Quadratic Admissible Estimate of Covariance in Pseudo-Elliptical Contoured Distribution. - Hengjian Cui; Xiuhong Gao (J. Syst. Sci. Complex., 2006)

Entanglement of formation and concurrence for mixed states. - Xiuhong Gao; Sergio Albeverio; Kai Chen 008; Shao-Ming Fei; Xianqing Li-Jost (Frontiers Comput. Sci. China, 2008)