bifurcation and double Hopf bifurcation in a diffusive Leslie-Gower predator-prey system. Chaos, 29 (2019), 1, 013101, 16 pp
Yang Hong and Wei Junjie, Global behaviours of an in-host viral model with general incidence terms. APPL Anal. 97 (2018) 14: 2431–2449.
Chen Shanshan, Wei Junjie and Zhang Jianhui, 動力學 of a diffusive predator-prey model: the effect of conversion rate. J. Dynam. Differential Equations 30 (2018) 4: 1683–1701.
Wei Xin and Wei Junjie, The effect of delayed feedback on the dynamics of an autocatalysis reaction-diffusion system. Nonlinear Anal. Model. Control 23 (2018) 5: 749–770.
pan Yingli, Fang Jian and Wei Junjie, SEASONAL INFLUENCE ON AGE-STRUCTURED INVASIVE 物種 WITH YEARLY GENERATION, SIAM J. APPL. 數學 78(2018) 3: 1842-1862.
Hao Pengmiao, Wang Xuechen and Wei Junjie, Hopf bifurcation analysis of a diffusive single species model with stage structure and strong Allee effect, Mathematics and Computers in Simulation, 153(2018) 1-14.
Niu Ben, Zhang Jiaming and Wei Junjie, multipleparameter bifurcation analysis in a Kuramoto model with 時間 delay and distributed shear, AIP ADVANCES, 8(2018)5文獻號:055111.
Yang Hong and Wei Junjie, Note on the stability of reaction–diffusion systems with delays by Lyapunov functional, Applied 數學 Letters 83 (2018) 林彥君155.
Chen Shanshan, Lou Yuan and Wei Junjie, Hopf bifurcation in a delayed reaction-diffusion-advection population model, JOURNAL OF DIFFERENTIAL EQUATIONS, 264(2018) 8: 5333-5359.
Shen Zuolin and Wei Junjie, HOPF BIFURCATION ANALYSIS IN A DIFFUSIVE PREDATOR-PREY SYSTEM WITH DELAY AND SURPLUS KILLING EFFECT, MATHEMATICAL BIOSCIENCES AND ENGINEERING, 15(2018) 3: 693-715.
Xu Xiaofeng and Wei Junjie, TURING-HOPF BIFURCATION OF A CLASS OF MODIFIED LESLIE-GOWER MODEL WITH DIFFUSION, DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS-SERIES B, 23(2018) 2: 765-783.
Chen Shanshan, Wei Junjie and Yu Jinzhu, Stationary patterns of a diffusive p紅色ator-prey model with Crowley-Martin functional response , NONLINEAR ANALYSIS-REAL WORLD APPLICATIONS, 39(2018) 33-57.
Fan, Dejun, Hao Pengmiao, Sun Dongyan and Wei Junjie, Global stability of multi-group SEIRS epidemic models with vaccination, INTERNATIONAL JOURNAL OF BIO數學, 11(2018)1文獻號:1850006.
Wei Xin and Wei Junjie, Stability and Bifurcation Analysis in the Photosensitive CDIMA System with Delayed Feedback Control, INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS, 27(2017) 11文獻號:1750177.
Hao, Pengmiao; Wang, Xuechen; Wei, Junjie, GLOBAL HOPF BIFURCATION OF A POPULATION MODEL WITH STAGE STRUCTURE AND STRONG ALLEE EFFECT, DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS-SERIES S, 10(2017) 5: 973-993 .
Wei Xin and Wei Junjie, Turing instability and bifurcation analysis in a diffusive bimolecular system with delayed feedback, COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION, 50(2017): 241-255.
Xu Xiaofeng and Wei Junjie, Bifurcation analysis of a spruce budworm model with diffusion and physiological structures, JOURNAL OF DIFFERENTIAL EQUATIONS, 262(2017) 10: 5206-5230.
Yang Ruizhi and Wei Junjie, The Effect of Delay on A Diffusive Predator-Prey System with Modified 張國榮Gower Functional Response, BULLETIN OF THE MALAYSIAN MATHEMATICAL SCIENCES SOCIETY, 40(2017) 1: 51-73.
