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Fixed Point Theory最新文献

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Applications of fibre contraction principle to some classes of functional integral equations 纤维收缩原理在几类泛函积分方程中的应用
IF 1.1 4区 数学
Fixed Point Theory Pub Date : 2022-01-02 DOI: 10.24193/fpt-ro.2022.1.18
V. Ilea, D. Otrocol, I. Rus, M. Serban
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引用次数: 1
Generalized metric spaces and some related fixed point theorems 广义度量空间及其不动点定理
IF 1.1 4区 数学
Fixed Point Theory Pub Date : 2022-01-02 DOI: 10.24193/fpt-ro.2022.1.03
Abderrahim El Adraoui, M. Kabil, S. Lazaiz
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引用次数: 1
Existence and approximation of fixed points of λ-hybrid mappings in complete CAT(0) spaces 完备CAT（0）空间中λ-混合映射不动点的存在性和逼近性
IF 1.1 4区 数学
Fixed Point Theory Pub Date : 2021-07-01 DOI: 10.24193/fpt-ro.2021.2.47
M. Khoshhal, D. E. Bagha
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引用次数: 0
Mann iterative algorithm in convex metric spaces endowed with a directed graph 具有有向图的凸度量空间中的Mann迭代算法
IF 1.1 4区 数学
Fixed Point Theory Pub Date : 2021-07-01 DOI: 10.24193/fpt-ro.2021.2.37
Lili Chen, N. Yang, Yanfeng Zhao
{"title":"Mann iterative algorithm in convex metric spaces endowed with a directed graph","authors":"Lili Chen, N. Yang, Yanfeng Zhao","doi":"10.24193/fpt-ro.2021.2.37","DOIUrl":"https://doi.org/10.24193/fpt-ro.2021.2.37","url":null,"abstract":"","PeriodicalId":51051,"journal":{"name":"Fixed Point Theory","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47953697","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Positive solutions of nonlinear third-order boundary value problems involving Stieltjes integral conditions 涉及Stieltjes积分条件的非线性三阶边值问题的正解
IF 1.1 4区 数学
Fixed Point Theory Pub Date : 2021-07-01 DOI: 10.24193/fpt-ro.2021.2.61
Liu Yang, Hui Zhou, Chunfang Shen
{"title":"Positive solutions of nonlinear third-order boundary value problems involving Stieltjes integral conditions","authors":"Liu Yang, Hui Zhou, Chunfang Shen","doi":"10.24193/fpt-ro.2021.2.61","DOIUrl":"https://doi.org/10.24193/fpt-ro.2021.2.61","url":null,"abstract":"Authors’ abstract: In this paper, by using the Guo-Krasnoselskii theorem, we investigate the existence and nonexistence of positive solutions of a class of boundary value problem of third-order nonlinear differential equation involving Stieltjes integral conditions. Under some growth conditions imposed on the nonlinear term, we obtain explicit ranges of values of parameters with which the problem has a positive solution and has no positive solution respectively. An example is given to illustrate the main results of the paper.","PeriodicalId":51051,"journal":{"name":"Fixed Point Theory","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46063069","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Decay estimates for two-term time fractional differential equations with infinite delays 具有无限延迟的两项时间分数阶微分方程的衰减估计
IF 1.1 4区 数学
Fixed Point Theory Pub Date : 2021-07-01 DOI: 10.24193/fpt-ro.2021.2.48
D. Loi, V. Luong, N. T. Tung
{"title":"Decay estimates for two-term time fractional differential equations with infinite delays","authors":"D. Loi, V. Luong, N. T. Tung","doi":"10.24193/fpt-ro.2021.2.48","DOIUrl":"https://doi.org/10.24193/fpt-ro.2021.2.48","url":null,"abstract":"In this paper, nonlinear differential evolution equations of fractional order in Banach spaces involving unbounded delays are investigated. We aim to prove the existence of mild solutions and demonstrate its polynomial decay by the fixed point principle for condensing maps. An example of the application of abstract results is given for illustration.","PeriodicalId":51051,"journal":{"name":"Fixed Point Theory","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47912146","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Surjectivity results for nonlinear weakly sequentially continuous operators and applications 非线性弱序列连续算子的满射性结果及其应用
IF 1.1 4区 数学
Fixed Point Theory Pub Date : 2021-07-01 DOI: 10.24193/fpt-ro.2021.2.32
A. Amar, Hajer Garbout, D. O’Regan
{"title":"Surjectivity results for nonlinear weakly sequentially continuous operators and applications","authors":"A. Amar, Hajer Garbout, D. O’Regan","doi":"10.24193/fpt-ro.2021.2.32","DOIUrl":"https://doi.org/10.24193/fpt-ro.2021.2.32","url":null,"abstract":"","PeriodicalId":51051,"journal":{"name":"Fixed Point Theory","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46900374","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Geometrical properties of lp spaces lp空间的几何性质
IF 1.1 4区 数学
Fixed Point Theory Pub Date : 2021-07-01 DOI: 10.24193/fpt-ro.2021.2.57
S. Shukri
{"title":"Geometrical properties of lp spaces","authors":"S. Shukri","doi":"10.24193/fpt-ro.2021.2.57","DOIUrl":"https://doi.org/10.24193/fpt-ro.2021.2.57","url":null,"abstract":"","PeriodicalId":51051,"journal":{"name":"Fixed Point Theory","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48513377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Essential weakly Mönch type maps and continuation theory 本质弱Mönch类型映射与延拓理论
IF 1.1 4区 数学
Fixed Point Theory Pub Date : 2021-07-01 DOI: 10.24193/fpt-ro.2021.2.50
D. O’Regan
{"title":"Essential weakly Mönch type maps and continuation theory","authors":"D. O’Regan","doi":"10.24193/fpt-ro.2021.2.50","DOIUrl":"https://doi.org/10.24193/fpt-ro.2021.2.50","url":null,"abstract":"In this paper we present a variety of Leray–Schauder type continuation theorems for general classes of weakly Mönch type maps.","PeriodicalId":51051,"journal":{"name":"Fixed Point Theory","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46198765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Solution to second order differential equations via Fw-contractions 二阶微分方程的Fw压缩解法
IF 1.1 4区 数学
Fixed Point Theory Pub Date : 2021-07-01 DOI: 10.24193/fpt-ro.2021.2.46
S. Karmakar, Hiranmoy Garai, L. Dey, A. Chanda
{"title":"Solution to second order differential equations via Fw-contractions","authors":"S. Karmakar, Hiranmoy Garai, L. Dey, A. Chanda","doi":"10.24193/fpt-ro.2021.2.46","DOIUrl":"https://doi.org/10.24193/fpt-ro.2021.2.46","url":null,"abstract":". In this article, we introduce the notions of F -contractions and Hardy-Rogers type F - contractions via w -distances in the backdrop of an orthogonal metric space. After this, we prove some fixed point results concerning the said kind of contractions by taking a weaker version of completeness of the underlying space instead of completeness. Further, we employ the results to obtain some existence and uniqueness criteria of the solution(s) to a certain type of second order initial value and boundary value problems. Along with these, we illustrate some numerical examples to interpret our achieved fixed point results.","PeriodicalId":51051,"journal":{"name":"Fixed Point Theory","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42596181","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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