We give three equivalent conditions for weak convergence of almost orbits of an asymptotically nonexpansive commutative semigroup, acting on a nonempty bounded closed convex subset of a uniformly convex Banach space whose dual has the Kadec property. (C) 2002 Elsevier Science (USA). All rights reserved.
机构:
Univ Yamanashi, Grad Sch Educ, Dept Math, 4-4-37 Takeda, Kofu, Yamanashi 4008510, Japan
Tokyo Womans Christian Univ, Dept Math, Suginami Ku, 2-6-1 Zempukuji, Tokyo 1678585, JapanUniv Yamanashi, Grad Sch Educ, Dept Math, 4-4-37 Takeda, Kofu, Yamanashi 4008510, Japan