Li, Hongliang; Wu, Congxin Operation of convex fuzzy mappings. (Chinese. English summary) Zbl 1212.46112 J. Nat. Sci. Heilongjiang Univ. 26, No. 4, 443-444 (2009). MSC: 46S40 PDFBibTeX XMLCite \textit{H. Li} and \textit{C. Wu}, J. Nat. Sci. Heilongjiang Univ. 26, No. 4, 443--444 (2009; Zbl 1212.46112)
Zhao, Zhitao; Wu, Congxin Some properties of the space of fuzzy numbers with a kind of \(L_p\)-metric. (Chinese. English summary) Zbl 1212.54032 J. Nat. Sci. Heilongjiang Univ. 26, No. 1, 109-112 (2009). MSC: 54A40 03E72 PDFBibTeX XMLCite \textit{Z. Zhao} and \textit{C. Wu}, J. Nat. Sci. Heilongjiang Univ. 26, No. 1, 109--112 (2009; Zbl 1212.54032)
Wu, Congxin; Wang, Changzhong Attribute reduction based on general binary relations. (Chinese. English summary) Zbl 1199.68529 J. Nat. Sci. Heilongjiang Univ. 25, No. 6, 802-806, 854 (2008). MSC: 68U35 68T37 03E72 PDFBibTeX XMLCite \textit{C. Wu} and \textit{C. Wang}, J. Nat. Sci. Heilongjiang Univ. 25, No. 6, 802--806, 854 (2008; Zbl 1199.68529)
Ren, Xuekun; Wu, Congxin The convergence theorems of fuzzy Riemann-Stieltjes integrals. (Chinese. English summary) Zbl 1199.26113 J. Nat. Sci. Heilongjiang Univ. 25, No. 5, 630-633 (2008). MSC: 26E50 28E10 03E72 PDFBibTeX XMLCite \textit{X. Ren} and \textit{C. Wu}, J. Nat. Sci. Heilongjiang Univ. 25, No. 5, 630--633 (2008; Zbl 1199.26113)
Sun, Bo; Wu, Congxin Fuzzy measure on locally compact Hausdorff space. (Chinese. English summary) Zbl 1199.28056 J. Nat. Sci. Heilongjiang Univ. 25, No. 3, 305-308 (2008). MSC: 28E10 PDFBibTeX XMLCite \textit{B. Sun} and \textit{C. Wu}, J. Nat. Sci. Heilongjiang Univ. 25, No. 3, 305--308 (2008; Zbl 1199.28056)
Xiong, Qicai; Wu, Congxin The absolute convergence of fuzzy number series. (Chinese. English summary) Zbl 1199.40015 J. Nat. Sci. Heilongjiang Univ. 25, No. 3, 287-290 (2008). MSC: 40A05 03E72 PDFBibTeX XMLCite \textit{Q. Xiong} and \textit{C. Wu}, J. Nat. Sci. Heilongjiang Univ. 25, No. 3, 287--290 (2008; Zbl 1199.40015)
Wu, Congxin; Li, Hongliang The extension of two basic theorem in fuzzy number space with supremum metric. (Chinese. English summary) Zbl 1199.54053 J. Nat. Sci. Heilongjiang Univ. 25, No. 2, 141-143, 148 (2008). MSC: 54A40 54E35 PDFBibTeX XMLCite \textit{C. Wu} and \textit{H. Li}, J. Nat. Sci. Heilongjiang Univ. 25, No. 2, 141--143, 148 (2008; Zbl 1199.54053)
Sun, Bo; Wu, Congxin Fuzzy measure on locally compact Hausdorff space. (Chinese. English summary) Zbl 1150.28304 J. Nat. Sci. Heilongjiang Univ. 24, No. 6, 728-730, 735 (2007). MSC: 28A78 03E72 PDFBibTeX XMLCite \textit{B. Sun} and \textit{C. Wu}, J. Nat. Sci. Heilongjiang Univ. 24, No. 6, 728--730, 735 (2007; Zbl 1150.28304)
Wu, Congxin; Xiong, Qicai The absolute uniform convergence for the series of fuzzy valued functions. (Chinese. English summary) Zbl 1150.26357 J. Nat. Sci. Heilongjiang Univ. 24, No. 5, 572-575 (2007). MSC: 26E50 03E72 PDFBibTeX XMLCite \textit{C. Wu} and \textit{Q. Xiong}, J. Nat. Sci. Heilongjiang Univ. 24, No. 5, 572--575 (2007; Zbl 1150.26357)
