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2. Yan Sun, Fugui Shi: Representations of L-fuzzy rough approximation operators. Information Sciences, 2023, 645, 119324. (JCR分区: 一区, IF: 8.233, 中科院分区: 一区(TOP))

3. Yan Sun, Bin Pang, Shaoyu Zhang: Binary relations induced from quasioverlap functions and quasi-grouping functions on a bounded lattice. Computational & Applied Mathematics, 2022, 41, 340. (JCR分区: 一区, IF: 2.998, 中科院分区: 3区)

4. Yan Sun, Bin Pang, Ju-sheng Mi: Axiomatic characterizations of (G, O)-fuzzy rough approximation operators via overlap and grouping functions on a complete lattice. International Journal of General Systems, 2023, 52(6), 664–693. (JCR分区: 二区, IF: 2.435, 中科院分区: 3区)

5. Wen Liu, Ju-sheng Mi, Yan Sun: Single axiomatic characterization of a hesitant fuzzy generalization of rough approximation operators. Soft Computing, 2021, 25:12649–12666. (JCR分区: 二区, IF: 3.732, 中科院分区: 3区)

6.  Fugui Shi,Yan Suni(通讯): Degrees of compatible L-subsets and compatible mappings. Kybernetika. 2024, 60(2), 172-196.(JCR分区: 四区, IF: 8.233, 中科院分 区: 4区)

7. 孙妍, 米据生, 冯涛, 李磊军, 梁美社: 变精度极大相容块粗糙集模型及其属性 约简. 计算机科学与探索, 2020, 14(5), 892–899. (北大核心，CSCD)

8. 刘文, 米据生, 孙妍: 一种新的犹豫模糊粗糙近似算子的公理刻画. 计算机研 究与发展, 2021, 58(09), 2062–2070. (北大核心, EI, CSCD)