About author:QI Zheng-shen(1963-), male, native of Yuzhou, Henan, an associate professor of Xuchang Vo- cational Technicial College, engages in difference equations.
Supported by:
Supported by Natural Science Foundaton of Henan Providence(0111051200);
QI Zheng-shen, WANG Hong-yan . Global Asymptotic Stability of Zero Solution for Delay Difference Equations[J]. Chinese Quarterly Journal of Mathematics, 2007, 22(4): 612-620.