Valentin S. Kisimov

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The theory of investment portfolios is a well defined component of financial science. While sound in principle, it faces some setbacks in its real-world implementation. The authors state that cybernetics present an unorthodox "new" way of studying the process of portfolio management. First, the known theory is translated in cybernetic terminology. Second,(More)
In the paper are presented solutions for securing the core University Business Processes. A Method for identification which Business processes are critical for security point of view, on which is required to pay more attention for its securing. For securing of the elected Business processes is developed a new security system – Extended Certification(More)
The paper is dedicated to a research of a need of special social network for the purpose of university education, called Educational Social Network (ESN). On the base of a survey among students from University of National and World Economy (UNWE), Bulgaria, an analysis is provided and conclusions are presented from which follow what could be the principles(More)
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