Methods for Decision Making in an Uncertain Environment : Proceedings of the XVII SIGEF Congress

Intro -- CONTENTS -- Preface Jaime Gil-Aluja, Antonio Terceño -- Scientific Committee -- Organizing Committee -- INTRODUCTION -- The spanish school of fuzzy economics Jaime Gil-Aluja -- PART 1: THEORETICAL FOUNDATIONS -- Specific Max. Traveling Salesman Problems Raul O. Dichiara, Blanca I. Niel -- 1. Introduction -- 2. The proposed methodology -- 2.1. Intrinsic Geometry and Inherent Arithmetic -- 2.2. Fundamental Statements: Lemma 2.2 and Theorem 2.1 -- 3. Representative strategies of the max. traveling salesman path problems -- 4. Congruent cyclic strategies with k -- 5. Max. traveling salesman paths singled out in K k /~ -- 6. The outcome of maximum overall-length statements -- 5. Conclusion -- APPENDIX -- References -- Solving Fuzzy Mathematical Programming: A Parametric Approach Ricardo Coelho Silva,Carlos Cruz Corona, José L. Verdegay -- 1. Introduction -- 2. Fuzzy Linear Programming -- 3. Fuzzy Quadratic Programming -- 4. Parametric Convex Programming Approaches -- 4.1. Convex programming problems with fuzzy relations -- 4.2. Convex programming problems with fuzzy costs -- 5. Portfolio Selection Problem -- 6. Numerical Examples -- 6.1. Formulation of the Numerical Examples -- 6.2. Results and Analysis -- 7. Conclusions -- Acknowledgements -- References -- Study of Fuzzy Model With Constant Development Xavier Bertran, Narcís Clara, Dolors Corominas -- 1. Introduction -- 2. Fuzzy analysis based on the extension principle -- 3. Solution of the fuzzy equation -- 3.1. Case1: Equation (4) don't have any equilibrium point -- 3.1.1 Solution of = in region R1 -- 3.1.2 Solution of = in region R2 -- 3.1.3 Solution of = in region R3 -- 3.2. Case2: Equation (4) have one equilibrium point -- 3.2.1 Solution of = in region R1 -- 3.2.2 Solution of = in region R2 -- 3.2.3 Solution of = in region R3.