| 1. | Existence of positive periodic solutions for a class of functional differential equations 滞后型泛函微分方程正周期解的存在性 |
| 2. | Positive solutions of retarded differential equations with nonlocal boundary condition 带非局部边值条件的滞后型微分方程的正解 |
| 3. | The existence of positive solutions for the quasilinear functional delay differential equations 拟线性滞后型微分方程正解的存在性 |
| 4. | Quadratic integrability and boundeness of solutions about a class of second order time lag differential equation 二阶滞后型微分方程解的有界性与平方可积性 |
| 5. | The first part of this paper ( chapters 2 and 3 ) discusses the stability and hopf bifurcation for two classes of retarded differential difference systems 本文的第一部分(第二章、第三章)就是讨论两类特殊形式的滞后型微分差分系统的稳定性和hopf分支的存在性 |
| 6. | The second part of this paper is concerned with the theory of retarded functional differential equations ( rfdes ) and applications to the existence of positive periodic solutions of rfdes 本文的第二第二部分着重讨论一类滞后型泛函微分方程( rfdes )正周期解的存在性。 |
| 7. | The first part is concerned with caristi ' s fixed point theorem , while the existence of positive periodic solutions of retarded functional differential equations is discussed in the second part 第一部分研究集值型映射的caristi型不动点定理,第二部分讨论滞后型泛函微分方程正周期解的存在性。 |
| 8. | From looking through the urbanization process we can see that the characteristic of urbanization - lagging behind - industrinization mostly because of neglecting the law of urbanization and doing more by government 审视中国城镇化进程,忽视城镇化发展规律政府作用十分明显,由此形成中国特色的滞后型城镇化。 |
| 9. | In this paper , we will prove some inequalities first . then some oscillation criteria for equations with delay or advanced argument will be given as simple corollaries of the inequalities 在本篇论文中,我们首先证明两个不等式,然后根据这两个不等式得到几个明确的推论,即关于滞后型微分方程和超前型微分方程振动的判据。 |
| 10. | The first part is concerned with the stability and hopf bifurcation from an equilibrium for two classes of retarded differential difference systems , while the second part deals with the existence of positive periodic solutions of retarded functional differential equations with infinite delay 本文分两个部分,第一部分研究两类三维特殊的滞后型微分差分系统平衡点的稳定性和hopf分支,第二部分讨论无穷时滞泛函微分方程正周期解的存在性。 |