The purpose of this volume is to present recent developments in the use of fuzzy sets in broadly perceived interactive optimization and mathematical programming. After some introductory sections some human related issues are covered. Then, basic issues related to fuzzy optimization are dealt...

1: Binary Relations: Definitions, Representations, Basic Properties -- 1.1. Binary relations -- 1.2. Graph representation of binary relations -- 1.3. Coding the binary relations -- 1.4. Matrix representation of binary relations -- 1.5. Basic properties of binary relations -- 1.6. Particular...

The important issue of how to overcome rigidness, inadequacy and human inconsistency regarding conventional assumptions on preferences in decision making (for example, regarding yes/no crispness or transitivity) is discussed by well-known experts in this volume. In the introductory articles,...