Exponential input-to-state stability of quaternion-valued neural networks with time delay. - Xingnan Qi; Haibo Bao; Jinde Cao (Appl. Math. Comput., 2019)

Synchronization criteria for quaternion-valued coupled neural networks with impulses. - Xingnan Qi; Haibo Bao; Jinde Cao (Neural Networks, 2020)