We extend the results of Blume, Brandenberger, and Dekel (1991b) to obtain a finite characterization of perfect equilibria in terms of lexicographic probability systems (LPSs). The LPSs we consider are defined over individual strategy sets and thus capture the property of independence among players’ actions. Our definition of a product LPS over joint actions of the players is shown to be canoni...

Terrorism is an act whose nature and outcome is violence and fear. Regardless of the different forms of the realization of this act in the past, it has taken new forms in the contemporary era due to the advancement of sciences and technologies. To face this phenomenon, then, it is necessary to foresee and apply appropriate and favorable measures. As a victim of internal and external terrorism, ...

nowadays, by the expansion of information technology in human life and dependence of business upon it, data protection, as one the most valuable and critical assets of the organization, has become the vital tool of modern industry and prerequisite for sustaining business process. in order to face the challenges and to take advantage of new opportunities brought forth by it advances we suggest o...

security is fundamental right and prerequisite of upgrade welfare and health of the people. sense of security is the key issues in any society and necessary introduction for the political and social military life. sense of security was related citizens' mental sense of security and hence it accompanies many queries and issues around self about secure or insecure of it. women's are vulnerable gr...

electronic payment system in one of the e-banking services and must be reliable and free of security deficiencies in order to overcome traditional system. improving customer’s perceptions of security and trust in the course of electronic payment transactions is vital in order to attract, retain and retrieve users of such a system. this study aimed to investigate the effects of customers’ percep...

security has been the most important issue in relations between turkey and the european :union:. turkish leaders have always tried to link their own security concerns with those of the :union:, trying to portray their country as net security provider to the eu. the european :union: in its new security strategy has tried to expand its security zone outside the eu, defining issues such as terrori...

in recent years, negotiations in order to change the most powerful and effective elements of the united nations, the security council, has sparked a wide range of debates. benefits and special privileges of members of the security council such as the right to veto, imposing sanctions have forced some states to maintain this order on the one side, and has united 5 permanent members of the securi...