| 1. | Uniqueness theorems for solutions of differential equations 关于微分方程解的唯一性 |
| 2. | An existence and uniqueness theorem of limit cycles for li 233 ; nard system 极限环的一个存在唯一性定理 |
| 3. | Uniqueness theorems for meromorphic functions that share three sets 具有三个公共值集的亚纯函数的唯一性 |
| 4. | The uniqueness theorem of limit cycle for a prey - predator system and its application 一类捕食系统极限环惟一性定理及其应用 |
| 5. | Existence and uniqueness theorems of solutions for a class of higher - order boundary value problems 一类高阶常微分方程边值问题的解的存在惟一性 |
| 6. | The uniqueness theorem of generalized quasi - analyticity of the infinitely differentiable functions in some closed angular domain is extehded to the functions of several complex variables 摘要把无穷可微函数类在角形闭区域上的唯一性结果推广到了多维情形。 |
| 7. | We apply this condition and elementary properties of fourier series to prove a uniqueness theorem for periodic solutions of a class of second order nonlinear ordinary differential systems 我们应用这个条件和傅立叶级数的基本性质证明了二阶非线性常微系统周期解的唯一性定理。 |
| 8. | The existence of fixed point for some class of order - compression decreasing operators is studied , and some existence and uniqueness theorems are obtained . finally , we give an example of application 摘要研究了在序压缩条件下非紧减算子的不动点的存在性,得到了新的不动点定理,并给出了一个应用的例子。 |
| 9. | Abstract : in this paper , the maximum principles for fourth order nonlinear parabolic equations are proved . by using these maximum principles , the uniqueness theorem and gradient estimates for the solutions of some fourth order parabolic equations are obtained 文摘:文中证明了四阶非线性抛物方程的最大值原理,利用这些最大值原理获得了一些四阶抛物型方程的解的唯一性定理和解的梯度估计 |
| 10. | Assume that . in this paper , we will discuss the existence , the non - existence and the uniqueness of limit cycle system ( * ) . the methods employed are poincare - bendixsion theorem , method of dulac function and zhang zhifen ' s uniqueness theorem . our main results are as follows : theorem 1 对的情形,我们讨论了系统( * )极限环的存在性、不存在性和唯一性。主要利用环域定理、 dulac函数法和张芷芬的唯一性定理等手法。 |