School of Computer Sciences;
Shenzhen Institute of Information Technology;
Shenzhen 518172;
China;
School of Mathematics;
Sun Yat-sen University;
Guangzhou 510275;
China;
Department of Public Courses;
Shenzhen Institute of Information Technology;
Shenzhen 518172;
China;
multidirectional associative memory neural networks; time scales; almost-periodic solutions; exponential stability.;