... of twoidentical neurons with excitatory interactions, which has found interesting applications in image processing of moving objects and has been investigated in [7]. In fact, we can rewrite ... Changsha,Hunan 410082, ChinaE-mail address: lhhuang@hnu.net.cnGuang Zhang: Department of Mathematics, Qingdao Institute of Architecture and Engineering,Qingdao, Shandong 266033, ChinaE-mail address: ... Applications,2nded.,Monographs and Textbooks in Pure and Applied Mathematics, vol. 228, Marcel Dekker, NewYork, 2000.[2] Y. Chen and J. Wu, Minimal instability and unstable set of a phase-locked periodic orbit in a...