Coupled fixed point theorems for nonlinear contractions satisfied Mizoguchi-Takahashi's condition in quasiordered metric spaces. Du, Wei-Shih — 2010 Fixed Point Theory and Applications [electronic only]
Critical point theorems for nonlinear dynamical systems and their applications. Du, Wei-Shih — 2010 Fixed Point Theory and Applications [electronic only]
Nonlinear contractive conditions for coupled cone fixed point theorems. Du, Wei-Shih — 2010 Fixed Point Theory and Applications [electronic only]
Fixed point theorems for nonexpansive mappings on nonconvex sets in UCED Banach spaces. Du, Wei-Shih; Huang, Young-Ye; Yen, Chi-Lin — 2002 International Journal of Mathematics and Mathematical Sciences