Hao Pengmiao, Wei Junjie and Fan Dejun, Analysis of 動力學 in an eco-epidemiological model with stage structure , ADVANCES IN DIFFERENCE EQUATIONS,文獻號:223(2016).
Wei Xin and Wei Junjie, Neimark-Sacker bifurcation analysis in a discrete neutral Nicholson@#%s blowflies system with delay, JOURNAL OF DIFFERENCE EQUATIONS AND APPLICATIONS, 22(2016) 7: 865-877.
Wang Luxuan, Niu Ben and Wei Junjie, Dynamical analysis for a model of asset prices with two delays, PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS, 447 (2016) 297-313.
Jiang Zhichao, Ma Wanbiao and Wei Junjie, Global Hopf bifurcation and permanence of a delayed SEIRS epidemic model, 數學 AND COMPUTERS IN SIMULATION, 122(2016) 35-54.
Zhao Jiantao, Tian Jianjun Paul and Wei Junjie, Minimal Model of Plankton Systems Revisited with Spatial Diffusion and Maturation Delay, BULLETIN OF MATHEMATICAL BIOLOGY, 78(2016) 3: 381-412.
Zhao Jiantao, Wei Junjie, Persistence, Turing Instability and Hopf Bifurcation in a Diffusive Plankton System with Delay and Quadratic Closure, INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS, 26 (2016) 3:文獻號:1650047.
Wang Jinfeng, Wei Junjie and Shi Junping, Global bifurcation analysis and pattern formation in homogeneous diffusive predator-prey systems, JOURNAL OF DIFFERENTIAL EQUATIONS, 260 (2016) 4: 3495-3523.
Zhu Gang, Wei Junjie, Global stability and bifurcation analysis of a delayed p紅色ator-prey system with prey immigration, ELECTRONIC JOURNAL OF QUALITATIVE THEORY OF DIFFERENTIAL EQUATIONS , (2016) 13 : 1-20.
Sun Xinguo, Wei Junjie, Stability and bifurcation analysis in a viral infection model with delays, ADVANCES IN DIFFERENCE EQUATIONS ,(2015)文獻號:332.
Yang Hong, Wei Junjie, Analyzing global stability of a viral model with general incidence rate and cytotoxic T lymphocytes immune response, NONLINEAR 動力學, 82 (2015) 1-2: 713-722.
Sun Xinguo, Wei Junjie, Global existence of periodic solutions in an infection model, APPLIED 數學 LETTERS , 48(2015) 118-123.
Yang Hong, Wei Junjie, GLOBAL BEHAVIOUR OF A DELAYED VIRAL KINETIC MODEL WITH GENERAL INCIDENCE RATE, DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS-SERIES B, 20(2015)5: 1573-1582.
Chang Xiaoyuan, Wei Junjie, Bifurcation Analysis in an n-Dimensional Diffusive Competitive Lotka-Volterra System with 時間 Delay, INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS,25(2015)6文獻號:1550089
Zhao Jiantao; Wei Junjie， 動力學 in a diffusive plankton system with delay and toxic substances effect，NONLINEAR ANALYSIS-REAL WORLD APPLICATIONS， 22 （2015） 66-83.
Wang Xuechen; Wei Junjie, Dynamics in a diffusive predator-prey system with strong Allee effect and Ivlev-type functional response, JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 422(2015) 2: 1447-1462.
Yang Ruizhi; Wei Junjie, Bifurcation analysis of a diffusive predator-prey system with nonconstant 死亡 rate and Holling III functional response, CHAOS SOLITONS & FRACTALS , 70(2015) 1-13.
Yang Ruizhi; Wei Junjie, Stability and bifurcation analysis of a diffusive prey predator system in Holling type III with a prey refuge, NONLINEAR DYNAMICS , 79 (2015) 1: 631-646.
Chen Shanshan, Shi Junping, Wei Junjie, Bifurcation analysis of the Gierer-Meinhardt system with a 色彩飽和度 in the activator production, APPLICABLE ANALYSIS, 93(2014) 6: 1115-1134.
