论文部分内容阅读
On the Nonexistence of Laurent Polynomial First Integrals for General Nonlinear Systems
【机 构】
：
SchoolofMathematics,SchoolofBusiness
【出 处】
：
东北数学：英文版
【发表日期】
：
2003年2期
【基金项目】
：
The NSF(10126013)of China
其他文献
Higson have introduced the conception of “Higson's corona” (see [1]). For a given metricspace χ, it is a kind of compactification of χ related to the me
Consider I pairs of independent binomial variates X0i and X1i, with corresponding parameters P0i and P1i and sample sizes n0i and n1i for i = 1,…… , I. Let △
We consider the existence of single and multiple positive periodic solutions for the general periodic Logistic equation
<正> In 1923, Hardy and Littlewood[1] conjectured that each integer n can be written asp+m12+ m22 = n,and Linnik[2,3] proved that this conjecture is true. But i
Piece-wise smooth systems are an important class of ordinary differential equations whosedynamics are known to exhibit complex bifurcation scenarios and chaos.
【正】 一不了解亨利·劳森,就不会了解十九世纪澳大利亚文学中的丛林人。这样说决非夸张之词。丛林人由于劳森的辛勤笔墨,才在世界文坛上树立了自己的形象。丛林生活需