نتایج جستجو برای: weak contraction

تعداد نتایج: 198417  

Journal: :The Journal of Cell Biology 1987
M Ishigami K Kuroda S Hatano

Plasmodial fragments of Physarum polycephalum, excised from anterior regions of a thin-spread plasmodium, contracted-relaxed cyclicly with a period of 3-5 min. The area of the fragments decreased approximately 10% during contraction. In most cases, there was little endoplasmic streaming which indicates that contractions were synchronized throughout the fragment. By both polarized light and fluo...

Journal: :Acta neurobiologiae experimentalis 1993
B Emeryk-Szajewska K Rowińska T Michalska H Strugalska

The single fibre EMG differences during motor axonal stimulation at different firing rates were studied in myasthenic patients: 15 with, and 15 without thymoma. 10 healthy volunteers were also examined. Conventional repetitive stimulation EMG as well as SFEMG during weak voluntary contraction and on 10 and 20Hz stimulation was performed in every patient. The mean jitter in the control group was...

Journal: :Journal of applied physiology 2012
Junichi Ushiyama Yoshihisa Masakado Toshiyuki Fujiwara Tetsuya Tsuji Kimitaka Hase Akio Kimura Meigen Liu Junichi Ushiba

The sensorimotor cortex activity measured by scalp EEG shows coherence with electromyogram (EMG) activity within the 15- to 35-Hz frequency band (β-band) during weak to moderate intensity of isometric voluntary contraction. This coupling is known to change its frequency band to the 35- to 60-Hz band (γ-band) during strong contraction. This study aimed to examine whether such contraction level-r...

Journal: :Optimization Letters 2013
Zaki Chbani Hassan Riahi

In this paper we present the relaxed inertial proximal algorithm for Ky Fan minimax inequalities. Based on Opial lemma, we propose a weak convergence result to a solution of the problem by eliminating in the algorithm (RIPAFAN) the Browder–Halpern’s factor of contraction. We present after, a first result of strong convergence by adding a strong monotonicity condition. Secondly, we eliminate the...

Journal: :Mathematics 2023

In this study, we have new fixed point results for weak contraction mappings in complete and partially ordered b-metric spaces. Our findings expand generalize the of Jachymski Mituku et al many more literature as well. To illustrate our work, present an application on existence uniqueness a nonlinear quadratic integral problem solution. Moreover, open is presented to enable scope future researc...

2013
Leila Gholizadeh S. M. Vaezpour

In this paper, we consider the concept of Ω-distance on a complete, partially ordered G-metric space and prove a fixed point theorem for (ψ, φ)-Weak contraction. Then, we present some applications in integral equations. c ©2013 All rights reserved.

2008
Fabio G. Cozman Teddy Seidenfeld

This paper examines definitions of independence for events and variables in the context of full conditional measures; that is, when conditional probability is a primitive notion and conditioning is allowed on null events. Independence concepts are evaluated with respect to graphoid properties; we show that properties of weak union, contraction and intersection may fail when null events are pres...

Journal: : 2021

Migration processes associated with the outflow of population from single-industry municipalities (monotowns) are becoming one components global demographic changes on territory Russian Federation. One tools to curb contraction in can be strengthening diversification economy monotowns, which should contribute improving quality life population, including through a change structure employment. Th...

2012
Mohammad Al-Khaleel Sharifa Al-Sharif Alaa Awad

In this paper we present some best proximity point theorems for a combination of weak Kannan and Chatterjea nonlinear cyclic contraction and the MT functions in the frameworks of a metric space (X, d), thereby furnishing an optimal approximate solution to the equations of the form Tx = x, where T is a non-self mapping.

Journal: :international journal of nonlinear analysis and applications 0
konrawut khammahawong king mongkut's university of technology thonburi (kmutt), 126 pracha-uthit road, bang mod, thrung khru, bangkok 10140, thailand parinya sa ngiamsunthorn department of mathematics, faculty of science, king mongkut’s university of technology thonburi (kmutt), 126 pracha-uthit road, bang mod, thrung khru, bangkok 10140, thailand. poom kumam king mongkut's university of technology thonburi (kmutt), 126 pracha-uthit road, bang mod, thrung khru, bangkok 10140, thailand

in this paper, we establish and prove the existence of best proximity points for multivalued cyclic $f$- contraction mappings in complete metric spaces. our results improve and extend various results in literature.

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