Chen Shanshan; Wei Junjie, Global attractivity in a model of genetic regulatory system with delay, APPLIED MATHEMATICS AND COMPUTATION, 232(2014) 411-415.
Li Michael Y.; Wang Chuncheng; Wei Junjie, Global Hopf Bifurcation Analysis of a Nicholson@#%s Blowflies Equation of Neutral Type, JOURNAL OF 動力學 AND DIFFERENTIAL EQUATIONS, 26(2014)1: 165-179.
Chen Shanshan; Wei Junjie, Stability and bifurcation in a two variable delay model for circadian rhythm of Neurospora crassa, JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 411(2014)1: 381-394.
Zuo Wenjie， Wei Junjie， Stability and bifurcation in a ratio-dependent Holling-III system with diffusion and delay, NONLINEAR ANALYSIS-MODELLING AND CONTROL , 19(2014)1: 132-153.
Jin Jiayin, Shi Junping, Wei Junjie and Yi Feng Qi, Bifurcation of patterned solutions in the diffusive Lengyel-Epstein system of cima chemical reactions, Rocky Mountain J. 數學 43(2013)1637-1674.
Wang Jinfeng, Shi Junping and Wei Junjie, Nonexistence of periodic obits for predator-prey system with strong Allee effect in prey populations, Electronic J. Differential Equations,文獻號：164，2013.
Li Xiuling and Wei Junjie, Stability and bifurcation analysis in a system of four coupled neurons with multiple delays, ACTA MATHEMATICAE APPLICATAE SINICA-ENGLISH SERIES, 29 (2013)2: 425-447.
Sun Xinguo and Wei Junjie, Global 動力學 of a HTLV-I infection model with CTL response, Electronic Journal of Qualitative Theory of Differential Equations, 2013, No. 40, 1-15.
Chang Xiaoyuan and Wei Junjie, Stability and Hopf bifurcation in a diffusive predator-prey system incorporating a pre refuge, Mathematical Biosciences and Engineering, 10 (2013) 4: 979–996.
Li Michael Y and Wei Junjie, Global Hopf bifurcation analysis of a neuron network model with 時間 delays, J. Mallet-Paret et al. (eds.) Infinite dimensional dynamical systems, 141–168, Fields Inst. Commun., 64, Springer, New York, 2013.
Liu Jianxin and Wei Junjie, On Hopf bifurcation of a delayed predator-prey system with diffusion, International J. Bifurcation and Chaos, 23(2013)1: 1350023 (13 pages).
Wang Yujie And Wei Junjie, Global 動力學 of a cholera model with 時間 delay, International J. Biomathematics 6 (2013) 1: 1250070 (18 pages).
Wang Yujie, Jianjun Paul Tian and Wei Junjie, Lytic cycle: A defining process in oncolytic virotherapy, Applied Mathematical Modelling 37 (2013) 5962-5078.
Wang Xuechen and Wei Junjie, Diffusion-driven stability and bifurcation in a predator-prey system with lvlev-type functional response, Applicable Analysis, 92(3013) 4: 752-775.
Chen Shanshan, Shi Junping and Wei Junjie, 時間 Delay-Induced Instabilities and Hopf Bifurcations in General Reaction–Diffusion Systems, J. Nonlinear Science, 23(2013) 1: 1-38.
Chen Shanshan, Shi Junping and Wei Junjie, The effect of delay o a diffusive predator-prey system with Holling type-II predator founctional response, Communications on Pure and Applied Analysis, 12(2013) 1 : 481-501.
Su Ying, Wei Junjie and Shi Junping, Hopf bifurcation in a diffusive logistic equation with mixed delayed and instantaneous density dependence, J. 動力學 and Differential Equations, 24(2012) 4: 897-925.
Chang Xiaoyuan and Wei Junjie, Hopf bifurcation and optimal control in a diffusive predator-prey system with 時間 delay and prey harvesting, Nonlinear Analysis: Modelling and Control, 17(2012) 4: 379–409.
