Results 91 to 100 of about 200,688 (282)

Coupled fixed point results for nonlinear integral equations [PDF]

open access: yes, 2013
In this paper, we prove some coupled coincidence point theorems for such nonlinear contraction mappings having a mixed monotone property in partially ordered metric spaces by dropping the condition of commutative. We also prove coupled common fixed point
Kumam, Poom, Sintunavarat, Wutiphol
core   +1 more source

A Note on 'coupled Fixed Point Theorems for Mixed g-monotone Mappings in Partially Ordered Metric Spaces' [PDF]

open access: yes, 2014
KARAPINAR, ERDAL/0000-0002-6798-3254; ERHAN, INCI M./0000-0001-6042-3695Recently, some (common) coupled fixed theorems in various abstract spaces have appeared as a generalization of existing (usual) fixed point results.
Bilgili, Nurcan   +5 more
core   +4 more sources

Coupled Coincidence and Common Fixed Point Theorems in Menger PM Spaces

open access: yesInternational Journal of Applied Mathematical Research, 2012
Recently Many results on coupled xed point theory exist in the literature, for more de-tails, one can see in [2,11,22]. We established coupled coincidence and common xed point theoremsfor two self mixed g-monotone mappings in the settings of Menger PM-spaces.
Drdeepak Singh   +2 more
openaire   +1 more source

Common coupled fixed point theorems on cone b-metric-like space

open access: yesIOP Conference Series: Materials Science and Engineering, 2020
Abstract In this paper, cone b-metric-like space is an extension of cone metric space, b-metric space and metric-like space. In this space, two functions have an unique common couple fixed point if they are w-compatible. Some examples are given to explain these new results.
Changchun Wang   +4 more
openaire   +1 more source

Degradation mechanism of the von Willebrand factor A2 domain by nattokinase

open access: yesFEBS Letters, EarlyView.
Nattokinase, a natto‐derived protease, exhibits potent antithrombotic effects. This study demonstrates that nattokinase directly cleaves the von Willebrand factor (vWF) A2 domain in vitro. Unlike the native regulator ADAMTS13, nattokinase degrades folded vWF independently of shear stress.
Ryuichi Hyakumoto   +3 more
wiley   +1 more source

Common coupled fixed point theorems for contractive mappings in fuzzy metric spaces [PDF]

open access: yes, 2015
The purpose of this paper is to give some new fixed point theorems for contractive  type mappings in fuzzy metric spaces. The results presented improve and generalize some recent result.
Agrawal, V.K., Modi, Geeta, Soni, Ajay
core   +1 more source

Existence and Uniqueness of Common Coupled Fixed Point Results Via Auxiliary Functions [PDF]

open access: yes, 2014
The purpose of this paper is to establish some coupled coincidence point theorems for mappings having a mixed g-monotone property in partially ordered metric spaces. Also, we present a result on the existence and uniqueness of coupled common fixed points.
Karapinar,E.   +3 more
core   +2 more sources

Modulation of Homer1 EVH1 domain internal dynamics by putative autism‐associated mutations

open access: yesFEBS Letters, EarlyView.
The putative autism‐associated M65I and S97L variants of the EVH1 domain of the postsynaptic scaffold protein Homer1 do not exhibit substantial changes in their overall structure or partner binding. Both of them, but especially the M65I variant, show altered internal dynamics relative to the wild‐type domain on the μs‐ms timescale, indicated by the ...
Fanni Farkas   +6 more
wiley   +1 more source

An unexpected alternative viologen electron mediator site in tungsten‐containing formate dehydrogenase

open access: yesFEBS Letters, EarlyView.
An unexpected alternative interaction site for ethyl viologen was identified in formate dehydrogenase 1 from Methylorubrum extorquens. Combined mutagenesis, kinetic analysis, and docking revealed that aromatic residues near an iron–sulfur cluster enable flavin mononucleotide‐independent electron transfer, offering a framework for engineering improved ...
Eleni G. Poloniataki, Yong Hwan Kim
wiley   +1 more source

A Common Coupled Fixed Point Theorem in Complex Valued Metric Space

open access: yesInternational Journal of Computer Applications, 2015
The aim of this paper is to establish a unique common coupled fixed point theorem for two mappings satisfying a rational inequality in complex valued metric space.
Nawneet Hooda, Savitri Savitri
openaire   +1 more source

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