Jia, Zihang; Qiao, Junsheng Extension operators for type-2 fuzzy sets derived from overlap functions. (English) Zbl 1522.03259 Fuzzy Sets Syst. 451, 130-156 (2022). MSC: 03E72 PDFBibTeX XMLCite \textit{Z. Jia} and \textit{J. Qiao}, Fuzzy Sets Syst. 451, 130--156 (2022; Zbl 1522.03259) Full Text: DOI
Liu, Zhi-qiang; Wang, Xue-ping The distributivity of extended uninorms over extended overlap functions on the membership functions of type-2 fuzzy sets. (English) Zbl 1522.03267 Fuzzy Sets Syst. 448, 94-106 (2022). MSC: 03E72 PDFBibTeX XMLCite \textit{Z.-q. Liu} and \textit{X.-p. Wang}, Fuzzy Sets Syst. 448, 94--106 (2022; Zbl 1522.03267) Full Text: DOI
Wu, Xinxing; Chen, Guanrong; Wang, Lidong On union and intersection of type-2 fuzzy sets not expressible by the sup-t-norm extension principle. (English) Zbl 1522.03293 Fuzzy Sets Syst. 441, 241-261 (2022). MSC: 03E72 PDFBibTeX XMLCite \textit{X. Wu} et al., Fuzzy Sets Syst. 441, 241--261 (2022; Zbl 1522.03293) Full Text: DOI
Cubillo, Susana; Torres-Blanc, Carmen; Magdalena, Luis Automorphisms on normal and convex fuzzy truth values revisited. (English) Zbl 1522.03072 Fuzzy Sets Syst. 431, 143-159 (2022). MSC: 03B52 PDFBibTeX XMLCite \textit{S. Cubillo} et al., Fuzzy Sets Syst. 431, 143--159 (2022; Zbl 1522.03072) Full Text: DOI
Liu, Zhi-qiang; Xiong, Qing-quan Subalgebras of the truth value algebra of type-2 fuzzy sets. (English) Zbl 1467.03021 Fuzzy Sets Syst. 418, 51-63 (2021). MSC: 03E72 03G25 PDFBibTeX XMLCite \textit{Z.-q. Liu} and \textit{Q.-q. Xiong}, Fuzzy Sets Syst. 418, 51--63 (2021; Zbl 1467.03021) Full Text: DOI
Liu, Zhi-qiang; Wang, Xue-ping Distributivity between extended t-norms and t-conorms on fuzzy truth values. (English) Zbl 1464.03062 Fuzzy Sets Syst. 408, 44-56 (2021). MSC: 03E72 03B52 PDFBibTeX XMLCite \textit{Z.-q. Liu} and \textit{X.-p. Wang}, Fuzzy Sets Syst. 408, 44--56 (2021; Zbl 1464.03062) Full Text: DOI
Liu, Zhi-Qiang; Wang, Xue-Ping The distributivity of extended operations on fuzzy truth values. (English) Zbl 1491.03023 J. Mult.-Val. Log. Soft Comput. 35, No. 5-6, 565-583 (2020). MSC: 03B52 PDFBibTeX XMLCite \textit{Z.-Q. Liu} and \textit{X.-P. Wang}, J. Mult.-Val. Log. Soft Comput. 35, No. 5--6, 565--583 (2020; Zbl 1491.03023) Full Text: Link
Liu, Zhi-qiang; Wang, Xue-ping Two examples of subalgebras of the set of functions between bounded lattices. (English) Zbl 1436.06015 Soft Comput. 23, No. 23, 12233-12240 (2019). MSC: 06D05 PDFBibTeX XMLCite \textit{Z.-q. Liu} and \textit{X.-p. Wang}, Soft Comput. 23, No. 23, 12233--12240 (2019; Zbl 1436.06015) Full Text: DOI