Hao Pengmiao, Fan Dejun and Wei Junjie, Dynamic behaviors of s delayed HIV model with stage-structure, Communications in Nonlinear Science and Numerical Simulation, 17 (2012)12: 4753-4766.
Zhu Gang and Wei Junjie, Synchronized Hopf bifurcation analysis in a delay-coupled semiconductor lasers system, J. APPL 數學 (2012)文獻號:257635 DOI: 10.1155/2012/257635.
Wang Jinfeng and Wei Junjie, Bifurcation analysis of a delayed predator–prey system with strong Allee effect and diffusion , Applicable Analysis, 91(2012) 7: 1219–1241.
Chen Shanshan, Shi Junping and Wei Junjie, Global stability and Hopf bifurcation in a delayed diffusive 張國榮Gower predator-prey system, International Journal of Bifurcation and Chaos, 22 (2012) 3:文獻號:1250061.
Xu Chuang and Wei Junjie, On stability of two degenerate reaction diffusion systems, Journal of Mathematical Analysis and Applications, 390 (2012) 126–135.
Xu 壯語 and Wei Junjie, Hopf bifurcation analysis in a one-dimensional Schnakenberg reaction–diffusion model, Nonlinear Analysis: Real World Applications, 13 (2012) 1961–1977.
Shu Hongying, Fan Dejun and Wei Junjie, Global stability of multi-group SEIR epidemic models with distributed delays and nonlinear transmission, Nonlinear Analysis: Real World Applications, 13 (2012) 1581–1592.
Zuo Wenjie and Wei Junjie, Stability and bifurcation analysis in a diffusiveBrusselator system with delayed feedback, International Journal of Bifurcation and Chaos, 22(2012) 2:文獻號:1250037.
Zuo Wenjie and Wei Junjie, Multiple bifurcations and spatiotemporal patterns for a coupled two-cell Brusselator model, 動力學 of PDE, l8（2011）4： 363-384.
Liu Jianxin and Wei Junjie, Bifurcation analysis of a diffusive model of pioneer and climax 物種 interaction, Advances in Difference Equations, 2011 :52 doi:10.1186/1687-1847-2011-5.
Zhu Gang and Wei Junjie, Stability and Hopf-bifurcation analysis of an unidirectionally coupled system, Electronic Journal of Qualitative Theory of Differential Equations, 2011, No. 85, 1-17.
Chen Shanshan, Shi Junping and Wei Junjie, A Note on Hopf bifurcations in a delayed diffusive Lotka-Volterra predator-prey system, Computers and Mathematics with Applications, 62（2011） 5：2240-2245.
Wang Jinfeng, Shi Junping and Wei Junjie, 動力學 and Pattern Formation in a Diffusive Predator-Prey System with StrongAllee Effect in Prey, Journal of Differential Equations, 251（2011）4-5： 1276-1304.
Wei Junjie and Yu Chun Bo, Stability and bifurcation analysis in the cross-coupled laser model with delay, Nonlinear Dyn., 66 (2011)1:29-38.
Qu Ying, Michael Y Li and Wei Junjie, Bifurcation analysis in a neutral differential equation, J.Mathematical Analysis and Applications, 378 (2011) 387–402.
Zuo Wenjie and Wei Junjie, Stability and Hopf bifurcation in a diffusive predator–prey system withdelay effect, Nonlinear Analysis: Real World Applications, 12 (2011) 4: 1998-2011.
Su Ying, Ruan Shigui and Wei Junjie, Periodicity and synchronization in blood-stageMalaria infection, . Mathematical Biology, 63(2011)3:557-574.
Niu Ben and Wei Junjie, BifurcationA nalysiso f a NFDEA risingf rom multipledela-Feedback Control, International Journal of Bifurcation and Chaos, 21 (2011) 3: 759-774.
Fang Jian, Wei Junjie and Zhao Xiaoqiang, Uniqueness of traveling waves for nonlocal lattice equations, Proc. Amer. 數學 Soc., 139(2011), 1361-1373.
Wang Jinfeng, Shi Junping and Wei Junjie, Predator-prey system with strong Allee effect in prey, J. Mathematical Biology, 62(2011) 291–331.
