Wang, Guizhen A note on trace polynomial. (English) Zbl 1174.68474 Tsinghua Sci. Technol. 12, No. 4, 479-484 (2007). MSC: 68R15 PDFBibTeX XMLCite \textit{G. Wang}, Tsinghua Sci. Technol. 12, No. 4, 479--484 (2007; Zbl 1174.68474) Full Text: DOI
Katayama, Shin-ichi; Kishi, Yasuhiro Infinite family of imaginary cyclic fields of degree \(p-1\) with the \(p\)-rank of a ideal class groups of at least two. (English) Zbl 1174.11090 Tsinghua Sci. Technol. 12, No. 4, 475-478 (2007). MSC: 11R29 11R20 PDFBibTeX XMLCite \textit{S.-i. Katayama} and \textit{Y. Kishi}, Tsinghua Sci. Technol. 12, No. 4, 475--478 (2007; Zbl 1174.11090) Full Text: DOI
Zhao, Xiaobo; Qiu, Minmin Information sharing in a multi-echelon inventory system. (English) Zbl 1174.90329 Tsinghua Sci. Technol. 12, No. 4, 466-474 (2007). MSC: 90B05 90C40 PDFBibTeX XMLCite \textit{X. Zhao} and \textit{M. Qiu}, Tsinghua Sci. Technol. 12, No. 4, 466--474 (2007; Zbl 1174.90329) Full Text: DOI
Ding, Chao; Cheng, Ye; He, Miao Two-level genetic algorithm for clustered traveling salesman problem with application in large-scale TSPs. (English) Zbl 1174.90863 Tsinghua Sci. Technol. 12, No. 4, 459-465 (2007). MSC: 90C35 90C59 PDFBibTeX XMLCite \textit{C. Ding} et al., Tsinghua Sci. Technol. 12, No. 4, 459--465 (2007; Zbl 1174.90863) Full Text: DOI