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Strong convergence theorem for uniformly L-Lipschitzian asymptotically pseudocontractive mapping in real Banach space
Authors:EU Ofoedu
Institution:Department of Mathematics, Nnamdi Azikiwe University, P. M. B. 5025, Awka, Anambra State, Nigeria
Abstract:Let E be a real Banach space. Let K be a nonempty closed and convex subset of E, View the MathML source a uniformly L-Lipschitzian asymptotically pseudocontractive mapping with sequence {kn}n?0⊂1,+∞), limn→∞kn=1 such that F(T)≠∅. Let {αn}n?0⊂0,1] be such that n?0αn=∞, View the MathML source and n?0αn(kn−1)<∞. Suppose {xn}n?0 is iteratively defined by xn+1=(1−αn)xn+αnTnxn, n?0, and suppose there exists a strictly increasing continuous function View the MathML source, ?(0)=0 such that 〈Tnxx,j(xx)〉?knxx2?(‖xx‖), ∀xK. It is proved that {xn}n?0 converges strongly to xF(T). It is also proved that the sequence of iteration {xn} defined by xn+1=anxn+bnTnxn+cnun, n?0 (where {un}n?0 is a bounded sequence in K and {an}n?0, {bn}n?0, {cn}n?0 are sequences in 0,1] satisfying appropriate conditions) converges strongly to a fixed point of T.
Keywords:Asymptotically pseudocontractive  Uniformly L-Lipschitzian
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