1. Portfolio selection problems with Markowitz’s mean–variance framework: a review of literature

   • Yuanyuan Zhang
   • Xiang Li
   • Sini Guo

   OriginalPaper 22 March 2017 Pages: 125 - 158

2. Fuzzy clustering using multiple Gaussian kernels with optimized-parameters

   • Issam Dagher

   OriginalPaper 03 April 2017 Pages: 159 - 176

   

3. Different optimum notions for fuzzy functions and optimality conditions associated

   • R. Osuna-Gómez
   • B. Hernández-Jiménez
   • G. Ruiz-Garzón

   OriginalPaper 15 March 2017 Pages: 177 - 193

   

4. Deriving crisp and consistent priorities for fuzzy AHP-based multicriteria systems using non-linear constrained optimization

   • Raman Kumar Goyal
   • Sakshi Kaushal

   OriginalPaper 14 March 2017 Pages: 195 - 209

   

5. The covariance of uncertain variables: definition and calculation formulae

   • Mingxuan Zhao
   • Yuhan Liu
   • Jian Zhou

   OriginalPaper 21 March 2017 Pages: 211 - 232

   

6. Conditional uncertain set and conditional membership function

   • Kai Yao

   OriginalPaper 15 March 2017 Pages: 233 - 246