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

代数图论

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.