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| 1 | NECESSARY AND SUFFICIENT CONDITIONS FOR THE OSCILLATION OF A DELAY LOGISTIC EQUATION WITH CONTINUOUS AND PIECEWISE CONSTANT ARGUMENTS显示文摘In this paper, we obtain some necessary and sufficient conditions for the oscillation of all positive solutions of a delay Logistic equation with continuous and piecewise constant arguments about the positive equilibrium. | Wang Youbin Yan Jurang | 2005 | Annals of Differential Equations2005，21，3： | 4 |
| 2 | Oscillatory and Asymptotic Behaviour of Fourth Order Nonlinear Difference Equations | Yan Jurang (Department of Mathematics,Shanxi University,Taiyuan,030006,China)Liu Bin (Department of Mathematics,Hubei Normal University,Huangshi,435002,China) | 1997 | Acta Mathematica Sinica,English Series1997，13，1： | 3 |
| 3 | Generic oscillations of second order delay differential equations with impulses显示文摘 | Duan Yongrui Zhang Weiping Peng Tian Jurang Yan | 2003 | J Math Anal Appl2003，277，： | 1 |
| 4 | Oscillation and comparison results for delay difference equations显示文摘 | YAN Jurang QIAN Chuanxi | 1992 | J Math Anal Appl1992，165，： | 1 |
| 5 | Oscillation and stability of linear impulsive delay differential equations显示文摘 | YAN Jurang ZHAO Aimin | 1998 | Math Anal Appl1998，227，： | 1 |
| 6 | Comparision and oscillation results for delay difference equations with oscillating coefficients显示文摘 | YAN Weiping YAN Jurang | 1996 | Internat J Math & Math Sci1996，19，1： | 1 |
| 7 | Existence and global at activity of unique positive periodoic solution for a Lasota-Wazewska model显示文摘 | LIU Guirong ZHAO Aimin YAN Jurang | | 0，，： | 1 |
| 8 | Periodic boundary value problem for first order impulsive differential equations 显示文摘 | Fengqin Zhang Meili Li Jurang Yan | 2006 | Computer and Appl Math2006，51，： | 1 |
| 9 | Stability for impulsive delay differential equations显示文摘 | | 2005 | Nonlinear Analysis2005，63，1： | 1 |
| 10 | Positive Periodic Solutions for A Neutral Delay Ratio-dependent Predator-prey Model with A Holling Type II Functional Response显示文摘 | Liu Guirong Yan Jurang | 2011 | Nonlinear Analysis:2011，12，： | 1 |
| 11 | Oscillation behavior of even order neutral differential equations with variable coefficients显示文摘 | Quanxin Zhang Jurang Yan | 2006 | Appl Math Lellers2006，19，11： | 1 |
| 12 | Oscillation theorems for second order linear differential equations with damping显示文摘 | Jurang Yan | 1986 | Proc Amer Math Soc1986，98，2： | 1 |
| 13 | Existence and global attractivity of posi tive periodic solution for an impulsive Lasota-Wazewska model 显示文摘 | YAN Jurang | 2003 | Journal of Mathematical Analysis and Ap plications2003，279，1： | 1 |
| 14 | Existence of positive periodic solutions of impulsive functional differential equations with two pa- rameters 显示文摘 | YAN Jurang | 2007 | Journal of Mathematical Analysis and Applications2007，327，2： | 1 |
| 15 | Oscillation theorems for second order liner differential equations with damping显示文摘 | Jurang Yan | 1986 | Proc Amer Math Soc1986，98，2： | 1 |
| 16 | Existence of Multiple Positive Periodic Solutions of Delayed Predator- Prey Models with Functional Responses显示文摘 | Hu Xiaoling Liu Guirong Yan Jurang | 2006 | Computers and Mathematics with Applications2006，52，： | 1 |
| 17 | Stability and Hopf bifurcation in a delayed competition system显示文摘 | Jinzhu Zhang Zhen Jin Jurang Yan Guiquan Sun | 2009 | Nonlinear Anal2009，70，： | 1 |
| 18 | Oscillatory and asymptotic behaviour of second order nonlinear difference equations显示文摘 | Bing Liu Jurang Yan | 1996 | Proc Edin Math Soc1996，39，： | 1 |
| 19 | Oscillatory property of higher order nonlinear difference equations显示文摘 | Xiaoliang Zhou Jurang Yan | 1996 | Computers Math Applic1996，31，12： | 1 |
| 20 | Oscillatory and asymptotic properties of higher order nonlinear difference equations 显示文摘 | Xiaoliang Zhou Jurang Yan | 1998 | Nonlinear Anal Theory Methods Applic1998，31，34： | 1 |
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