let h be a separable hilbert space and let b be the set of bessel sequences in h. by using several interesting results in operator theory we study some topological properties of frames and riesz bases by constructing a banach space structure on b. the convergence of a sequence of elements in b is de_ned and we determine whether important properties of the sequence is preserved under the con...

murder of wife during adultery: if a man sees his wifes adultery with another man, he can kill both of them. and he is not guilty in this murder. this sentence is the opinion of imami jurists and numerous comments on this issue are the main reasons for the sentence. that is the opinion of the sunni jurists too. murder of wife and the stranger man are permitted. but in contrast to these views, ...

the effect of learning strategies on the speaking ability of iranian students in the context of language institutes abstract language learning strategies are of the most important factors that help language learners to learn a foreign language and how they can deal with the four language skills specifically speaking skill effectively. acknowledging the great impact of learning strategies...

critical thinking ability has an important role in education. accordingly, scholars around the world are searching for new ways for teaching and improving students critical thinking ability. in line with the studies in efl contexts supporting the positive relationship between critical thinking and writing performances, this study investigated the differential effects of halverson’s critical thi...

abstract: postmethod is a newly developed pedagogy which as an alternative to method rejects the notion of good or bad methods and the concept of best method that can be generalized and appropriate for all contexts. instead, it treats each context as unique and one of a kind which cant be compared with other cases. this study is a postmethod-oriented one which investigates whether and how far t...

مطالعات موجود درباره نظام راهبری شرکتی، به طور عمده تمرکز بر این دارد که سیستم نظام راهبری قوی، ارزشگذاری شرکت‌های با جریان‌های نقدی آزاد مازاد یا مشکل جریان‌های نقدی آزاد را افزایش می‌دهد. هدف این مطالعه، بررسی اثر جریان‌های نقدی آزاد مازاد، نظام راهبری شرکتی و اندازه شرکت بر پیش بینی پذیری سود است. ابتدا اثر جریان‌های نقدی آزاد مازاد  بر پیش بینی پذیری سود بررسی می‌شود. سپس به بررسی اثر تعدیل...