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Volume I, Number 1. May 1996

An approach to the problem of portfolio selection

T. Lorenzana, N. Márquez, S. Sardà. Universitat Rovira i Virgili

In this study we attempt to model a classical problem in the literature of finance, giving a different meaning to the notion of risk. When selecting portfolios, as in all decision making processes, risk is a determining factor and it is included in classical models using statistical parameters. Our aim…
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On employment of fuzzy sets theory for solving the problem of providing for information security

D.S. Chereshkin. Institute of System Analysis of Informatizacion Problems (MOSCOW)

S.I. Travkin. Institute for Systems Analysis (MOSCOW)

Possibilities for employment of fuzzy sets theory apparatus for solving problems of providing for information security are considered. The initial points for information security in information systems are specified. The following sequence of description is put forward in order to provide for a clear description and information process and the…
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