摘要
本文建立状态转移比与成员属于等级的时间有关的等级结构的动力学模型,并利用正半群理论得到解的渐近性态。
In this paper, a dynamic model of grade structure is deduced in which the transfer ratios are relevant to the time that a member belongs to a grade. By the theory of positive semigroups the asymptotic behavior of its solution is obtained.
出处
《数学的实践与认识》
CSCD
1999年第3期33-36,共4页
Mathematics in Practice and Theory
关键词
等级结构
发展方程
渐近性态
动力学模型
解
grade structure, evolution equation, co semigroup, asymptotic behavior
