Results 21 to 30 of about 6,773 (45)

Global Wilson–Fisher fixed points

open access: yesNuclear Physics B, 2017
The Wilson–Fisher fixed point with O(N) universality in three dimensions is studied using the renormalisation group. It is shown how a combination of analytical and numerical techniques determine global fixed points to leading order in the derivative ...
Andreas Jüttner   +2 more
doaj   +1 more source

Results on common fixed points

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2001
We establish common fixed point theorems related with families of self mappings on metric spaces. Our results extend, improve, and unify the results due to Fisher (1977, 1978, 1979, 1981, 1984), Jungck (1988), and Ohta and Nikaido (1994).
Zeqing Liu, Jeong Sheok Ume
doaj   +1 more source

On characterizations of fixed points

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2001
We give some necessary and sufficient conditions for the existence of fixed points of a family of self mappings of a metric space and we establish an equivalent condition for the existence of fixed points of a continuous compact mapping of a metric space.
Zeqing Liu, Lili Zhang, Shin Min Kang
doaj   +1 more source

Fixed points and integral inclusions

open access: yesJournal of Numerical Analysis and Approximation Theory, 2006
The aim of this paper is to present, as applications of some fixed point theorems, existence results for integral equations and inclusions.
Adrian Petruşel
doaj   +2 more sources

An Extended Kannan Contraction Mapping and Applications [PDF]

open access: yesInternational Journal of Mathematical, Engineering and Management Sciences
We extend the Kannan contraction principle and obtain a result that holds for both contractive and non-expansive mappings. Such mappings admit multiple fixed-points and the fixed-point sets and domains of these mappings display interesting algebraic ...
R. P. Pant
doaj   +1 more source

On common fixed points, periodic points, and recurrent points of continuous functions

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2003
It is known that two commuting continuous functions on an interval need not have a common fixed point. However, it is not known if such two functions have a common periodic point.
Aliasghar Alikhani-Koopaei
doaj   +1 more source

Algorithmic Approach to the Equilibrium Points and Fixed Points

open access: yesAbstract and Applied Analysis, 2014
The equilibrium and fixed point problems are considered. An iterative algorithm is presented. Convergence analysis of the algorithm is provided.
Lijin Guo   +2 more
doaj   +1 more source

Common fixed points for family of mappings

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1984
The main aim of the present paper is to prove the existence of common fixed points for mappings which are not necessarily continuous. Our results, which are primarly motivated by investigation of Husain and Sehgal (Bull. Austral. Math. Soc.
D. E. Anderson   +2 more
doaj   +1 more source

Fixed points in countably Hilbert spaces

open access: yesJournal of Inequalities and Applications, 2016
Studying fixed points of nonlinear mappings in Hilbert spaces is of paramount importance (see, e.g., (Browder and Petryshyn in J. Math. Anal. Appl. 20:197-228, 1967)).
Nashat Faried, Hany A El-Sharkawy
doaj   +1 more source

Fixed Points Results in G-Metric Spaces

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences, 2019
  In this paper, the concept of contraction mapping on a -metric space is extended with a consideration on local contraction.  As a result, two fixed point theorems were proved for contraction on a closed ball in a complete -metric space.
Salwa Salman Abed, Anaam Neamah Faraj
doaj   +1 more source

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