Results 21 to 30 of about 2,643,984 (289)

A Class of Relational Functional Contractions with Applications to Nonlinear Integral Equations

open access: yesMathematics, 2023
In this article, we investigate some fixed-point results under certain functional contractive mappings in a relation metric space. In the process, we utilize more general contraction condition which must be verified for comparative elements only.
Khursheed J. Ansari   +2 more
doaj   +1 more source

Binary Love relations [PDF]

open access: yesClassical and Quantum Gravity, 2016
When in a tight binary, the mutual tidal deformations of neutron stars imprint onto observables, encoding information about their internal structure at supranuclear densities and gravity in the extreme-gravity regime. Gravitational wave observations of their late binary inspiral may serve as a tool to extract the individual tidal deformabilities, but ...
Yagi, Kent, Yunes, Nicolas
openaire   +2 more sources

A Relation-Theoretic Matkowski-Type Theorem in Symmetric Spaces

open access: yesAxioms, 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.
Based Ali   +2 more
doaj   +1 more source

A Near-Optimal Parallel Algorithm for Joining Binary Relations [PDF]

open access: yesLogical Methods in Computer Science, 2022
We present a constant-round algorithm in the massively parallel computation (MPC) model for evaluating a natural join where every input relation has two attributes. Our algorithm achieves a load of $\tilde{O}(m/p^{1/\rho})$ where $m$ is the total size of
Bas Ketsman, Dan Suciu, Yufei Tao
doaj   +1 more source

Relational Contractions Involving Shifting Distance Functions with Applications to Boundary Value Problems

open access: yesAxioms, 2023
This manuscript includes certain results on fixed points under a generalized contraction involving a pair of shifting distance functions in the framework of metric space endowed with a class of transitive relation.
Ebrahem Ateatullah Algehyne   +2 more
doaj   +1 more source

A language hierarchy of binary relations

open access: yesInformation and Computation, 2020
19 pages, 2 figures (Several new examples added)
Tara Brough, Alan J. Cain
openaire   +3 more sources

THE TASK OF SYNTHESIS OF INDIVIDUAL CURRICULUMS IN THE SPACE OF VIRTUAL LEARNING GROUPS

open access: yesСтатистика и экономика, 2016
The approach of educational planning and organization of educational process is offered to provide students the ability to select and adjust trajectories of learning.
Christina A. Denks   +2 more
doaj   +1 more source

Fixed Point Results for a Selected Class of Multi-Valued Mappings under (θ,)-Contractions with an Application

open access: yesMathematics, 2020
In this article, we introduce a relatively new concept of multi-valued ( θ , R ) -contractions and utilize the same to prove some fixed point results for a special class of multi-valued mappings in metric spaces endowed with an amorphous binary ...
Md Hasanuzzaman   +3 more
doaj   +1 more source

X-Ray Binary Luminosity Function Scaling Relations for Local Galaxies Based on Subgalactic Modeling [PDF]

open access: yesAstrophysical Journal Supplement Series, 2019
We present new Chandra constraints on the X-ray luminosity functions (XLFs) of X-ray binary (XRB) populations, as well as their scaling relations, for a sample of 38 nearby galaxies (D = 3.4–29 Mpc).
B. Lehmer   +9 more
semanticscholar   +1 more source

Nonlinear contractions in metric spaces under locally $T$-transitive binary relations [PDF]

open access: yes, 2015
In this paper, we present a variant of Boyd-Wong fixed point theorem in a metric space equipped with a locally T-transitive binary relation, which under universal relation reduces to Boyd-Wong (Proc. Amer. Math. Soc.
A. Alam, M. Imdad
semanticscholar   +1 more source

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