On the convergence of inexact Newton-like methods under mild differentiability conditions

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摘要

In the present paper, we have introduced an inexact Newton-like algorithm and discussed its semilocal convergence analysis under average Lipschitz condition as well as γ-Lipschitz condition for solving generalized operator equations containing non differentiable operators in Banach spaces. Our results extend and improve some well established results in the context of differentiability of involved operators. As special cases of our results, we re-obtain some well established results for the Newton method and inexact Newton method. We apply our result to solve Fredholm integral equations.

论文关键词:Nonlinear operator equation,Fréchet derivative,Newton–Kantorovich method,Inexact newton’s method and fredholm integral equation

论文评审过程:Received 8 April 2018, Revised 22 January 2019, Accepted 15 April 2019, Available online 30 November 2019, Version of Record 13 December 2019.

论文官网地址:https://doi.org/10.1016/j.amc.2019.124871