Convergence Theorem for a Family of Generalized Asymptotically Nonexpansive Semigroup in Banach Spaces
Author(s) -
Bashir Ali,
Godwin Chidi Ugwunnadi
Publication year - 2012
Publication title -
international journal of mathematics and mathematical sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 39
eISSN - 1687-0425
pISSN - 0161-1712
DOI - 10.1155/2012/986426
Subject(s) - mathematics , banach space , variational inequality , semigroup , uniformly convex space , fixed point , regular polygon , sequence (biology) , convergence (economics) , norm (philosophy) , differentiable function , pure mathematics , uniform continuity , discrete mathematics , lp space , mathematical analysis , eberlein–šmulian theorem , metric space , geometry , political science , law , economics , economic growth , biology , genetics
Let be a real reflexive and strictly convex Banach space with a uniformly Gâteaux differentiable norm. Let ={()∶≥0} be a family of uniformly asymptotically regular generalized asymptotically nonexpansive semigroup of , with functions ,∶[0,∞)→[0,∞). Let ∶=()=∩≥0(())≠∅ and ∶→ be a weakly contractive map. For some positive real numbers and satisfying +>1, let ∶→ be a -strongly accretive and -strictly pseudocontractive map. Let {} be an increasing sequence in [0,∞) with lim→∞=∞, and let {} and {} be sequences in (0,1] satisfying some conditions. Strong convergence of a viscosity iterative sequence to common fixed points of the family of uniformly asymptotically regular asymptotically nonexpansive semigroup, which also solves the variational inequality ⟨(−),(−)⟩≤0, for all ∈, is proved in a framework of a real Banach space
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