Adaptive control of singular nonlinear systems with convex/concave parametrization. - Qingxiang Fang; Feilong Cao (ICARCV, 2010)

Singular LQ Problem for Irregular Singular Systems. - Qingxiang Fang; Baolin Zhang 001; Jun-e Feng (J. Appl. Math., 2014)

A comment on "Attractivity for functional Volterra integral equations of convolution type". - Qingxiang Fang; Xiaoping Liu (J. Comput. Appl. Math., 2023)