We consider the descriptive complexity of some subsets of the infinite permutation group S∞ which arise naturally from the classical series rearrangement theorems of Riemann, Levy, and Steinitz. In particular, given some fixed conditionally convergent series of vectors in Euclidean space Rd, we study the set of permutations which make the series diverge, as well as the set of permutations which...

The main objective of this research, Explain the effectiveness of advertising using the AIDA model in the private insurance companies in the metropolitan city of Tehran. This descriptive research study field and study population consisted of all clients are insurance companies that considering the population size is unlimited Sample size was determined using the formula of infinite sample size ...

Although selective attention allocation has been suggested to be one of the most important processes implemented in the recent computational models of category learning (e.g., Kruschke, 1992), the models’ predictions on attention allocation have been virtually ignored by cognitive modeling researchers. Rather almost all modeling studies had focused solely on the models’ capabilities in reproduc...

There is a growing need for abstractions in logic specification languages such as FO(·) and ASP. One technique to achieve these abstractions are templates (sometimes called macros). While the semantics of templates are virtually always described through a syntactical rewriting scheme, we present an alternative view on templates as second order definitions. To extend the existing definition cons...

the main function of rural areas in the third world is the agricultural function which is crucially important because of its great effects on employment, moderating income and poverty, food security and self-efficacy. this article studies the role of agriculture (as an independent variable) in rural development (related variable) of miyankangi district in sistan. the method of the study was des...

In this paper, a novel simple dimension reduction technique for classification is proposed based on correlation coefficient. Existing dimension reduction techniques like LDA is known for capturing the most discriminant features of the data in the projected space while PCA is known for preservin g the most descriptive ones after projection. Our novel technique integrates correlation coefficient ...

The recent dramatic and interesting advances in computer technology have significantly altered the roles of both users and developers. Role theory might be applied to more fully understand and more effectively investigate organizational, behavioral, and social issues related to these changes. A framework for categorizing information systems roles is built from a matrix of information system and...