科研项目
1. 关于结构矩阵与插值问题的研究,国家自然科学基金面上项目,2003.1--2005.12,主持人,已结题。
2. 特殊矩阵与多项式和矩阵多项式的惯性问题,国家自然科学基金面上项目,2011.1--2013.12,副主持人。
3. 数学专业基础课程建设,中国农业大学第三批基础课程建设项目,2011.5--2013.5,主持人。
4. 博士生<<现代数学>>课程的教学改革研究,研究生教改项目,2008.1--2008.12,主持人,已结题。
5. 高等数学学习指导,王来生 主编, 中国农业大学出版社,2005年10月 第一版。
学术成果
发表论文
[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] 杨正洪,陈公宁等, 带重点的广义Cauchy矩阵及其相关问题, 数学学报,Vol.45,No.5, 1017—1024, 2002。
[18] 杨正洪,具有预先给定极点的有理函数插值问题的Hermite型插值公式,中国农业大学学报,Vol.7,No.6, 1-4, 2002.
代表著作
1. 矩阵理论与应用,陈公宁 编著,科学出版社,2007年8月, 第二版。
2. Nevanlinna-Pick 插值和矩量问题, 陈公宁 胡永建 编著, 北京师范大学出版社,2003年5月,第一版。
3. 高等数学学习指导,王来生 主编, 中国农业大学出版社,2005年10月 第一版。
教学工作
长期担任高等数学、线性代数、离散数学、复变函数与积分变换,以及数学专业的高等代数、抽象代数的基础课教学工作,还有研究生的现代数学、矩阵理论的教学工作。