نتایج جستجو برای: product
تعداد نتایج: 280008 فیلتر نتایج به سال:
in this article, we have focused one some basic and productive information about the properties of spectrum and singular values related to compact operators which are ideals in a c*-algebra of bounded operators. considering a two-sided connection between the family of symmetric gauge functions on sequence of singular values of compact operators and symmetric norms on finite dimensional ope...
این تحقیق به بررسی سطح فرسودگی وتحلیل رفتگی شغلی و عوامل احتمالی آن درمیان معلمان زبان انگلیسی که در موسسات زبان انگلیسی ارومیه مشغول به کار هستند پرداخته است. برای این منظور، یک گروه 140 نفری از معلمان زبان انگلیسی مرد وزن بطور تصادفی از موسسات زبان انتخاب شدند. پرسشنامه ای جهت جمع آوری اطلاعات شخصی از جمله سن، جنسیت وسابقه تدریس در میان شرکت کننده ها توزیع شد. پرسشنامه دیگری تحت عنوان پرسشنام...
this thesis basically deals with the well-known notion of the bear-invariant of groups, which is the generalization of the schur multiplier of groups. in chapter two, section 2.1, we present an explicit formula for the bear-invariant of a direct product of cyclic groups with respect to nc, c>1. also in section 2.2, we caculate the baer-invatiant of a nilpotent product of cyclic groups wuth resp...
we regard the shearlet group as a semidirect product group andshow that its standard representation is,typically, a quasiregu-lar representation. as a result we can characterize irreducibleas well as square-integrable subrepresentations of the shearletgroup.
in this paper, some categorical properties of the category ${bf cpo}_{{bf act}text{-}s}$ of all {cpo $s$-acts}, cpo's equipped with actions of a monoid $s$ on them, and strict continuous action-preserving maps between them is considered. in particular, we describe products and coproducts in this category, and consider monomorphisms and epimorphisms. also, we show that the forgetful functor from...
in this study, the effect of environmental concern, attitudes and behaviors of the university students on the environmentally conscious purchasing behavior was investigated with the help of structural equation model (sem). sem is an effective data analysis tool that expresses the complicated causative relations between the latent variables. in this study, we collected the data from 400 univers...
we study the theory of best approximation in tensor product and the direct sum of some lattice normed spacesx_{i}. we introduce quasi tensor product space anddiscuss about the relation between tensor product space and thisnew space which we denote it by x boxtimesy. we investigate best approximation in direct sum of lattice normed spaces by elements which are not necessarily downwardor upward a...
a subset $s$ of vertices in a graph $g$ is called a geodetic set if every vertex not in $s$ lies on a shortest path between two vertices from $s$. a subset $d$ of vertices in $g$ is called dominating set if every vertex not in $d$ has at least one neighbor in $d$. a geodetic dominating set $s$ is both a geodetic and a dominating set. the geodetic (domination, geodetic domination) number...
we investigate two constructions - the replacement and the zig-zag product of graphs - describing several fascinating connections with combinatorics, via the notion of expander graph, group theory, via the notion of semidirect product and cayley graph, and with markov chains, via the lamplighter random walk. many examples are provided.
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