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Approximation of fixed points and fractal functions by means of different iterative algorithms

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  • Navascués, M.A.

Abstract

Banach’s contraction principle is a fundamental result in pure and applied mathematics, and all the fields of physics. In this paper a new type of contraction, called in the text partial contractivity, is presented in the framework of b-metric spaces (an extension of the usual metric spaces). The new mappings generalize the classical Banach contractions, that appear as a particular case. The properties of the new self-maps are studied, giving sufficient conditions for the existence and uniqueness of their fixed points. Afterwords three different iterative algorithms for the approximation of critical points (Picard, Ishikawa and Karakaya) are considered, concerning their convergence and stability. These findings are applied to the approximation of fractal functions, coming from contractive and non-contractive operators.

Suggested Citation

  • Navascués, M.A., 2024. "Approximation of fixed points and fractal functions by means of different iterative algorithms," Chaos, Solitons & Fractals, Elsevier, vol. 180(C).
    • Handle: RePEc:eee:chsofr:v:180:y:2024:i:c:s0960077924000869
    DOI: 10.1016/j.chaos.2024.114535
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