Wu, Hsien-Chung Duality theorems and saddle point optimality conditions in fuzzy nonlinear programming problems based on different solution concepts. (English) Zbl 1118.90061 Fuzzy Sets Syst. 158, No. 14, 1588-1607 (2007). MSC: 90C70 90C46 PDFBibTeX XMLCite \textit{H.-C. Wu}, Fuzzy Sets Syst. 158, No. 14, 1588--1607 (2007; Zbl 1118.90061) Full Text: DOI
Wu, Hsien-Chung Duality theory in fuzzy optimization problems. (English) Zbl 1059.90155 Fuzzy Optim. Decis. Mak. 3, No. 4, 345-365 (2004). MSC: 90C70 PDFBibTeX XMLCite \textit{H.-C. Wu}, Fuzzy Optim. Decis. Mak. 3, No. 4, 345--365 (2004; Zbl 1059.90155) Full Text: DOI
Wu, Hsien-Chung Saddle point optimality conditions in fuzzy optimization problems. (English) Zbl 1436.90184 Fuzzy Optim. Decis. Mak. 2, No. 3, 261-273 (2003). MSC: 90C70 90C46 PDFBibTeX XMLCite \textit{H.-C. Wu}, Fuzzy Optim. Decis. Mak. 2, No. 3, 261--273 (2003; Zbl 1436.90184) Full Text: DOI
Wu, Hsien-Chung Duality theorems in fuzzy mathematical programming problems based on the concept of necessity. (English) Zbl 1047.90082 Fuzzy Sets Syst. 139, No. 2, 363-377 (2003). MSC: 90C70 PDFBibTeX XMLCite \textit{H.-C. Wu}, Fuzzy Sets Syst. 139, No. 2, 363--377 (2003; Zbl 1047.90082) Full Text: DOI