Cheng, Qiang; Xiang, Bin; Zhang, Qi-Hui; Wang, Yuan-Xu Optimization design of active cavity length for laser diode. (Chinese. English summary) Zbl 1222.78038 J. Henan Univ., Nat. Sci. 39, No. 4, 349-352 (2009). MSC: 78A60 × Cite Format Result Cite Review PDF
Hou, Yingchun; Wu, Guochang Determining set and sampling theorem in the shift invariant subspace. (Chinese. English summary) Zbl 1226.42025 J. Henan Univ., Nat. Sci. 39, No. 4, 345-348 (2009). Reviewer: Yuehua Wu (Toronto) MSC: 42C15 94A20 × Cite Format Result Cite Review PDF
Zhang, Ming-liang; Feng, Ping-hua Vague generalization of the Altman fixed point theorem. (Chinese. English summary) Zbl 1221.47103 J. Henan Univ., Nat. Sci. 39, No. 4, 343-345 (2009). MSC: 47H10 47H08 × Cite Format Result Cite Review PDF Full Text: Link
Wang, Xingyu; Xue, Guijun The comparison of the risk measuring methods based on the semi-variance and variance. (Chinese. English summary) Zbl 1259.91060 J. Henan Univ., Nat. Sci. 39, No. 4, 339-342 (2009). MSC: 91B30 62P05 × Cite Format Result Cite Review PDF
Cheng, Yongsheng; Liang, Hongwei Hom-Leibniz central extension on the \(q\)-deformed Witt algebra. (English) Zbl 1258.17018 J. Henan Univ., Nat. Sci. 39, No. 4, 335-338 (2009). MSC: 17B37 17B56 17B68 17A30 × Cite Format Result Cite Review PDF
Liu, Mingfang; Chen, Shaochun; Xiao, Liuchao An energy-orthogonal rectangular plate element with 12 parameters. (Chinese. English summary) Zbl 1259.74020 J. Henan Univ., Nat. Sci. 39, No. 4, 331-334 (2009). MSC: 74K20 × Cite Format Result Cite Review PDF