"Scientific research" Almanac

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  INFORMATION SYSTEMS IN HOSPITALS – STATE AND PERSPECTIVES

  E-Healthcare is a fast growing area which includes collaboration of medical in-formatics, public healthcare and health services and information sharing through using contemporary information and communication technologies. The strategic goal in establishing e-Healthcare is to achieve better health status and quality of life for Bulgarian citizens ... E-Healthcare is a fast growing area which includes collaboration of medical in-formatics, public healthcare and health services and information sharing through using contemporary information and communication technologies. The strategic goal in establishing e-Healthcare is to achieve better health status and quality of life for Bulgarian citizens through providing access to high-quality health services. Taking this into consideration, the present study reveals the current state of medical information systems and highlights possible perspectives for their improvement through modern and effective information technologies.

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  CREDIT RISK MANAGEMENT – BANK RATIONALITY

  In this study effective credit trisk management is seen as a factor of bank stability, which registers a significant contribution to the organization of banking and in the process of formulating rational financial decisions. In the course of this study basic dimensions of credit risk in banking have been assessed by examining the relationship ... In this study effective credit trisk management is seen as a factor of bank stability, which registers a significant contribution to the organization of banking and in the process of formulating rational financial decisions. In the course of this study basic dimensions of credit risk in banking have been assessed by examining the relationship between bank risk management and efficiency of banking policy. The challenges of modern dimensions of credit risk-management in banking are outlined. The efficicency of credit risk-management is studied in theoretical and applied aspects and the key issues and trends are interpreted. The impact of credit risk on the financial condition of the bank is analyzed. Guidelines are set for the planning of measures and making of recommendations for proper management of credit risk in banking.

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  EQUILIBRIUM IN STOCHASTIC OPTIMIZATION MODELS WITH ECONOMIC APPLICATIONS

  The subject of this work is the application of a linear quadratic model which is a result of the stochastic modeling process in the economic field. A dynamic economic process is modeled, which occurs in conditions described by a stochastic differential equation. The dynamics of the process is subject to jump-like changes. Such systems are known as ... The subject of this work is the application of a linear quadratic model which is a result of the stochastic modeling process in the economic field. A dynamic economic process is modeled, which occurs in conditions described by a stochastic differential equation. The dynamics of the process is subject to jump-like changes. Such systems are known as Markov jump linear systems. The target in the observed process is modeled through a functional which has to be minimized. The result is a linear quadratic stochastic model. The equilibrium search model is related to the numerical solution of a system of generalized discrete-time algebraic Riccati equations. Methods for finding the maximal solution to a system of discrete-time algebraic Riccati equations are investigated. Moreover, new methods and algorithms for computing of this maximal solution are proposed. The numerical characteristics of algorithms are analyzed in special cases of negative definite weighting matrices and indefinite weighting ones. Conclusions are derived of the applicability and efficiency of the proposed methods.