Results 11 to 20 of about 2,131 (145)

On the fixed points of nonexpansive mappings in direct sums of Banach spaces [PDF]

open access: yes, 2011
We show that if a Banach space X has the weak fixed point property for nonexpansive mappings and Y has the generalized Gossez-Lami Dozo property or is uniformly convex in every direction, then the direct sum of X and Y with a strictly monotone norm has ...
Wiśnicki, Andrzej
core   +1 more source

Strong and weak convergence of Ishikawa iterations for best proximity pairs

open access: yesOpen Mathematics, 2020
Let A and B be nonempty subsets of a normed linear space X. A mapping T : A ∪ B → A ∪ B is said to be a noncyclic relatively nonexpansive mapping if T(A) ⊆ A, T(B) ⊆ B and ∥Tx − Ty∥ ≤ ∥x − y∥ for all (x, y) ∈ A × B.
Gabeleh Moosa   +3 more
doaj   +1 more source

Mann-Dotson's algorithm for a countable family of non-self Lipschitz mappings in hyperbolic metric space

open access: yesTopological Algebra and its Applications, 2023
The aim of this article is to present some Δ\Delta -convergence and strong convergence results for a countable family of non-self mappings. More precisely, we employ Mann-Dotson’s algorithm to approximate, common fixed points of a countable family of non-
Patel Prashant, Shukla Rahul
doaj   +1 more source

Global optimum solutions for a system of (k, ψ)-Hilfer fractional differential equations: Best proximity point approach

open access: yesDemonstratio Mathematica, 2023
In this article, a class of cyclic (noncyclic) operators are defined on Banach spaces via concept of measure of noncompactness using some abstract functions. The best proximity point (pair) results are manifested for the said operators. The obtained main
Patle Pradip Ramesh   +2 more
doaj   +1 more source

On θ-generalized demimetric mappings and monotone operators in Hadamard spaces

open access: yesDemonstratio Mathematica, 2020
Our main interest in this article is to introduce and study the class of θ-generalized demimetric mappings in Hadamard spaces. Also, a Halpern-type proximal point algorithm comprising this class of mappings and resolvents of monotone operators is ...
Ogwo Grace N.   +3 more
doaj   +1 more source

On split feasibility problem for finite families of equilibrium and fixed point problems in Banach spaces

open access: yesDemonstratio Mathematica, 2022
In this article, motivated by the works of Ali Akbar and Elahe Shahrosvand [Split equality common null point problem for Bregman quasi-nonexpansive mappings, Filomat 32 (2018), no. 11, 3917–3932], Eskandani et al.
Abass Hammed A.   +4 more
doaj   +1 more source

Convergence of two‐step iterative scheme with errors for two asymptotically nonexpansive mappings

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 2004, Issue 37, Page 1965-1971, 2004., 2004
A two‐step iterative scheme with errors has been studied to approximate the common fixed points of two asymptotically nonexpansive mappings through weak and strong convergence in Banach spaces.
Hafiz Fukhar-ud-din, Safeer Hussain Khan
wiley   +1 more source

Equivalence of the existence of best proximity points and best proximity pairs for cyclic and noncyclic nonexpansive mappings

open access: yesDemonstratio Mathematica, 2020
In this study, at first we prove that the existence of best proximity points for cyclic nonexpansive mappings is equivalent to the existence of best proximity pairs for noncyclic nonexpansive mappings in the setting of ...
Gabeleh Moosa, Künzi Hans-Peter A.
doaj   +1 more source

A new result on Branciari metric space using (α, γ)-contractive mappings

open access: yesTopological Algebra and its Applications, 2022
In this work, a new common fixed point result by generalized contractive functions fulfilling the type of admissibility condition in a Hausdorff Branciari metric space with the support of C-functions, was obtained.
Patil Jayashree   +4 more
doaj   +1 more source

Fixed‐point iteration processes for non‐Lipschitzian mappings of asymptotically quasi‐nonexpansive type

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 2003, Issue 33, Page 2075-2081, 2003., 2003
We study convergences of Mann and Ishikawa iteration processes for mappings of asymptotically quasi‐nonexpansive type in Banach spaces.
Daya Ram Sahu, Jong Soo Jung
wiley   +1 more source

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