Chen, Minghao; Zhang, Yanhuan; Wu, Congxin Some research on the solution to initial value problem of fuzzy differential equations. (Chinese. English summary) Zbl 1150.34304 J. Nat. Sci. Heilongjiang Univ. 24, No. 5, 621-623, 627 (2007). MSC: 34A12 03E72 26E50 PDFBibTeX XMLCite \textit{M. Chen} et al., J. Nat. Sci. Heilongjiang Univ. 24, No. 5, 621--623, 627 (2007; Zbl 1150.34304)
Zhang, Ya; Wu, Congxin Boundedness of the set of infinite matrix transformations on convergence-free space. (Chinese. English summary) Zbl 1150.54338 J. Nat. Sci. Heilongjiang Univ. 24, No. 4, 503-507 (2007). MSC: 54D55 54A20 PDFBibTeX XMLCite \textit{Y. Zhang} and \textit{C. Wu}, J. Nat. Sci. Heilongjiang Univ. 24, No. 4, 503--507 (2007; Zbl 1150.54338)
Zhao, Liang; Wu, Congxin Exposed points in Musielak-Orlicz sequence spaces endowed with the Orlicz norm. (Chinese. English summary) Zbl 1110.46303 J. Nat. Sci. Heilongjiang Univ. 23, No. 2, 184-187 (2006). MSC: 46B20 46B45 PDFBibTeX XMLCite \textit{L. Zhao} and \textit{C. Wu}, J. Nat. Sci. Heilongjiang Univ. 23, No. 2, 184--187 (2006; Zbl 1110.46303)
Huang, Yuanfeng; Wu, Congxin The continuity, differentiability and integrability of abstract functions on convergence-free sequence spaces. (Chinese. English summary) Zbl 1107.46301 J. Nat. Sci. Heilongjiang Univ. 23, No. 3, 341-344 (2006). MSC: 46A45 26E15 PDFBibTeX XMLCite \textit{Y. Huang} and \textit{C. Wu}, J. Nat. Sci. Heilongjiang Univ. 23, No. 3, 341--344 (2006; Zbl 1107.46301)
Wu, Congxin; Qiu, Jun Distributions of discrete random variables and several types of Toeplitz matrices. (Chinese. English summary) Zbl 1081.60504 J. Nat. Sci. Heilongjiang Univ. 22, No. 2, 154-157 (2005). MSC: 60E05 PDFBibTeX XMLCite \textit{C. Wu} and \textit{J. Qiu}, J. Nat. Sci. Heilongjiang Univ. 22, No. 2, 154--157 (2005; Zbl 1081.60504)
Wu, Congxin; Zhu, Zhigang Notes on the absolute value for fuzzy numbers. (English) Zbl 1070.03529 J. Nat. Sci. Heilongjiang Univ. 21, No. 1, 1-5 (2004). MSC: 03E72 PDFBibTeX XMLCite \textit{C. Wu} and \textit{Z. Zhu}, J. Nat. Sci. Heilongjiang Univ. 21, No. 1, 1--5 (2004; Zbl 1070.03529)
Huang, Yan; Wu, Congxin (N) fuzzy integral on fuzzy set. (English) Zbl 1047.28013 J. Nat. Sci. Heilongjiang Univ. 20, No. 3, 1-5 (2003). MSC: 28E10 PDFBibTeX XMLCite \textit{Y. Huang} and \textit{C. Wu}, J. Nat. Sci. Heilongjiang Univ. 20, No. 3, 1--5 (2003; Zbl 1047.28013)
Magassy, Ousmane; Wu, Congxin Notes on the limit of complex fuzzy functions. (English) Zbl 1051.30504 J. Nat. Sci. Heilongjiang Univ. 20, No. 1, 1-7 (2003). MSC: 30G35 PDFBibTeX XMLCite \textit{O. Magassy} and \textit{C. Wu}, J. Nat. Sci. Heilongjiang Univ. 20, No. 1, 1--7 (2003; Zbl 1051.30504)
Wu, Congxin; Bu, Qingying Vector-valued sequence space \(\Lambda[X]\) and its Köthe dual. III: The GAK-property and convergence of sequences. (Chinese. English summary) Zbl 1075.46504 Heilongjiangdaxue Ziran Kexue Xuebao 12, No. 4, 11-17 (1995). MSC: 46A45 40J05 46E40 PDFBibTeX XMLCite \textit{C. Wu} and \textit{Q. Bu}, J. Nat. Sci. Heilongjiang Univ. 12, No. 4, 11--17 (1995; Zbl 1075.46504)