| 1 | -- | 20 | Dechao Li, Yongjian Xie, Youfu Jiang. Natural negation of interval-valued t-(co) norms and implications |
| 21 | -- | 31 | Salvatore Greco, Radko Mesiar, Fabio Rindone. Generalized bipolar product and sum |
| 33 | -- | 55 | Jianke Zhang, Qinghua Zheng, Xiaojue Ma, Lifeng Li. Relationships between interval-valued vector optimization problems and vector variational inequalities |
| 57 | -- | 73 | Yurilev Chalco-Cano, Weldon A. Lodwick, Rafaela Osuna Gómez, Antonio Rufián-Lizana. The Karush-Kuhn-Tucker optimality conditions for fuzzy optimization problems |
| 75 | -- | 101 | Fanyong Meng 0001, Xiaohong Chen. Entropy and similarity measure for Atannasov's interval-valued intuitionistic fuzzy sets and their application |
| 103 | -- | 128 | Bo Wang, Xian-Zhong Zhou, Junzo Watada. A unit commitment-based fuzzy bilevel electricity trading model under load uncertainty |