... Proceedings of the American Mathematical Society, vol.4, pp. 506–510, 1953.2 S. Reich, “Weak convergence theorems for nonexpansive mappings in Banach spaces,” Journal of Mathematical Analysis and Applications, ... 21Department of Mathematics, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand2PERDO National Centre of Excellence in Mathematics, Faculty of Science, Mahidol University,Bangkok ... Center of Excellence in Mathematics, the Thailand Research Fund, and the GraduateSchool of Chiang Mai University f or financial support.References1 W. R. Mann, “Mean value methods in iteration,”...