Results 51 to 60 of about 4,176,488 (382)

Fixed points and quasi-equilibrium problems

open access: yesMathematical and Computer Modelling, 2000
The paper is concerned with fixed-point theorems for compact acyclic maps on convex subsets of topological linear spaces. Applications to existence of equilibria and solutions of quasi-variational inequalities are also discussed. This extends, improves, and unifies previous work of, e.g., \textit{M.-P. Chen} and the author [Commun. Appl. Nonlin.
openaire   +3 more sources

Positive solutions of a singular fractional boundary value problem with a fractional boundary condition [PDF]

open access: yesOpuscula Mathematica, 2017
For \(\alpha\in(1,2]\), the singular fractional boundary value problem \[D^{\alpha}_{0^+}x+f\left(t,x,D^{\mu}_{0^+}x\right)=0,\quad 0\lt t\lt 1,\] satisfying the boundary conditions \(x(0)=D^{\beta}_{0^+}x(1)=0\), where \(\beta\in(0,\alpha-1]\), \(\mu\in(
Jeffrey W. Lyons, Jeffrey T. Neugebauer
doaj   +1 more source

occumb: An R package for site occupancy modeling of eDNA metabarcoding data

open access: yesPopulation Ecology, EarlyView.
This study introduces a new R package, occumb, for the convenient application of site occupancy modeling using environmental DNA (eDNA) metabarcoding data. We outline a data analysis workflow, including data setup, model fitting, model assessment, and comparison of potential study settings based on model predictions, all of which can be performed using
Keiichi Fukaya, Yuta Hasebe
wiley   +1 more source

On solutions of inclusion problems and fixed point problems [PDF]

open access: yesFixed Point Theory and Applications, 2013
An inclusion problem and a fixed point problem are investigated based on a hybrid projection method. The strong convergence of the hybrid projection method is obtained in the framework of Hilbert spaces. Variational inequalities and fixed point problems of quasi-nonexpansive mappings are also considered as applications of the main results.
openaire   +2 more sources

Hybrid Iterations for the Fixed Point Problem and Variational Inequalities

open access: yesJournal of Applied Mathematics, 2014
A hybrid iterative algorithm with Meir-Keeler contraction is presented for solving the fixed point problem of the pseudocontractive mappings and the variational inequalities. Strong convergence analysis is given as limn→∞d(STxn,TSxn).
Li-Jun Zhu   +3 more
doaj   +1 more source

Tenth order boundary value problem solution existence by fixed point theorem

open access: yesJournal of Inequalities and Applications, 2020
In this paper we consider the Green function for a boundary value problem of generic order. For a specific case, the Leray–Schauder form of the fixed point theorem has been used to prove the existence of a solution for this particular equation.
Nicola Fabiano   +4 more
doaj   +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

Regular variation in a fixed-point problem for single- and multi-class branching processes and queues [PDF]

open access: yesAdvances in Applied Probability, 2017
Tail asymptotics of the solution R to a fixed-point problem of the type R=DQ+∑1NRm are derived under heavy-tailed conditions allowing both dependence between Q and N and the tails to be of the same order of magnitude.
S. Asmussen, S. Foss
semanticscholar   +1 more source

Mycobacterium tuberculosis sulfurtransferase SseA is activated by its neighboring gene product Rv3284

open access: yesFEBS Letters, EarlyView.
Tuberculosis remains a global health challenge and new therapeutic targets are required. Here, we characterized SseA, a sulfurtransferase from Mycobacterium tuberculosis involved in macrophage infection, and its interaction with the newly identified protein SufEMtb that activates SseA enzymatic activity.
Giulia Di Napoli   +10 more
wiley   +1 more source

The plane fixed point problem

open access: yes, 2008
In this paper we present proofs of basic results, including those developed so far by H. Bell, for the plane fixed point problem. Some of these results had been announced much earlier by Bell but without accessible proofs. We define the concept of the variation of a map on a simple closed curve and relate it to the index of the map on that curve: Index
Fokkink, Robbert J.   +3 more
openaire   +2 more sources

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