نتایج جستجو برای: sequentially compact

تعداد نتایج: 108851  

Journal: :Canadian mathematical bulletin 2022

Abstract In this paper, we consider an equivalence relation on the space $AP(\mathbb {R},X)$ of almost periodic functions with values in a prefixed Banach X . context, it is known that normality or Bochner-type property, which characterizes these functions, based relative compactness family translates. Now, prove every class sequentially compact and translates function belonging to subspace den...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان 1390

we commence by using from a new norm on l1(g) the -algebra of all integrable functions on locally compact group g, to make the c-algebra c(g). consequently, we find its dual b(g), which is a banach algebra so-called fourier-stieltjes algebra, in the set of all continuous functions on g. we consider most of important basic theorems about this algebra. this consideration leads to a rather com...

Journal: :فیزیک زمین و فضا 0
سرمد قادر استادیار، گروه فیزیک فضا، مؤسسة ژئوفیزیک دانشگاه تهران، ایران عباسعلی علی اکبری بیدختی استاد، گروه فیزیک فضا، مؤسسة ژئوفیزیک، دانشگاه تهران، ایران سعید فلاحت دانشجوی کارشناسی ارشد ژئوفیزیک، گروه فیزیک فضا، مؤسسة ژئوفیزیک دانشگاه تهران، ایران

the compact finite difference schemes have been found to give simple ways of reaching the objectives of high accuracy and low computational cost. during the past two decades, the compact schemes have been used extensively for numerical simulation of various fluid dynamics problems. these methods have also been applied for numerical solution of some prototype geophysical fluid dynamics problems ...

Journal: :bulletin of the iranian mathematical society 2011
s. moradi d. kiani

we consider a class of hypergraphs called hypercycles and we show that a hypercycle $c_n^{d,alpha}$ is shellable or sequentially the cohen--macaulay if and only if $nin{3,5}$. also, we characterize cohen--macaulay hypercycles. these results are hypergraph versions of results proved for cycles in graphs.

Journal: :bulletin of the iranian mathematical society 2014
josé morales edixon rojas

‎in this paper we study the existence of fixed points for mappings defined on complete metric spaces‎, ‎satisfying a general contractive inequality depending on two additional mappings‎.

2007
Marco Mariotti

Cyclical choice is persistently observed in experimental evidence. It typically occurs in simple decision problems (involving only binary comparisons and few alternatives) and in significant proportions, sometimes nearing or even exceeding 50 percent. This is obviously incompatible with the classical model of ratio­ nal choice, in which choice is constructed as the maximizer of a single prefere...

Journal: :J. Log. Comput. 2008
Jan van Eijck

This paper defines the grammar class of sequentially indexed grammars. Sequentially indexed grammars are the result of a change in the index stack handling mechanism of indexed grammars [Aho68, Aho69]. Sequentially indexed grammars are different from linear indexed grammars [Gaz88]. Like indexed languages, sequentially indexed languages are a fully abstract language class. Unlike indexed langua...

Journal: :journal of linear and topological algebra (jlta) 0
g soleimani rad young researchers and elite club, central tehran branch, islamic azad university, tehran, iran. department of mathematics, faculty of science, islamic azad university, central tehran branch, po. code 13185-768, tehran, iran.

recently, rahimi et al. [comp. appl. math. 2013, in press] de ned the conceptof quadrupled xed point in k-metric spaces and proved several quadrupled xed pointtheorems for solid cones on k-metric spaces. in this paper some quadrupled xed point resultsfor t-contraction on k-metric spaces without normality condition are proved. obtainedresults extend and generalize well-known comparable result...

Journal: :Proceedings of the National Academy of Sciences 2020

Journal: :The Journal of Korean Institute of Electromagnetic Engineering and Science 2007

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