摘要
本文利用锥上不动点定理研究了一类差分方程正周期解的存在性,推广了有关的结论.
By using the fixed point theorem on cone, the existence of positive periodic solute- ions of a class of delay ifference equations is investigated .and some important results are generalized.
出处
《湖南科技学院学报》
2008年第12期10-13,共4页
Journal of Hunan University of Science and Engineering
关键词
差分方程
全连续算子
锥
不动点定理
Difference equation
completely continuous operator
cone
fixed point theorem
