the space now known as complete erdos space ec was introduced by paul erdos in 1940 as the closed subspace of the hilbert space ?2 consisting of all vectors such that every coordinate is in the convergent sequence {0} ? { 1 n : n ? n}. in a solution to a problem posed by lex g. oversteegen we present simple and useful topological characterizations of ec. as an application we determine the ...

abstract this study is an attempt to determine the effect of nano- technology education on science lesson for fifth grade in primary school in the city of kermanshah. this research is experimental and is conducted in the from of pre-test and post- test for the control group. an achievement test was administered to determine the rate of learning in the students. the research is an applied one. ...

the construct of self-efficacy has received increasing attention in research over the past two decades. many studies have been carried out 1.3 significance of the study this study has pedagogical implications since improving students’ self- efficacy and autonomy is important for promoting actual performance on classroom academic tasks. in academic settings, it has been shown that self-effi...

the present paper deals with criminal issues. for example, legal injunction on the necessity of returning a deposit has a legal nature and legal injunction on the punishment of those who breach the trust has a criminal nature. existing social issues are the basis of classification of some instances into the issue, some of which are based on variation and others on quality. therefore, the motiva...

سرطان پستان شایع ترین نوع سرطان در زنان است که ریسک بروز آن با افزایش سن افزایش می یابد. با توجه به نقش فیزیولوژیکی مهم ویتامین d و هورمون های تیروئیدی در این مطالعه مورد شاهد به ارزیابی تأثیر تغییرات این عوامل بعنوان ریسک فاکتور ابتلا به سرطان پستان در مقایسه با سایر عوامل زیست محیطی شناخته شده پرداخته شده است. جمعیت مورد مطالعه شامل 60 زن مبتلا به آدنوکارسینومای پستان (idcs or/and dcis) ساکن ...

“any science seeks generalities; the aim is to transcend knowledge of particular cases by discovering general regularities or laws” (chesterman, 2001, p. 1). these were the words of chesterman whose paper has served as a typical example of numerous papers carried out on ‘translation universals’ since the mid-nineties. blum-kulka (1986) is among translation studies scholars who proposed ‘explici...

abstract biometric access control is an automatic system that intelligently provides the access of special actions to predefined individuals. it may use one or more unique features of humans, like fingerprint, iris, gesture, 2d and 3d face images. 2d face image is one of the important features with useful and reliable information for recognition of individuals and systems based on this ...

abstract cooperative learning refers to small groups of learners working together as a team to solve a problem, complete a task, or accomplish a common goal. in a cooperative environment one’s success is directly related to the success of other members because the focus on the individual shifts towards the group. to test the effectiveness of the method, using jigsaw technique, a study was cond...

در این پایان نامه ارتباط بین bck/bci- جبرها و ایده الیستیک اول و فیلتریستیک اول bck/bci- جبرها را بیان می کنیم. در نهایت اجتماع و اشتراک و and و or و زیر مجموعه در ایده الهای اول و ایده الیستیک های اول نرمدر bck/bci- جبرها و فیلتر ها و فیلتریستیک نرمدر bck- جبرها مورد مطالعه قرار می دهیم.

abstract: in this thesis, we focus to class of convex optimization problem whose objective function is given as a linear function and a convex function of a linear transformation of the decision variables and whose feasible region is a polytope. we show that there exists an optimal solution to this class of problems on a face of the constraint polytope of feasible region. based on this, we dev...