منابع مشابه
new semigroup compactifications via the enveloping semigroups of associated flows
this thesis deals with the construction of some function algebras whose corresponding semigroup compactification are universal with respect to some properies of their enveloping semigroups. the special properties are of beigan a left zero, a left simple, a group, an inflation of the right zero, and an inflation of the rectangular band.
15 صفحه اولon the comparison of keyword and semantic-context methods of learning new vocabulary meaning
the rationale behind the present study is that particular learning strategies produce more effective results when applied together. the present study tried to investigate the efficiency of the semantic-context strategy alone with a technique called, keyword method. to clarify the point, the current study seeked to find answer to the following question: are the keyword and semantic-context metho...
15 صفحه اولconditional copula-garch methods for value at risk of portfolio: the case of tehran stock exchange market
ارزش در معرض ریسک یکی از مهمترین معیارهای اندازه گیری ریسک در بنگاه های اقتصادی می باشد. برآورد دقیق ارزش در معرض ریسک موضوع بسیارمهمی می باشد و انحراف از آن می تواند موجب ورشکستگی و یا عدم تخصیص بهینه منابع یک بنگاه گردد. هدف اصلی این مطالعه بررسی کارایی روش copula-garch شرطی در برآورد ارزش در معرض ریسک پرتفویی متشکل از دو سهام می باشد و ارزش در معرض ریسک بدست آمده با روشهای سنتی برآورد ارزش د...
Assessing the Total Cost of Ownership of Virtual Communities: The Case of the Berlin Stock Exchange
The usage of social software and virtual community platforms opens up opportunities to bridge the gap between customers and companies and to integrate customers into the value-added process. Ideas generated by members of a virtual community can be utilized to improve and to innovate a company’s value adding activities. However, the implementation and operation of virtual communities may have a ...
متن کاملEconomics of Virtual Communities - The Case of the Berlin Stock Exchange
The use of social software and virtual community platforms in particular promises to offer opportunities for customer integration into a company’s value adding activities. Therefore, ideas and innovations generated by members of a virtual community can be analyzed and used in order to enhance the quality of products and services. However, evaluating economic consequences associated with the set...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1904
ISSN: 0036-8733
DOI: 10.1038/scientificamerican04231904-23661supp