节点文献
变时滞差分方程正解的存在性(英文)
Existence of Positive Solutions for Difference Equations with Variable Delays
【摘要】 利用广义特征方程,得出了线性变时滞差分方程xn+1-xn+∑mi=1pi(n)xτi(n)=0正解存在的充分必要条件,这个条件是时滞泛函微分方程相应结论的离散形式.
【Abstract】 A necessary and sufficient condition for the existence of positive solutions for the linear delay difference equation with variable delaysxn+1-xn+∑mi=1pi(n)xτi(n)=0is established by using generalized characteristic equation,which parallels the theory of delay differential equations.
【关键词】 线性时滞差分方程;
正解;
变时滞;
【Key words】 linear delay difference equation; positive solution; variable delay;
【Key words】 linear delay difference equation; positive solution; variable delay;
【基金】 The Youth Scientific Foundation of Shanxi Province(2 0 0 310 0 7)
- 【文献出处】 山西大学学报(自然科学版) ,Journal of Shanxi University (Natural Science Edition) , 编辑部邮箱 ,2004年03期
- 【分类号】O175
- 【被引频次】1
- 【下载频次】50