数学季刊(英文版)
數學季刊(英文版)
수학계간(영문판)
CHINESE QUARTERLY JOURNAL OF MATHEMATICS
2009年
1期
102-107
,共6页
郭鹏飞%朱先阳%李永昆
郭鵬飛%硃先暘%李永昆
곽붕비%주선양%리영곤
delay difference system%positive periodic solution%feedback control%fixed point theorem
By using a fixed point theorem on a cone to investigate the existence of two positive periodic solutions for the following delay difference system with feedback control