Shu Hongying and Wei Junjie, Bifurcation analysis in a discrete BAM network model with delays, Journal of Difference Equations and Applications, 17(2011)1: 69-84.
Xu Meihong, Wei Yuan and Wei Junjie, Bifurcation analysis of R¨ossler system with multiple delayed feedback, ELECTRONIC JOURNAL OF QUALITATIVE THEORY OF DIFFERENTIAL EQUATIONS, 63（2010） 1-22.
Qu Ying, Wei Junjie and Ruan Shigui, Stability and bifurcation analysis in hematopoietic stem cell 動力學 with multiple delays, Physica D, 239 (2010) 2011-2024.
Fan Dejun, Hong Ling and Wei Junjie, Hopf bifurcation analysis in synaptically coupled HR neurons with two 時間 delays, Nonlinear Dynamics, 62(2010) 305–319.
Fang Jian, Wei Junjie and Zhao Xiaoqiang, Spreading speeds and travelling waves for non-monotone time-delayed lattice equations, Proc. Royal Society A-Mathematical Physical and Engineering Sciences, 466(2010) 2119: 1919-1934.
Qu Ying and Wei Junjie, Bifurcation analysis in a predator–prey system with stage-structure and harvesting, Journal of the Franklin Institute, 347 (2010) 1097–1113.
Qu Ying and Wei Junjie, Global Hopf Bifurcation Analysis for a時間delayed Model of Asset Prices, Discrete 動力學 in Nature and Society, 2010, art. no. 432821.
Yi Fengqi, Liu Jianxin and Wei Junjie, Spatiotemporal pattern formation and multiple bifurcations in a diffusive bimolecular model, Nonlinear Analysis: Real World Applications, 11 (2010) 3770-3781.
Liu Jianxin, Yi Fengqi and Wei Junjie, Multiple Bifurcation Analysis and Spatiotemporal Patterns in a 1-D Gierer-Meinhardt Model of Morphogenesis, International Journal of Bifurcation and Chaos, 20（2010）4：1007-1025.
Yu Chunbo, Wei Junjie and Zou Xingfu, Bifurcation analysis in an age-structured model of a single 物種 living in two identical patches, Applied Mathematical Modelling, 34(2010) 4:10681077.
Su Ying, Wan Aying and Wei Junjie, Bifurcation analysis in a diffusive "food-limited" model with 時間 delay, Applicable Analysis, 89（2010）7, 1161-- 1181.
Wang Chuncheng and Wei Junjie, Hopf Bifurcation for Neutral Functional Differential Equations, Nonlinear Analysis Series B: Real World Applications, 11(2010)3:1269-1277.
Wan Aying and Wei Junjie, Hopf bifurcation analysis of a food-limited population model with delay, Nonlinear Analysis Series B: Real World Applications, 11(2010)2:1087-1095.
Su Ying, Wei Junjie and Shi Junping, Bifurcation analysis in a delayed diffusive Nicholson@#%s blowflies equation, Nonlinear Analysis Series B: Real World Applications, 11(2010)3:1692-1703
He Xuezhong, Li Kai and Wei Junjie, Market stability switches in a continuous-時間 financial market with heterogeneous beliefs, Economic Modelling, 26（2009）:1432-1442.
Fan Dejun and Wei Junjie, Equivariant Hopf bifurcation in a ring of identical cells with delay, Mathematical Problems in Engieeing, vol. 2009, Article ID 950251, 34 pages, 2009. doi:10.1155/2009/950251.
Su Ying, Wei Junjie and Shi Junping, Hopf Bifurcations in a Reaction-DiffusionPopulation Model with Delay Effect, Journal of Differential Equations, 247(2009) 4: 1156-1184.
Li Kai and Wei Junjie, Stability and Hopf bifurcation analysis of a prey-predator system with two delays, Chaos, Solitons & Fractals, 42 (2009) 2606–2613.
Cui Xiaoqian and Wei Junjie, Bifurcation analysis in a kind of fourth-order delay differential equation, Discrete 動力學 in Nature and Society, Volume 2009 (2009), ID 235038, 20 pagesdoi:10.1155/2009/235038.
