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https://idr.l2.nitk.ac.in/jspui/handle/123456789/10979
Title: | Cubic convergence order yielding iterative regularization methods for ill-posed Hammerstein type operator equations |
Authors: | Argyros, I.K. George, S. Monnanda, Erappa, S. |
Issue Date: | 2017 |
Citation: | Rendiconti del Circolo Matematico di Palermo, 2017, Vol.66, 3, pp.303-323 |
Abstract: | For the solution of nonlinear ill-posed problems, a Two Step Newton-Tikhonov methodology is proposed. Two implementations are discussed and applied to nonlinear ill-posed Hammerstein type operator equations KF(x) = y, where K defines the integral operator and F the function of the solution x on which K operates. In the first case, the Fre chet derivative of F is invertible in a neighbourhood which includes the initial guess x0 and the solution x^. In the second case, F is monotone. For both cases, local cubic convergence is established and order optimal error bounds are obtained by choosing the regularization parameter according to the the balancing principle of Pereverzev and Schock (2005).We also present the results of computational experiments giving the evidence of the reliability of our approach. 2016, Springer-Verlag Italia. |
URI: | http://idr.nitk.ac.in/jspui/handle/123456789/10979 |
Appears in Collections: | 1. Journal Articles |
Files in This Item:
File | Description | Size | Format | |
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38.Cubic convergence order.pdf | 698.32 kB | Adobe PDF | View/Open |
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