科研項目
1. 關(guān)于結(jié)構(gòu)矩陣與插值問題的研究,國家自然科學(xué)基金面上項目,2003.1--2005.12,主持人,已結(jié)題。
2. 特殊矩陣與多項式和矩陣多項式的慣性問題,國家自然科學(xué)基金面上項目,2011.1--2013.12,副主持人。
3. 數(shù)學(xué)專業(yè)基礎(chǔ)課程建設(shè),中國農(nóng)業(yè)大學(xué)第三批基礎(chǔ)課程建設(shè)項目,2011.5--2013.5,主持人。
4. 博士生<<現(xiàn)代數(shù)學(xué)>>課程的教學(xué)改革研究,研究生教改項目,2008.1--2008.12,主持人,已結(jié)題。
5. 高等數(shù)學(xué)學(xué)習(xí)指導(dǎo),王來生 主編, 中國農(nóng)業(yè)大學(xué)出版社,2005年10月 第一版。
學(xué)術(shù)成果
發(fā)表論文
[1] Binfei Cui and Zhenghong Yang, A triangular factorization formulafor the Chebyshev-Bezout matrix, Proceeding of the Sixth International Conference of Matrices and Operators,Volume 2, 72-76(2011). (EI)
[2] Zhengzhi Zhang, Zhenghong Yang, Chen Li,Displacement structure approach to q-adic polynomial-Vandermonde and related matrices, Linear Algebra and its Applications 433 (2010) 319u2013332。 SCI
[3] Huazhang Wu , Zhenghong Yang, More on polynomial Bezoutians with respect to a general basis, ELECTRONIC Journal of LINEAR ALGEBRA,
Volume 21 (2010), pp. 154-171. SCI
[4] Zhenghong Yang, Chen Li,Zhengzhi Zhang, Displacement structure approach to q-adic Chebyshev-Vandermonde-like matrices, Linear Algebra and its Applications 430 (2009) 2906u20132921。 SCI
[5] Zhenghong Yang and Yongjian Hu, Displacement structures and fast inversion formulas for q-adic Vandermonde-like matrices, Journal of Computational and Applied Mathematics, 176(2006), 1, 1-14. (SCI)
[6] Yongjian Hu and Zhenghong Yang, Generalized Hermite formula for the two-sided Lagrange-Sylvester interpolation, Journal of Computational and Applied Mathematics, 173(2005), 2, 345-458. (SCI)
[7] Yongjian Hu, Xiuping Zhang and Zhenghong Yang, Mixed mean inequalities for serveral positive definite matrices, Linear Algebra and its Applications, 395(2005),247-263. (SCI)
[8] Zhenghong Yang, Yongjian Hu, Displacement structures and fast inversion formulas for Confluent polynomial Vandermonde-like matrices, Journal of Computational and Applied Mathematics, 177(2005),1, 1-17. (SCI)
[9] Yongjian Hu, Zhenghong Yang and Gongning Chen, Tangential Nevanlinna-Pick interpolation and its connection with Hamburger matrix moment problem, Integral Equations and Operator Theory, 49(2004), no.4, 445-460. (SCI)
[10] Zhenghong Yang and Yongjian Hu, Confluent polynomial Vandermonde-like matrices: displacement structure, inversion formula and fast algorithm, Linear Algebra and its Applications, 382(2004), 61-82. (SCI)
[11] Zhenghong Yang and Yongjian Hu, A generalized Bezoutian matrix with respect to a polynomial sequence of interpolatory type, IEEE Transactions on Automatic Control, 49(2004), no.10, 1783-1789. (SCI, EI)
[12] Zhenghong Yang, Generalized-confluent Cauchy-Vandermonde matrices: displacement structures, inversion formulas and tangential interpolations, Journal of Computational and Applied Mathematics 154(2003), 355—371. (SCI)
[13] Yang Zhenghong and Hu Yongjian, Displacement structure approach to Cauchy and Cauchy-Vandermonde matrices: inversion formulas and fast algorithms, Journal of Computational and Applied Mathematics 138(2002), 259—272. (SCI)
[14] Yang Zhenghong, Polynomial Bezoutian matrix with respect to a general basis, Linear Algebra and its Applications 331(2001), 165—179. (SCI)
[15] Yang Zhenghong and Chen Gongning, Generalized-confluent Cauchy and Cauchy-Vandermonde matrices, Linear Algebra and its Applications 308(2000), 31—64. (SCI)
[16] Chen Gongning and Yang Zhenghong, Bezoutian representation via Vandermonde matrices, Linear Algebra Appl. 186(1993), 37—44
[17] 楊正洪,陳公寧等, 帶重點的廣義Cauchy矩陣及其相關(guān)問題, 數(shù)學(xué)學(xué)報,Vol.45,No.5, 1017—1024, 2002。
[18] 楊正洪,具有預(yù)先給定極點的有理函數(shù)插值問題的Hermite型插值公式,中國農(nóng)業(yè)大學(xué)學(xué)報,Vol.7,No.6, 1-4, 2002.
代表著作
1. 矩陣?yán)碚撆c應(yīng)用,陳公寧 編著,科學(xué)出版社,2007年8月, 第二版。
2. Nevanlinna-Pick 插值和矩量問題, 陳公寧 胡永建 編著, 北京師范大學(xué)出版社,2003年5月,第一版。
3. 高等數(shù)學(xué)學(xué)習(xí)指導(dǎo),王來生 主編, 中國農(nóng)業(yè)大學(xué)出版社,2005年10月 第一版。
教學(xué)工作
長期擔(dān)任高等數(shù)學(xué)、線性代數(shù)、離散數(shù)學(xué)、復(fù)變函數(shù)與積分變換,以及數(shù)學(xué)專業(yè)的高等代數(shù)、抽象代數(shù)的基礎(chǔ)課教學(xué)工作,還有研究生的現(xiàn)代數(shù)學(xué)、矩陣?yán)碚摰慕虒W(xué)工作。