男，教授，博士，博士生导师。1971年生，安徽无为人。
1995年和1998年获得安徽大学学士和硕士学位。
1998年至今在安徽大学数学与计算科学学院任教。
2001年获得中国科学与技术大学理学博士学位，同年聘为安徽大学讲师职务。
2003年破格聘为安徽大学教授职务。
2003－2005年在南京师范大学从事博士后研究工作。
2004年安徽大学硕士生导师，2006年安徽大学博士生导师。
2006年安徽大学数学与计算科学学院副院长。
2007年入选安徽省第五批学术技术带头人后备人选 。
学位和职务：
1. 学士学位(1995), 安徽大学。
硕士学位(1998), 安徽大学；导师：杨尚骏教授，安徽大学数学与计算科学学院；
博士学位(2001), 中国科学与技术大学；导师：李炯生教授，中国科学与技术大学数学系；
博士后(2003-2005), 南京师范大学；导师：陈永高教授，南京师范大学数学系。
2. 目前职务： 安徽大学数学与计算科学学院教授，博（硕）士生导师；安徽大学数学与计算科学学院副院长。
2002年安徽省高校优秀中青年骨干教师,
2003—2004年度安徽大学教书育人先进个人称号，
2005年安徽大学十佳优秀青年教师称号。
科研：
1．研究领域：代数图论，谱图理论，组合矩阵论，复杂网络，计算机视觉以及化学中的图论问题。
2．科研项目：
[1] 图的Laplace谱理论及其在计算机视觉中的应用（主持），国家自然科学基金，10601001，2007-2009。
[2] 谱图理论及其应用（主持），安徽省自然科学基金项目，050460102, 2005-2007。
[3] 混和图的谱理论（主持），安徽省高校优秀中青年骨干教师资助项目，2003-2006.
[4] 基于谱图理论点模式描述下的形状匹配（参与），安徽省自然科学基金项目，070412065, 2007-2009。
[5] 基于图像的三维物体建模系统研究（参与）， 安徽省教育厅自然科学研究重点项目，2005KJ005ZD, 2005-2007。
3．社会工作：SCI源期刊 Discrete Mathematics, Ars Combinatoria，Linear Algebra Appl.，Linear & Multilinear Algebra, Graphs and Combinatorics，Journal of Computational and Applied Mathematics 等期刊的审稿人，
4.主要论文 (Main Publications)：
[-8]Yi-Zheng Fan, Bit-Shun Tam, Jun Zhou, Maximizing spectral radius of unoriented Laplaican matrix over bicyclic graphs of a given order, Linear and Multilinear Algebra, 2008, 56(4), 381-397. PDF file
[-7] Bit-Shun Tam, Yi-Zheng Fan, Jun Zhou, Unoriented Laplacian maximizing graphs are degree maximal, Linear Algebra and its Applications, 2008, 429, 4, 735-758, PDF file
[-6] Yi-Zheng Fan, Yi Wang, Yu-Bin Gao, Minimizing the least eigenvalues of unicyclic graphs with application to spectral spread, Linear Algebra and its Applications, 2008, 429, 2-3, 577-588, PDF file
[-5] Yi-Zheng Fan, Jing Xu, Yi Wang, Dong Liang, The Laplacian Spread of a Tree, Discrete Mathematics and Theoretical Computer Science, 10(1)2008, 79-86, PDF file
[-4]Ying Ying TAN, Yi-Zheng Fan, On Edge Singularity and Eigenvectors of Mixed Graphs, Acta Mathematica Sinica, English Series, 2008, Vol. 24, No. 1, 139–146, PDF file
[-3]Yi-Zheng Fan, ON EIGENVECTORS OF MIXED GRAPHS WITH EXACTLY ONE NONSINGULAR CYCLE, Czechoslovak Mathematical Journal, 57 (132) (2007), 1215–1222, PDF file
[-2] Yi-Zheng Fan, Hai-Yan Hong, Shi-Cai Gong, Yi Wang,order unicyclic mixed graphs by spectral radius, Australasian Journal of Combinatorics,37(2007),305-316, PDF file
[-1] Yi-Zheng Fan, Shi-Cai Gong, Jun Zhou, Ying-Ying Tan, Yi Wang, Nonsingular mixed graphs with few eigenvalues greater than two, European Journal of Combinatorics, 28 (2007) 1694–1702, PDF file
[0]Yi-Zheng Fan, Shi-Cai Gong, Yi Wang, Yu-Bin Gao, On trees with exactly one characteristic element,Linear Algebra and its Applications, 421(2007), 233-242, PDF file
[1] Pan, Yong-Liang; Fan, Yi-Zheng; Li, Jiong-Sheng Spectral rational variation in two places for adjacency matrix is impossible. Linear Algebra Appl. 404 (2005), 275--282. SCI, EI. PDF file
[2] Fan, Yizheng A relation between the matching number and Laplacian spectrum of a tree. J. Syst. Sci. Complex. 18 (2005), no. 2, 174--178. PDF file
[3] Fan, Yi-Zheng On the least eigenvalue of a unicyclic mixed graph. Linear Multilinear Algebra 53 (2005), no. 2, 97--113.SCI. PDF file
[5] Fan, Yi-Zheng On Laplacian spectral perturbations of trees. J. Univ. Sci. Technol. China 34 (2004), no. 6, 647--654. PDF file
[6] Fan, Yi-zheng On the eigenvalue two and matching number of a tree. Acta Math. Appl. Sin. Engl. Ser. 20 (2004), no. 2, 257--262. PDF file
[7] Fan, Yizheng Largest eigenvalue of a unicyclic mixed graph. Appl. Math. J. Chinese Univ. Ser. B 19 (2004), no. 2, 140--148. PDF file
[8] Fan, Yizheng A new proof of Fiedler's inequality on the algebraic connectivity of trees. J. Math. Study 36 (2003), no. 4, 379--383. PDF file
[9] Fan, Yi-Zheng On spectral integral variations of mixed graphs. Linear Algebra Appl. 374 (2003), 307--316. SCI, EI. PDF file
[10] Yizheng, Fan Spectral integral variations of degree maximal graphs. Linear Multilinear Algebra 51 (2003), no. 2, 147--154. SCI. PDF file
[11] Fan, Yizheng; Li, Jiongsheng On graphs with small number of Laplacian eigenvalues greater than two. Linear Algebra Appl. 360 (2003), 207--213. SCI, EI. PDF file
[12] Fan, Yi-Zheng; Li, Jiong-Sheng Algebraic multiplicity of the eigenvalues of a bipartite tournament matrix. SIAM J. Matrix Anal. Appl. 24 (2002), no. 2, 475--483 (electronic). SCI. PDF file
[13] Fan, Yi Zheng Inertia and some interlacing properties for the Schur complement of a symmetric $Z$-matrix. (Chinese) Math. Numer. Sin. 24 (2002), no. 2, 157--164. PDF file
[14] Fan, Yizheng Schur complements and its applications to symmetric nonnegative and $Z$-matrices. Linear Algebra Appl. 353 (2002), 289--307. SCI, EI. PDF file
[15] Li, Jiong-sheng; Fan, Yi-zheng Note on the algebraic connectivity of a graph. J. Univ. Sci. Technol. China 32 (2002), no. 1, 1--6. PDF file
[16] Yizheng, Fan On spectral integral variations of graphs. Linear Multilinear Algebra 50 (2002), no. 2, 133--142.SCI. PDF file
