A mong the theories explaining the relationship between creativity criteria in cities and economic growth, “Human Capital Theory” by Glaeser and “Creative Class theory” by Florida can be mentioned. Accordingly, present paper aimed at analysis of the creativity effect on regional economic growth and is presented in two theoretical and experimental parts. Considering the results of the curre...

the networked control system in modern control widely uses to decrease the implementation cost and increasing the performance. ncs in addition to its advantages is inevitable. nevertheless they suffer of some limitations and deficiencies. packet loss is one of the main limitations which affect the control system in different conditions and finally may lead to system instability. for this reason...

this study aimed to describe the concepts and characteristics of wilson's information seeking behavior model, as the highly cited pattern in information seeking behavior debates and tracing its completion, expansion and development process. wilson's information seeking behavior model is the base for other subsequent related models. it has been the highly cited model amongst other information se...

This paper contributes to the model theory of modal logic using bisimulations as the fundamental tool. A uniform presentation is given of modal analogues of well-known deenability and preservation results from rst-order logic. These results include algebraic characterizations of modal equivalence, and of the modally deenable classes of models; the preservation results concern preservation of mo...