Iterative solution of nonlinear equations with strongly accretive operators in Banach spaces |
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Authors: | 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 real Banach space with a uniformly convex dual X*. Let T: X→X be a Lipschitzian and strongly accretive mapping with a Lipschitzian constant L≥1 and a strongly accretive constant
k∈(0,1). Let {±
n
} and {2
n
} be two real sequences in 0,1] statisfying:
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(( i )) |
|
(( ii )) |
|
(( iii )) |
Set Sx = f-Tx+x, ∀x∈X. Assume that {un}
n=0
∞
and {vn}
n=0
∞
be two sequences in X satisfying ∥u
n
∥ For arbitrary x0∈X, the iteration sequence {xn} is defined by then {xn} converges strongly to the unique solution of the equation Tx=f.
A related result deals with iterative approximation of fixed points of ϕ-hemicontractive mappings. |
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Keywords: | Ishikawa iteration with errors strongly accretive mapping hemicontractive mapping |
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