Results 101 to 110 of about 11,792,067 (380)

Fixed point theorems for Kannan type mappings

open access: yes, 2017
In this note, we prove some fixed point theorems for Kannan type mappings. We will use the additional conditions as compactness or asymptotic regularity or involutions.
J. Górnicki
semanticscholar   +1 more source

The epithelial barrier theory proposes a comprehensive explanation for the origins of allergic and other chronic noncommunicable diseases

open access: yesFEBS Letters, EarlyView.
Exposure to common noxious agents (1), including allergens, pollutants, and micro‐nanoplastics, can cause epithelial barrier damage (2) in our body's protective linings. This may trigger an immune response to our microbiome (3). The epithelial barrier theory explains how this process can lead to chronic noncommunicable diseases (4) affecting organs ...
Can Zeyneloglu   +17 more
wiley   +1 more source

An Inflationary Fixed Point Operator in XQuery

open access: yes, 2007
We introduce a controlled form of recursion in XQuery, inflationary fixed points, familiar in the context of relational databases. This imposes restrictions on the expressible types of recursion, but we show that inflationary fixed points nevertheless ...
Afanasiev, Loredana   +4 more
core   +4 more sources

An Accelerated Extragradient Method for Solving Pseudomonotone Equilibrium Problems with Applications

open access: yesAxioms, 2020
Several methods have been put forward to solve equilibrium problems, in which the two-step extragradient method is very useful and significant. In this article, we propose a new extragradient-like method to evaluate the numerical solution of the ...
Nopparat Wairojjana   +3 more
doaj   +1 more source

Contractors and fixed points [PDF]

open access: yesColloquium Mathematicum, 1988
The authors, using the theory of contractors of \textit{M. Altman} [Contractors and Contractor Directions: Theory and Applications, New York (1977; Zbl 0363.65045)], prove two general theorems which include results of Altman [op. cit.], \textit{K. B. Reddy} and \textit{P. L. Subrahmanyam} [Pac. J. Math.
S. L. Singh, J. H. M. Whitfield
openaire   +3 more sources

Goodbye flat lymphoma biology

open access: yesFEBS Letters, EarlyView.
Three‐dimensional (3D) biological systems have become key tools in lymphoma research, offering reliable in vitro and ex vivo platforms to explore pathogenesis and support precision medicine. This review highlights current 3D non‐Hodgkin lymphoma models, detailing their features, advantages, and limitations, and provides a broad perspective on future ...
Carla Faria   +3 more
wiley   +1 more source

Some variants of the hybrid extragradient algorithm in Hilbert spaces

open access: yesJournal of Inequalities and Applications
This paper provides convergence analysis of some variants of the hybrid extragradient algorithm (HEA) in Hilbert spaces. We employ the HEA to compute the common solution of the equilibrium problem and split fixed-point problem associated with the finite ...
Yasir Arfat   +4 more
doaj   +1 more source

Discontinuity and Fixed Points

open access: yesJournal of Mathematical Analysis and Applications, 1999
The author gives a fixed point theorem for a self-map of a metric space \((X,d)\) under a contractivity condition which does not force the map to be continuous at the fixed point. He also gives a common fixed point theorem for two self-mappings \(f,g\) which satisfy a contractivity condition and moreover are ``weakly commuting'', i.e. there exists some
openaire   +3 more sources

Bipolar metric spaces and some fixed point theorems

open access: yes, 2016
In this paper we introduce the concept of bipolar metric space as a type of partial distance. We explore the link between metric spaces and bipolar metric spaces, especially in the context of completeness, and prove some extensions of known fixed point ...
A. Mutlu, U. Gürdal
semanticscholar   +1 more source

From omics to AI—mapping the pathogenic pathways in type 2 diabetes

open access: yesFEBS Letters, EarlyView.
Integrating multi‐omics data with AI‐based modelling (unsupervised and supervised machine learning) identify optimal patient clusters, informing AI‐driven accurate risk stratification. Digital twins simulate individual trajectories in real time, guiding precision medicine by matching patients to targeted therapies.
Siobhán O'Sullivan   +2 more
wiley   +1 more source

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