نتایج جستجو برای: weak contraction

تعداد نتایج: 198417  

2011
K. JHA M. ABBAS I. BEG R. P. PANT M. IMDAD

The aim of the present paper is to establish a common fixed point theorem for sequence of self mappings under (φ, ψ)-weak contractions in fuzzy metric space employing the control function which generalizes and improves various well-known comparable results.

2014
Wasfi Shatanawi Mihai Postolache Yonghong Yao

and Applied Analysis 3 Proposition 2.5. Let X,G be a G-metric space. Then the following statements are equivalent. 1 The sequence {xn} is G-Cauchy. 2 For every ε > 0, there is k ∈ N such that G xn, xm, xm < ε, for all n,m ≥ k. Definition 2.6. A G-metric space X,G is called G-complete if every G-Cauchy sequence in X,G is G-convergent in X,G . Proposition 2.7. Let X,G be a G-metric space. Then, f...

K. El-Saady

The purpose of this paper is to construct a weak hyper semi-quantale as a generalization of the concept of semi-quantale and used it as an appropriate hyperlattice-theoretic basis to formulate new lattice-valued topological theories. Based on such weak hyper semi-quantale, we aim to construct the notion of a weak hypervalued-topology as a generalized form of the so-called lattice-valued t...

2011
Ghader Jalilzadeh-Amin Massoud Maham Bahram Dalir-Naghadeh Farshad Kheiri

Bunium persicum (Boiss.) is an economically important medicinal plant growing wild in arid regions in Iran. The essential oil of B. persicum (EOBP) was extracted using hydrodistillation. A total of eighteen compounds, representing 96.14 % of the oil was identified by gas chromatography/mass spectrometry (GC/MS).The main compounds were cuminaldehyde (23.04 %), gamma-terpinene (14.48 %), trans-3-...

Journal: :Journal of applied physiology 2010
Junichi Ushiyama Yuji Takahashi Junichi Ushiba

It has been well documented that the 15- to 35-Hz oscillatory activity of the sensorimotor cortex shows coherence with the muscle activity during weak to moderate steady contraction. To investigate the muscle dependency of the corticomuscular coherence and its training-related alterations, we quantified the coherence between electroencephalogram (EEG) from the sensorimotor cortex and rectified ...

2011
Claus Nissen Birgit Sander Henrik Lund-Andersen

PURPOSE To evaluate the influence of the size of the light exposed pupil in one eye on the pupillary light reflex of the other eye. METHOD Using a monochromatic pupillometer, the left eye in each of 10 healthy subjects was exposed to 20 s of monochromatic light of luminance 300 cd/m(2), first red (660 nm) and in a following session, blue (470 nm) light. The consensual pupillary diameter in th...

Journal: :The American journal of physiology 1986
D J Griffiths C E Constantinou R van Mastrigt

Recordings in eight healthy female volunteers of bladder (detrusor) pressure and flow rate, obtained during bladder filling and during voiding, both through the urethra and through a catheter, demonstrate that a model of bladder function in which the detrusor muscle is considered as completely passive during filling and fully activated during voiding is inadequate. Assessment of the detrusor co...

Journal: :Journal of applied physiology 2011
Junichi Ushiyama Masanori Katsu Yoshihisa Masakado Akio Kimura Meigen Liu Junichi Ushiba

Oscillatory activity of the sensorimotor cortex shows coherence with muscle activity within the 15- to 35-Hz frequency band (β-band) during weak to moderate sustained isometric contraction. We aimed to examine the acute changes in this corticomuscular coupling due to muscle fatigue and its effect on the steadiness of the exerted force. We quantified the coherence between the electroencephalogra...

2005
Roland Martin Karsten Weihe

In this article we will present some problems that have weak symmetries. In contrast to a proper symmetry, a weak symmetry acts only on a subset of the variables and preserves the feasibility state only with respect to a subset of the constraints. Therefore, breaking weak symmetries with standard techniques would lead to a loss of solutions. This article presents also a modelling technique whic...

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