نتایج جستجو برای: cyclic varphi contraction
تعداد نتایج: 155660 فیلتر نتایج به سال:
In this paper, we introduce two new concepts of Feng-Liu type multivalued contraction mapping and cyclic mapping. Then, obtain some best proximity point results for such mappings on partial metric spaces by considering Feng-Liu's technique. Finally, provide examples to show the effectiveness our results.
Let $(X, \omega)$ be a compact Kahler manifold of complex dimension n and $\theta$ smooth closed real $(1,1)$-form on $X$ such that its cohomology class $\{ \theta \}\in H^{1,1}(X, \mathbb{R})$ is pseudoeffective. $\varphi$ $\theta$-psh function, let $f$ continuous function with bounded distributional laplacian respect to $\omega$ $\varphi \leq f. $ Then the non-pluripolar measure $\theta_\va...
Generalizing the notion of character amenability for Banach algebras, we study the concept of $varphi$-Connes amenability of a dual Banach algebra $mathcal{A}$ with predual $mathcal{A}_*$, where $varphi$ is a homomorphism from $mathcal{A}$ onto $Bbb C$ that lies in $mathcal{A}_*$. Several characterizations of $varphi$-Connes amenability are given. We also prove that the follo...
To approach experimentally the problem of contractility, stellate cells from rats were isolated and grown on a flexible silicone rubber substrate. Increases or decreases in the number of wrinkles of the silicone membrane beneath the cells that were easily observable by microscopy was employed as semi-quantitative measure of stellate cell motility. Contraction of stellate cells accompanied by di...
The biochemical mechanisms by which octopamine, catecholamines and the peptide proctolin exert their actions on Limulus cardiac muscle were investigated. Amines produced long-lasting increases in the amplitude of contractions evoked by electrical stimulation. At 10(-5) mol l-1, the apparent order of potency for amine-induced increases in evoked contraction amplitude was dopamine approximately e...
The objective of this study was to determine whether the vascular smooth muscle contractile effect of NG-methyl-L-arginine (NMA) is endothelium dependent and attributed to a decline in smooth muscle levels of cyclic GMP. Vascular smooth muscle levels of cyclic GMP are severalfold greater in endothelium-intact than in endothelium-denuded preparations because of the continuous formation and relea...
This study examines nitric oxide (NO) mediated effects on longitudinal muscle with adherent myenteric ganglia from rat ileum in vitro using NO donors and electrical field stimulation. Electrical field stimulation (20 Hz) caused a biphasic response-a relaxation followed by a contraction. NG-nitro-L-arginine methyl ester almost totally abolished the relaxation and L-arginine restored it. The cont...
تعریف کاراتئودوری از مشتق چنین است:می گوییم تابع $f$ در نقطه $ain d_f$ مشتق پذیر است هرگاه یک تابع $varphi$ وجود داشته باشد که در $a$ پیوسته باشد و برای هر $x$ در یک بازه باز $u$ شامل $a$،[f(x)-f(a)=varphi(x)(x-a).]در این مقاله به بررسی این تعریف از مشتق می پردازیم. نشان می دهیم که با تعریف استاندارد (کوشی) از مشتق معادل است و می تواند در اثبات ساده تری از بعضی قضایای مقدماتی ...
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