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Fuzzy sets. Applications in economical problems. (English) Zbl 1062.91530

Summary: In the first part of my lecture an overview on fuzzy sets, fuzzy numbers, fuzzy logic is given . This synthetic presentation is useful in understanding and in developing applications in economical problems.
In the second part some new or extended approaches of such applications are given. More precisely there are presented: a model of solving decision problems; an algoritm for the study the interactions between economic indicators and a method to establish the value of a company.

MSC:

91B02 Fundamental topics (basic mathematics, methodology; applicable to economics in general)
03E72 Theory of fuzzy sets, etc.
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