Fan Dejun and Wei Junjie, Bifurcation analysis of discrete survival red blood cells model, Communications in Nonlinear Science and Numerical Simulation, 14(2009)8: 3358-3368.
Yi Fengqi, Wei Junjie and Shi Junping, Bifurcation and Spatiotemporal Patterns in a Homogeneous Diffusive Predator-Prey System, Journal of Differential Equations, 246 (2009) 1944-1977.
Wei Junjie and Yu Chunbo, Hopf bifurcation analysis in a model of oscillatory gene expression with delay, Proceedings of the Royal Society of Edinburgh A, 139A（2009）879–895.
Wijeratne A. W., Su Ying and Wei Junjie, Hopf bifurcation analysis of diffusive Bass with delay under “negative-word-of-mouth”, International Journal of Bifurcation and Chaos, 19(2009)3:1059-1067.
Wan Aying and Wei Junjie, Bifurcation analysis of Mackey-Glass electronic circuits model with delayed feedback, Nonlinear 動力學, 57(2009)1-2: 85-96.
Yu Chunbo and Wei Junjie, Stability and bifurcation analysis in a basic model of the immune response with delays, Chaos, Solitons & Fractals, 41 (2009) 1223–1234.
Yi Fengqi, Wei Junjie and Shi Junping, Global Asymptotical Behavior of the Lengyel-Epstein Reaction-Diffusion System, APPL 數學 Letters, 22 (2009)52–55.
Wijeratne A. W., Yi Fengqi and Wei Junjie, Bifurcation Analysis in the Diffusive Lotka-Volterra System: An Application to Market Economy, Chaos, Solitons & Fractals, 40 (2009) 902–911.
Zhao Jiantao and Wei Junjie, Stability and bifurcation in a two harmful phyoplankton-zooplankton system, Chaos, Solitons & Fractals, 39(2009)3:1395-1409.
Fang Jian, Wei Junjie and Zhao Xiaoqiang, Spatial 動力學 of A Nonlocal and 時間delayed Reaction-Diffusion System, Journal of Differential Equations, 245(2008) 2749-2770.
Wei Junjie and Zhang Chunrui, Bifurcation analysis in a class of neural networks with delays, Nonlinear Analysis Series B : Real World Applications,9(2008)5:2234-2252.
Wang Chuncheng and Wei Junjie, Normal forms for NFDEs with parameters and application to the lossless transmission line, Nonlinear. 動力學, 52（2008）199-206.
Song Yongli, Peng Yahong and Wei Junjie, Bifurcations for a predator-prey system with two delays, Journal of Mathematical Analysis and Applications, 337( 2008)1: 466-479.
Jiang Weihua , Wang Hongbin and Wei Junjie, A study of singularities for magnetic bearing systems with 時間 delays, Chaos, Solitons & Fractals, 36(2008) 715-719.
Jiang Weihua and Wei Junjie, Bifurcation analysis in Van der Pol’s oscillator with delayed feedback, J. Comp. APPL 數學 213（2008）2-1: 604-615.
Yi Fengqi, Wei Junjie and Shi Junping, Diffusion-Driven Instability and Bifurcation in the Lengyel-Epstein System,Nonlinear Analysis Series B: Real World Applications, 9( 2008)3: 1038-1051.
Niu Ben and Wei Junjie, Stability and bifurcation analysis in an amplitude equation withdelayed feedback, Chaos, Solitons & Fractals, 37(2008)1362-1371.
Jiang Zhichao and Wei Junjie, Stability and Bifurcation Analysis in a Delayed SIR Model, Chaos, Solitons & Fractals, 35(2008) 609-619.
Fan Dejun and Wei Junjie, Hopf bifurcation analysis in a tri-neuron network with 時間 delay,Nonlinear Analysis Series B: Real World Applications, 9(2008)9-25.
Wan Aying and Wei Junjie, Bifurcation analysis in an approachable haematopoietic stem cells model, Journal of Mathematical Analysis and Applications, 245（2008）276-285.
