Economics concerns phenomena on the interface between materials and processes in the physical world, and strategic actions in cognitive, legal, and cultural realms. A very limited set of questions about the existence of rationally optimal allocations of goods has been asked within the mathematical framework of economic general equilibrium theory. Independently, diverse ad hoc models of particul...

Abstract. This paper begins by defining the basic aspects of probability, including the probability space and random variables. We explore the types and qualities of random variables, as well as di↵erent distributions and their properties, with the goal of building the Poisson Process, and finally the Compound Poisson Process. This is an important counting process that can be applied to many in...

Some scholars of management, organizations and markets expend significant energy disparaging and defending various research methods. Debates about deductive vs. inductive theory-building; casebased information versus large-sample data; and qualitative versus quantitative research are dichotomies that surface almost daily in the lives of those of us who conduct research and review the work of ot...

abstract this paper by reviewing the main examples of small to medium-scale retractable roof structures covering building courtyards is to present an innovative rigid retractable roof system employing spatial frames for a courtyard of an existing building in tabriz islamic art university. the courtyard is currently used for temporary exhibitions and gatherings whenever permitted by environmenta...