Approximation methods for nonlinear operator equations |
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Authors: | C E Chidume H Zegeye |
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Institution: | The Abdus Salam International Centre for Theoretical Physics, Trieste, Italy ; The Abdus Salam International Centre for Theoretical Physics, Trieste, Italy |
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Abstract: | Let be a real normed linear space and be a uniformly quasi-accretive map. For arbitrary define the sequence by where is a positve real sequence satisfying the following conditions: (i) ; (ii) . For , assume that and that , where (the set of all positive integers): and is a strictly increasing function with . It is proved that a Mann-type iteration process converges strongly to . Furthermore if, in addition, is a uniformly continuous map, it is proved, without the condition on , that the Mann-type iteration process converges strongly to . As a consequence, corresponding convergence theorems for fixed points of hemi-contractive maps are proved. |
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Keywords: | Bounded operators nonexpansive retraction uniformly accretive maps uniformly pseudocontractive maps uniformly smooth Banach spaces |
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