1. Fuzzy costs in quadratic programming problems

   • Ricardo C. Silva
   • Carlos Cruz
   • José L. Verdegay

   OriginalPaper 16 March 2013 Pages: 231 - 248

2. A novel job search problem in hybrid uncertain environment

   • Guoli Wang
   • Wansheng Tang
   • Ruiqing Zhao

   OriginalPaper 21 February 2013 Pages: 249 - 261

3. Robust-based interactive portfolio selection problems with an uncertainty set of returns

   • Takashi Hasuike
   • Hideki Katagiri

   OriginalPaper 21 February 2013 Pages: 263 - 288

4. On interval portfolio selection problem

   • Meng Wu
   • De-wang Kong
   • Nan-jing Huang

   OriginalPaper 03 March 2013 Pages: 289 - 304

   

5. Optimality conditions of type KKT for optimization problem with interval-valued objective function via generalized derivative

   • Y. Chalco-Cano
   • W. A. Lodwick
   • A. Rufian-Lizana

   OriginalPaper 21 February 2013 Pages: 305 - 322

6. An interactive method for multiple criteria group decision analysis based on interval type-2 fuzzy sets and its application to medical decision making

   • Ting-Yu Chen

   OriginalPaper 09 March 2013 Pages: 323 - 356