محمود افشاری

‎One of the main subject of engineering , ‎is the information theory‎. ‎This topic is related to entropy‎ , ‎compress information and the other related topics‎. ‎In this thesis after expresstion the initial reliability introductions‎ , ‎we introduce generalized cumulative entropy‎. ‎we find their relations with the lower record values of a iid random variables‎. ‎After that‎ , ‎we express the properties of generalized cumulative entropy and its dynamic‎. ‎In the following‎ , ‎we introduce a risk measure based on cumulative entropy and consider its application in stock market in member of the Organization for Economic Co.operation and Development(OECD) countries.