Zhang, Xiufu; Hu, Xiuling Derivations of the deformation Schrödinger-Virasoro algebra. (Chinese. English summary) Zbl 1212.17012 J. Xuzhou Norm. Univ., Nat. Sci. 27, No. 1, 25-29 (2009). MSC: 17B40 17B68 PDFBibTeX XMLCite \textit{X. Zhang} and \textit{X. Hu}, J. Xuzhou Norm. Univ., Nat. Sci. 27, No. 1, 25--29 (2009; Zbl 1212.17012)
Hu, Xiuling; Zhang, Xiufu Nilpotent matrix and nilpotent linear transformation. (Chinese. English summary) Zbl 1111.15021 J. Xuzhou Norm. Univ., Nat. Sci. 24, No. 4, 17-18, 63 (2006). MSC: 15A30 15A04 15A03 15B57 16N40 PDFBibTeX XMLCite \textit{X. Hu} and \textit{X. Zhang}, J. Xuzhou Norm. Univ., Nat. Sci. 24, No. 4, 17--18, 63 (2006; Zbl 1111.15021)