个人简历

1998.09—2002.07 太原理工大学信息与计算科学专业学习，获理学学士学位
2002.09—2005.07 大连理工大学计算数学专业学习，获理学硕士学位
2005.07—至今 太原科技大学应用科学学院教师
2011.09—2017.09 大连理工大学基础数学专业学习，获理学博士学位

研究领域

代数图论

近期论文

1.H.X. Zhang, Y. Wang, The minimal Laplacian spectral radius of trees with diameter 4, Theoretical Computer Science, 2017, 657: 191--195.
2.H.X. Zhang, Y. Wang, On the maximum Laplacian Estrada index of graphs, Linear Algebra and Its Applications, 2016, 492: 68-77.
3.H.X. Zhang, The largest Laplacian spectral radius of unicyclic graphs with fixed diameter, Journal of Applied Mathematics, 2013, 4: 1-13.
4.H.X. Zhang, The Laplacian spectral radius of a class of unicyclic graphs, Journal of Applied Mathematics, 2013, 2: 1-6.
5.Y. Wang, H.X. Zhang, B.X. Zhu, Asymptotic normality of Laplacian coefficients of graphs, Journal of Mathematical Analysis and Applications, 2017, 455: 2030-2037.
6. H. Sun, Y. Wang, H.X. Zhang, Polynomials with palindromic and unimodal coefficients, Acta Mathematical Scientia , 2016, 31(4): 565-575.
7. 张海霞,按Laplace谱半径对一些偶单圈图的排序,大连理工大学学报, 2014, 54(1): 152-156.
8. 张海霞,按Laplace谱半径对圈长和阶数固定的单圈图的排序,大连理工大学学报, 2013, 53 (1): 145-150.