Search Results - set functions with values in a partially ordered space
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Integrals for functions with values in a partially ordered vector space
ISSN: 2331-8422Published: Ithaca Cornell University Library, arXiv.org 22.05.2015Published in arXiv.org (22.05.2015)“…We consider integration of functions with values in a partially ordered vector space, and two notions of extension of the space of integrable functions…”
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Integrals for functions with values in a partially ordered vector space
ISSN: 1385-1292, 1572-9281Published: Cham Springer International Publishing 01.12.2016Published in Positivity : an international journal devoted to the theory and applications of positivity in analysis (01.12.2016)“…We consider integration of functions with values in a partially ordered vector space, and two notions of extension of the space of integrable functions…”
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Extension constructions of quasi-overlap functions and their derivative concepts on function spaces
ISSN: 0888-613X, 1873-4731Published: Elsevier Inc 01.01.2023Published in International journal of approximate reasoning (01.01.2023)“… In this paper, we pay attention to the extension constructions of quasi-overlap functions and their derivative concepts on function spaces with bounded partially ordered sets as underlying sets…”
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Optimal Recovery of Monotone Operators in Partially Ordered L-Spaces
ISSN: 0163-0563, 1532-2467Published: Abingdon Taylor & Francis 17.08.2020Published in Numerical functional analysis and optimization (17.08.2020)“… The results of this work allow us to include the operators that act on the spaces of multi- and fuzzy- valued functions, as well as on the spaces of functions with values in partially ordered normed spaces…”
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A new contraction mapping principle in partially ordered metric spaces and applications to ordinary differential equations
ISSN: 1687-1812, 1687-1820, 1687-1812, 2730-5422Published: Cham Springer International Publishing 18.09.2012Published in Fixed point theory and algorithms for sciences and engineering (18.09.2012)“…The aim of this paper is to extend the results of Harjani and Sadarangani and some other authors and to prove a new fixed point theorem of a contraction mapping in a complete metric space endowed…”
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Set-Valued Evenly Convex Functions: Characterizations and C-Conjugacy
ISSN: 1877-0533, 1877-0541Published: Dordrecht Springer Netherlands 01.09.2022Published in Set-valued and variational analysis (01.09.2022)“…In this work we deal with set-valued functions with values in the power set of a separated locally convex space where a nontrivial pointed convex cone induces a partial order relation…”
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Three-way decisions based on bipolar-valued fuzzy sets over three-way decision spaces
ISSN: 0020-0255Published: 01.01.2024Published in Information sciences (01.01.2024)Get full text
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A generalized weak contraction principle with applications to coupled coincidence point problems
ISSN: 1687-1812, 1687-1812Published: Cham Springer International Publishing 11.06.2013Published in Fixed point theory and applications (Hindawi Publishing Corporation) (11.06.2013)“…In this paper we establish some coincidence point results for generalized weak contractions with discontinuous control functions…”
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New Fixed Point Theorems and Application of Mixed Monotone Mappings in Partially Ordered Metric Spaces
ISSN: 2314-8896, 2314-8888Published: Cairo, Egypt Hindawi Publishing Corporation 01.01.2018Published in Journal of function spaces (01.01.2018)“…We consider the existence of a coupled fixed point for mixed monotone mapping F:X×X→X satisfying a new contractive inequality which involves an altering distance function in partially ordered metric spaces…”
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The uniqueness of the best non-symmetric $L_1$-approximant with a weight for continuous functions with values in KB-space
ISSN: 2664-4991, 2664-5009Published: Oles Honchar Dnipro National University 23.07.2019Published in Researches in mathematics (Online) (23.07.2019)“…$ with values in strictly convex partially ordered KB-space $X$ by subspaces of space $C(Q, X)$ of continuous functions…”
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Pareto efficiency for vector-valued functions which are lower semi-continuous in the sense of Penot and Théra
ISSN: 0233-1934, 1029-4945Published: 19.11.2025Published in Optimization (19.11.2025)Get full text
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Generalized Weak Contractions Involving a Pair of Auxiliary Functions via Locally Transitive Binary Relations and Applications to Boundary Value Problems
ISSN: 2227-7390, 2227-7390Published: Basel MDPI AG 01.01.2025Published in Mathematics (Basel) (01.01.2025)“…The intent of this paper was to investigate the fixed-point results under relation-theoretic generalized weak contractivity condition employing a pair of auxiliary functions ϕ and ψ…”
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Contraction mapping principle with generalized altering distance function in ordered metric spaces and applications to ordinary differential equations
ISSN: 1687-1812, 1687-1812, 2730-5422Published: Cham Springer International Publishing 03.11.2014Published in Fixed point theory and algorithms for sciences and engineering (03.11.2014)“… (Fixed Point Theory Appl. 2012:152, 2012) and some others, and to prove a new fixed point theorem of generalized contraction mappings in a complete metric space endowed with a partial order by using generalized altering distance functions…”
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A new concept of semistrict quasiconvexity for vector functions
ISSN: 0233-1934, 1029-4945Published: Taylor & Francis 26.10.2025Published in Optimization (26.10.2025)“…We establish a new concept of semistrict quasiconvexity for vector functions defined on a nonempty convex set in a real linear space X that take values in some real topological linear space Y…”
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Relation‐Theoretic Contraction via a Triplet of Auxiliary Functions and an Application to Ordinary Differential Equations
ISSN: 2314-8896, 2314-8888Published: New York John Wiley & Sons, Inc 01.01.2025Published in Journal of function spaces (01.01.2025)“…In this manuscript, we establish some results on fixed points by using a triplet of auxiliary functions endowed with a locally…”
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On Solution of Boundary Value Problems via Weak Contractions
ISSN: 2314-8896, 2314-8888Published: New York Hindawi 2022Published in Journal of function spaces (2022)“… As an application, we solve a periodic boundary value problem and validate all assertions with the help of nontrivial examples…”
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Applications of generalized fixed points theorems to the existence of uncertainly hyperbolic partial differential equations with finite delay
ISSN: 2238-3603, 1807-0302Published: Cham Springer International Publishing 01.06.2022Published in Computational & applied mathematics (01.06.2022)“… We establish a more general definition of integral solutions for the boundary value problem and, using some results of fixed point of weakly contractive mappings on partially ordered metric spaces…”
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Existence of Solutions for a Periodic Boundary Value Problem via Generalized Weakly Contractions
ISSN: 1085-3375, 1687-0409Published: Cairo, Egypt Hindawi Limiteds 01.01.2013Published in Abstract and Applied Analysis (01.01.2013)“… polynomials. For this purpose, we present some fixed point theorems for weakly and generalized weakly contractive mappings in the setting of partially ordered complete metric spaces…”
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A Relation-Theoretic Matkowski-Type Theorem in Symmetric Spaces
ISSN: 2075-1680, 2075-1680Published: Basel MDPI AG 2021Published in Axioms (2021)“…In this paper, we present a fixed-point theorem in R-complete regular symmetric spaces endowed with a locally T-transitive binary relation R using comparison functions that generalizes several relevant existing results…”
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Common fixed points of α∗-ψ-contractive without order closed multi-valued mappings
ISSN: 0971-3611, 2367-2501Published: Singapore Springer Singapore 01.09.2021Published in The Journal of Analysis (01.09.2021)“… In this paper, we introduce the notion of α ∗ - ψ -contractive and weakly increasing without order closed multi-valued mappings on ordered metric spaces with application…”
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