[1] Hopfield J J. Neurons with graded response have collective computational properties like those of two-stage neurons [J]. Proc Nat Acad Sci, 1984,81(10):3088-3092. [2] ZHZNG Li-ming. Model and Its Applications of Artificial Neural Network [M]. Shanghai: Fudan University Press, 1993. (in Chinese) [3] Goplasam K, He X. Stability in asymmetric hopfield nets with transmission delays [J]. Phys D,1994,76(4):344-358. [4] Makucus C M, Westervelt R M. Stability of analog neural networks with asymmetric connection weights [J]. Phys Rev A, 1989,39(1):347-359. [5] Tank D, Hopfield J J. Simple neural optimization networks: an A/D converter, signal decision circuit, and a linear programming network [J]. IEEE Trans Circuits Systems, 1986,33(5):533-541. [6] Van Den Driessche P, Zou X. Global attractivity in delayed hopfield neural networks models [J].SIAM J Appl Math, 1998,58(6):1878-1890. [7] Matsuoka K. Stability conditions for nonlinear continuous networks with asymmetric connection weights [J]. Netural Networks, 1992,5(3):495-500. [8] LIANG Xue-bing, WU Li-de. Global exponential stability of Hopfield neural networks and its applications [J]. Science in China Series A, 1995,25(5):523-532. (in Chinese) [9] LIANG Xue-bing, WU Li-de. On the global exponential stability of Hopfield neural networks [J].Chinese Science Bulletin, 1996,41(15):1434-1438. (in Chinese) [10] Morita M. Associative memory with non-monotone dynamics [J]. Neural Networks, 1993,6(1):115-126. |