Stock portfolio selection using mathematical programming: an educational approach

Authors:
Christina Beneki;George Kaimakamis;Konstantinos Kiriakopoulos;Alexandros Koulis
Affiliations:
Department of Business Administration, Technological Educational Institute of Ionian Islands, Lixouri, Kefalonia, Greece;Department of Logistics Management, Technological Educational Institute of Chalkida, Thiva, Greece;Proton Bank, Lagoumitzi, Athens, Greece;Department of Business Administration, Technological Educational Institute of Chalkida, Psahna, Evia, Greece
Venue:
MCBE'09 Proceedings of the 10th WSEAS international conference on Mathematics and computers in business and economics
Year:
2009

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Abstract

The need of security for messages transferred between two entities in computer network is a reality. Many algorithms use text key's with variable length of them. This paper propose an algorithm that use like encoding key a part of an image. For an image ...