A Posteriori Error Estimates Based on the Polynomial Preserving Recovery. - Ahmed Naga; Zhimin Zhang 002 (SIAM J. Numer. Anal., 2004)

A New Finite Element Gradient Recovery Method: Superconvergence Property. - Zhimin Zhang 002; Ahmed Naga (SIAM J. Sci. Comput., 2005)

Enhancing Eigenvalue Approximation by Gradient Recovery. - Ahmed Naga; Zhimin Zhang; Aihui Zhou (SIAM J. Sci. Comput., 2006)

Function Value Recovery and Its Application in Eigenvalue Problems. - Ahmed Naga; Zhimin Zhang (SIAM J. Numer. Anal., 2012)