Liao, Shengjun; Zhang, Xianyong; Mo, Zhiwen; Tang, Lingyu Three-way weighted transformation entropies based on the rough entropy. (Chinese. English summary) Zbl 1474.94059 J. Sichuan Norm. Univ., Nat. Sci. 43, No. 5, 700-705 (2020). MSC: 94A17 94D05 PDFBibTeX XMLCite \textit{S. Liao} et al., J. Sichuan Norm. Univ., Nat. Sci. 43, No. 5, 700--705 (2020; Zbl 1474.94059) Full Text: DOI
Zhang, Xianyong; Mo, Zhiwen A model of logic difference operation of a grade upper approximation operator and a grade lower approximation operator. (Chinese. English summary) Zbl 1274.68562 J. Sichuan Norm. Univ., Nat. Sci. 35, No. 5, 577-580 (2012). MSC: 68T37 68T27 03E72 PDFBibTeX XMLCite \textit{X. Zhang} and \textit{Z. Mo}, J. Sichuan Norm. Univ., Nat. Sci. 35, No. 5, 577--580 (2012; Zbl 1274.68562) Full Text: DOI
Zhang, Xianyong; Mo, Zhiwen Product operation of grade upper and lower approximation operators. (Chinese. English summary) Zbl 1265.68251 J. Sichuan Norm. Univ., Nat. Sci. 34, No. 6, 775-779 (2011). MSC: 68T27 47S40 68T37 03E72 PDFBibTeX XMLCite \textit{X. Zhang} and \textit{Z. Mo}, J. Sichuan Norm. Univ., Nat. Sci. 34, No. 6, 775--779 (2011; Zbl 1265.68251) Full Text: DOI
Zhang, Xianyong; Mo, Zhiwen Approximation operators of logical difference operation of precision and grade and their properties. (Chinese. English summary) Zbl 1249.68269 J. Sichuan Norm. Univ., Nat. Sci. 34, No. 4, 443-446 (2011). MSC: 68T37 03E72 PDFBibTeX XMLCite \textit{X. Zhang} and \textit{Z. Mo}, J. Sichuan Norm. Univ., Nat. Sci. 34, No. 4, 443--446 (2011; Zbl 1249.68269) Full Text: DOI
Zhang, Xianyong; Xie, Shoucai; Mo, Zhiwen Knowledge integral and knowledge entropy. (Chinese. English summary) Zbl 1199.68392 J. Sichuan Norm. Univ., Nat. Sci. 31, No. 1, 14-17 (2008). MSC: 68T30 68T37 26A39 28E05 PDFBibTeX XMLCite \textit{X. Zhang} et al., J. Sichuan Norm. Univ., Nat. Sci. 31, No. 1, 14--17 (2008; Zbl 1199.68392)
Zhang, Xianyong Set approximate neighborhood and properties of knowledge universe topological spaces. (Chinese. English summary) Zbl 1150.54304 J. Sichuan Norm. Univ., Nat. Sci. 30, No. 2, 138-141 (2007). MSC: 54A10 54A40 03E72 PDFBibTeX XMLCite \textit{X. Zhang}, J. Sichuan Norm. Univ., Nat. Sci. 30, No. 2, 138--141 (2007; Zbl 1150.54304)
Zhang, Xianyong; Mo, Zhiwen Rough groups and the roughness of groups based on subgroups. (Chinese. English summary) Zbl 1115.68525 J. Sichuan Norm. Univ., Nat. Sci. 29, No. 3, 253-256 (2006). MSC: 68T30 20N25 PDFBibTeX XMLCite \textit{X. Zhang} and \textit{Z. Mo}, J. Sichuan Norm. Univ., Nat. Sci. 29, No. 3, 253--256 (2006; Zbl 1115.68525)
Zhang, Xianyong Study on completeness of approximate neighborhoods. (Chinese. English summary) Zbl 1098.54502 J. Sichuan Norm. Univ., Nat. Sci. 29, No. 2, 139-142 (2006). MSC: 54A10 68T30 PDFBibTeX XMLCite \textit{X. Zhang}, J. Sichuan Norm. Univ., Nat. Sci. 29, No. 2, 139--142 (2006; Zbl 1098.54502)
Zhang, Xianyong The properties of union, intersection and complement operators of approximate topology. (Chinese. English summary) Zbl 1085.54501 J. Sichuan Norm. Univ., Nat. Sci. 28, No. 2, 138-141 (2005). MSC: 54A10 68T30 PDFBibTeX XMLCite \textit{X. Zhang}, J. Sichuan Norm. Univ., Nat. Sci. 28, No. 2, 138--141 (2005; Zbl 1085.54501)
Zhang, Xianyong; Mo, Zhiwen Knowledge universe, knowledge topology and set neighbourhood. (Chinese. English summary) Zbl 1084.54500 J. Sichuan Norm. Univ., Nat. Sci. 27, No. 5, 459-462 (2004). MSC: 54A10 68T30 PDFBibTeX XMLCite \textit{X. Zhang} and \textit{Z. Mo}, J. Sichuan Norm. Univ., Nat. Sci. 27, No. 5, 459--462 (2004; Zbl 1084.54500)
Zhang, Xianyong; Mo, Zhiwen Knowledge measure. (Chinese. English summary) Zbl 1093.28501 J. Sichuan Norm. Univ., Nat. Sci. 27, No. 2, 152-154 (2004). MSC: 28E10 68T30 PDFBibTeX XMLCite \textit{X. Zhang} and \textit{Z. Mo}, J. Sichuan Norm. Univ., Nat. Sci. 27, No. 2, 152--154 (2004; Zbl 1093.28501)
Zhang, Xianyong; Mo, Zhiwen The connections of interior, closure operators, neighborhood and approximation operators. (Chinese. English summary) Zbl 1048.54501 J. Sichuan Norm. Univ., Nat. Sci. 26, No. 5, 452-455 (2003). MSC: 54A05 54D10 68T30 PDFBibTeX XMLCite \textit{X. Zhang} and \textit{Z. Mo}, J. Sichuan Norm. Univ., Nat. Sci. 26, No. 5, 452--455 (2003; Zbl 1048.54501)