Existence and Approximation of Fixed Points of Enriched <i>φ</i>-Contractions in Banach Spaces

We introduce the class of enriched <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>φ</mi></semantics></math></inline-formula>-contractions in Banach spaces as a natural generalization...

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Main Authors: Vasile Berinde, Jackie Harjani, Kishin Sadarangani
Format: Article
Language:English
Published: MDPI AG 2022-11-01
Series:Mathematics
Subjects:
Online Access:https://www.mdpi.com/2227-7390/10/21/4138
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author Vasile Berinde
Jackie Harjani
Kishin Sadarangani
author_facet Vasile Berinde
Jackie Harjani
Kishin Sadarangani
author_sort Vasile Berinde
collection DOAJ
description We introduce the class of enriched <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>φ</mi></semantics></math></inline-formula>-contractions in Banach spaces as a natural generalization of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>φ</mi></semantics></math></inline-formula>-contractions and study the existence and approximation of the fixed points of mappings in this new class, which is shown to be an unsaturated class of mappings in the setting of a Banach space. We illustrated the usefulness of our fixed point results by studying the existence and uniqueness of the solutions of some second order <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mo>(</mo><mi>p</mi><mo>,</mo><mi>q</mi><mo>)</mo></mrow></semantics></math></inline-formula>-difference equations with integral boundary value conditions.
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spelling doaj.art-f885f24e5cb84ea7a766ddf095933ee92023-11-24T05:45:29ZengMDPI AGMathematics2227-73902022-11-011021413810.3390/math10214138Existence and Approximation of Fixed Points of Enriched <i>φ</i>-Contractions in Banach SpacesVasile Berinde0Jackie Harjani1Kishin Sadarangani2Department of Mathematics and Computer Science, Technical University of Baia Mare, North University Center at Baia Mare, 430122 Baia Mare, RomaniaDepartment of Mathematics, Universidad de Las Palmas de Gran Canaria, 35017 Las Palmas de Gran Canaria, SpainDepartment of Mathematics, Universidad de Las Palmas de Gran Canaria, 35017 Las Palmas de Gran Canaria, SpainWe introduce the class of enriched <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>φ</mi></semantics></math></inline-formula>-contractions in Banach spaces as a natural generalization of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>φ</mi></semantics></math></inline-formula>-contractions and study the existence and approximation of the fixed points of mappings in this new class, which is shown to be an unsaturated class of mappings in the setting of a Banach space. We illustrated the usefulness of our fixed point results by studying the existence and uniqueness of the solutions of some second order <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mo>(</mo><mi>p</mi><mo>,</mo><mi>q</mi><mo>)</mo></mrow></semantics></math></inline-formula>-difference equations with integral boundary value conditions.https://www.mdpi.com/2227-7390/10/21/4138Banach spaceenriched <i>φ</i>-contractionenriched cyclic <i>φ</i>-contractionfixed pointMaia type fixed point theorem(<i>p</i>,<i>q</i>)-difference equation
spellingShingle Vasile Berinde
Jackie Harjani
Kishin Sadarangani
Existence and Approximation of Fixed Points of Enriched <i>φ</i>-Contractions in Banach Spaces
Mathematics
Banach space
enriched <i>φ</i>-contraction
enriched cyclic <i>φ</i>-contraction
fixed point
Maia type fixed point theorem
(<i>p</i>,<i>q</i>)-difference equation
title Existence and Approximation of Fixed Points of Enriched <i>φ</i>-Contractions in Banach Spaces
title_full Existence and Approximation of Fixed Points of Enriched <i>φ</i>-Contractions in Banach Spaces
title_fullStr Existence and Approximation of Fixed Points of Enriched <i>φ</i>-Contractions in Banach Spaces
title_full_unstemmed Existence and Approximation of Fixed Points of Enriched <i>φ</i>-Contractions in Banach Spaces
title_short Existence and Approximation of Fixed Points of Enriched <i>φ</i>-Contractions in Banach Spaces
title_sort existence and approximation of fixed points of enriched i φ i contractions in banach spaces
topic Banach space
enriched <i>φ</i>-contraction
enriched cyclic <i>φ</i>-contraction
fixed point
Maia type fixed point theorem
(<i>p</i>,<i>q</i>)-difference equation
url https://www.mdpi.com/2227-7390/10/21/4138
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AT jackieharjani existenceandapproximationoffixedpointsofenrichediphicontractionsinbanachspaces
AT kishinsadarangani existenceandapproximationoffixedpointsofenrichediphicontractionsinbanachspaces