Wang Chuncheng and Wei Junjie, Bifurcation Analysis on a Discrete Model of Nicholson@#%s Blowflies, Journal of Difference Equations and Applications, 14(2008)7:737-746.
Wei Junjie, Bifurcation analysis in a scalar delay differential equation, Nonlinearity, 20(2007) 11:2483-2498.
Song Yongli, Wei Junjie and Yuan Yuan, Stability and switches and Hopf bifurcations in a pair of delay-coupled oscillator, J. NONL. Sciences, 17(2007)145-166.
Qu Ying and Wei Junjie, Bifurcation analysis in a 時間delay model for prey-predator growth with stage-structure, Nonlinear 動力學, 49(2007)285-294
Yuan Yuan and Wei Junjie, Singularity Analysis on a Planar System with Multiple Delays, J. Dynam. Diff. Equns, 19(2007)2:437-456.
Wei Junjie and Fan Dejun, Hopf bifurcation analysis in a Mackey-Glass system, International .J. Bifurcation and Chaos, 17(2007)6:2149-2157.
Yuan Yuan and Wei Junjie, Multiple bifurcation analysis in a neural network model with delays, International .J. Bifurcation and Chaos, 16 (2006) 10:2903-2913.
Wei Junjie and Zou Xingfu, Bifurcation analysis of a population model and the resulting SIS epidemic model with delays, J. Comp. Appl. 數學 197（2006）1: 169-187.
Song Yongli, Wei Junjie and Yuan Yuan, Bifurcation analysis on a survival red blood cells model, J. Math. Anal. Appl. 316(2006)459-471.
Wei Junjie and Jiang Weihua, Stability and Bifurcation Analysis in a Neural Network Model with Delays， DYNA. CONTI. DIS. IMPUL. SYST. A: Mathematical Analysis，13 (2006) 2:177-192.
Li Xiuling and Wei Junjie, Stability and bifurcation analysis on a delayed neural network model, International .J. Bifurcation and Chaos, 15(2005)9:2883-2893.
Song Yongli, Han Maoan and Wei Junjie, Stability and Hopf bifurcation analysis on a simplified BAM neural network with delays, Physica D-Nonlinear Phenomena, 200(2005)185-204.
Wei Junjie and Jiang Weihua, Stability and bifurcation analysis in Van der Pol@#%s oscillator with delayed feedback, Journal of Sound and Vibration, 283(2005) 801-819.
Song Yongli and Wei Junjie, Local Hopf bifurcation and global periodic solutions in a delayed predator–prey system, Journal of Mathematical Analysis and Applications, 301(2005) 1:1-21.
Jiang Weihua and Wei Junjie, Bifurcation analysis in a limit cycle oscillator with delayed feedback, Chaos, Solitons & Fractals, 23(2005) 3:817-831.
Wei Junjie and Michael Y Li, Hopf bifurcation analysis in a delayed Nicholson blowflies equation, Nonlinear Analysis TMA, 60(2005) 7:1351-1367.
Wei Junjie, Zhang Chunrui and Li Xiuling, Bifurcation in a two-dimensional neural network model with delay, Appl. 數學 Mech-English Edition, 26(2005)2:210-217.
Li Xiuling and Wei Junjie , On the zeros of a fourth degree exponential polynomial with applications to a neural network model with delays, Chaos, Solitons & Fractals, 26(2005)2:519-526.
Wei Junjie and Yuan Yuan, Synchronized Hopf bifurcation analysis in a neural network model with delays, J. Mathematical Analysis and Applications, 312(2005) 1:205-229.
Shen Qihong and Wei Junjie, Stability and bifurcation of a human respiratory system model with 時間 delay , Appl. 數學 Mech-English Edition, 25 (2004)11: 1277-1290.
Song Yongli, and Wei Junjie, Bifurcation analysis for Chen@#%s system with delayed feedback and its application to control of chaos, Chaos Solitons & Fractals, 22 (2004)1: 75-91 .
Song Yongli, Wei Junjie and Han Maoan, Local and global Hopf bifurcation in a delayed hematopoiesis model, International J. Bifuecation and Chaos, 14(2004)11: 3909-3919.
