Natural negation of interval-valued t-(co) norms and implications Li DechaoXie YongjianJiang Youfu OriginalPaper 24 April 2015 Pages: 1 - 20
Generalized bipolar product and sum Salvatore GrecoRadko MesiarFabio Rindone OriginalPaper 23 April 2015 Pages: 21 - 31
Relationships between interval-valued vector optimization problems and vector variational inequalities Jianke ZhangQinghua ZhengLifeng Li OriginalPaper 22 April 2015 Pages: 33 - 55
The Karush–Kuhn–Tucker optimality conditions for fuzzy optimization problems Y. Chalco-CanoW. A. LodwickA. Rufián-Lizana OriginalPaper 23 April 2015 Pages: 57 - 73
Entropy and similarity measure for Atannasov’s interval-valued intuitionistic fuzzy sets and their application Fanyong MengXiaohong Chen OriginalPaper 23 April 2015 Pages: 75 - 101
A unit commitment-based fuzzy bilevel electricity trading model under load uncertainty Bo WangXian-zhong ZhouJunzo Watada OriginalPaper 21 April 2015 Pages: 103 - 128