Iterative approximation with errors of fixed point for a class of nonlinear operator with a bounder range |
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Authors: | Xue Zhiqun Zhou Haiyun |
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Institution: | Department of Basic Science, Ordnance Engineering College, Shijiazhuang 050003, P. R. China |
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Abstract: | Let X be a uniformly smooth real Banach space. Let T:X → X be continuos and strongly accretive operator. For a given f ε X,
define S: X → X by Sx =f−Tx+x, for all x ε X. Let {an}
n=0
∞
, {βn}
n=0
∞
be two real sequences in (0, 1) satisfying:
|
((i)) |
;
|
((ii)) |
Assume that {un}
n=0
∞
and {υn}
n=0
∞
are two sequences in X satisfying ‖un‖ = 0(αn) and ‖υn‖ → 0 as n → ∞. For arbitrary x0 ε X, the iteration sequence {xn} is defined by
|
(1) |
Moreover, suppose that {Sxn} and {Syn} are bounded, then {xn} converges strongly to the unique fixed point of S. |
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Keywords: | uniformly smooth real Banach spaces Ishikawa iteration with errors strongly accretive operator |
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