Meng Xianzhang and Wei Junjie, Stability and bifurcation of mutual system with 時間 delay, Chaos, Solitons & Fractals, 21（2004）3：729-740.
Zhang Chunrui and Wei Junjie, Stability and bifurcation analysis in a kind of business cycle model with delay, Chaos, Solitons & Fractals, 22(2004)4:883-896.
Wei Junjie and Zhang Chunrui, Stability analysis in a first-order complex differential equations with delay, Nonlinear Analysis TMA, 59(2004)5:657-671.
Wei Junjie and G. Velarde, Bifurcation analysis and existence of periodic solutions in a simple neyral network with delays, Chaos, 14(2004)3:940-953.
Wei Junjie and Michael Y Li, Global existence of periodic solutions in a tri-neuron network model with delays, Physica D, 198(2004) 106-119.
Zhang Ruyuan, Wei Junjie and Huang Qichang, Hopf bifurcations of Bi-parameter ordinary differential systems, International J. Bifurcation and Chaos, 13(2003)6: 1545-1560.
Ruan Shigui and Wei Junjie, On the zeros of transcendental functions with applications to stability of delay differential equations with two delays, DYNA.CONT.DISC. IMPUL.SYST.A-數學ANAL. 10 (2003)6: 863-874 .
Ruan Shigui , Wei Junjie and Wu Jianhong, Bifurcation from a homoclinic orbit in partial functional differential equations, DISC. CONT. DYNA. SYST. 9 (2003)5: 1293-1322 .
Zhang Ruyuan, Wei Junjie and Wu Jianhong, On subharmonic solutions of systems of difference equations with periodic perturbations. Part II: Multiplicity and stability, J. 數學Anal. Appl. 276(2002)477-496.
Zhang Ruyuan, Wei Junjie and Wu Jianhong, Subharmonic solutions of systems of difference equations with periodic perturbations. Part I: Existence, J. Math. Anal. Appl. 275(2002)495-511.
Wei Junjie, Velarde. M and Markarov.V, Oscilatory phenomena and stability of periodic solutions in a simple neural network with delay, Nonlinear Phenomena in Complex Systems, 5(2002)4:407-417.
Jiang Daqing and Wei Junjie, Monotone method for periodic boundary value problem and periodic solution of FDEs, Nonlinear Analysis,50(2002)885-898.
魏俊杰，阮士貴，中立型微分方程零解的穩定性與全局Hopf分支，數學學報，45（2002）1：93-104。
Jiang Daqing and Wei Junjie, Existence of positive periodic solutions for Volterra intergo-differential equations，ACTA MATHEMATICA SCIENTIA，21（2011）4: 553-560.
Ruan Shigui and Wei Junjie, On the zeros of a third degree exponential poly-nomial with applications to a delayed model for the control of testosteronesecretion, IMA. J.數學 Appl. Med. Bio,18(2001)41-52.
蔣達清，魏俊杰，非自治時滯微分方程周期解的存在性，數學年刊，20A(1999)6:715-720.
Campbell SA, Ruan Shigui and Wei Junjie, Qualitative analysis of a neural network model with multiple 時間 delays, INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS, 9(1999) 8: 1585-1595.
Li Xiangao, Ruan Shigui and Wei Junjie, Stability and bifurcation in delay-differential equations with two delays, JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 236(1999) 2: 254-280.
Wei Junjie and Huang Qichang, Global existence of periodic solutions of Lienard equations with finite delay, Dynamics of Continuous, Discrete and Impulsive Systems,6(1999)603-614.
Ruan Shigui and Wei Junjie, Periodic solutions of planar systems with two delays, Pro. Roy. Soci. Ediburgh ,129A(1999) 1017-1032.
Wei Junjie and Ruan Shigui, Stability and bifurcation in a neural network model with two delays, Physica D ,130(1999)255-272.
出版圖書
《常微分方程》
《時滯微分方程的分支理論及應用》
參考資料 >
魏俊杰.哈爾濱工業大學（威海）研究生處.2021-12-24
魏俊杰.哈爾濱工業大學教師個人主頁.2021-12-24