This book provides tools for making decisions in an environment  of uncertainty. In Chapter 1 the author explains the most important  aspects of the concept of relation. From this start arise the other  three concepts that cover practically all processes from which  decisions stem. These three concepts are: attribution from which the  concept of assignment arises; and grouping, which includes the concept  of an original function. The techniques presented, as well as the  models and algorithms developed, constitute an ...
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				This book provides tools for making decisions in an environment  of uncertainty. In Chapter 1 the author explains the most important  aspects of the concept of relation. From this start arise the other  three concepts that cover practically all processes from which  decisions stem. These three concepts are: attribution from which the  concept of assignment arises; and grouping, which includes the concept  of an original function. The techniques presented, as well as the  models and algorithms developed, constitute an invaluable aid for  those who must make decisions. Audience: Researchers and graduate students interested in  mathematics applied to economics and management.
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