Growing Hierarchical Principal Components Analysis Self-Organizing Map. - Stones Lei Zhang; Zhang Yi 001; Jiancheng Lv 001 (ISNN (1), 2006)

Activity Invariant Sets and Exponentially Stable Attractors of Linear Threshold Discrete-Time Recurrent Neural Networks. - Lei Zhang 005; Zhang Yi 001; Stones Lei Zhang; Pheng-Ann Heng (IEEE Trans. Autom. Control., 2009)