 
 
 Personal Information
 
 Name: Zhiquan HU, Professor   
 
 
Address: Faculty of Mathematics and Statistics, Central China Normal University, Wuhan, 430079, China   
 
Research Field: Graph Theory  
 
 Office: Room 428, Building 6  
 
 
E-mail:hu_zhiq@aliyun.com       
 
 
Phone: 86-27-87386871   
         
 
 
Education
 
 
  -  Ph.D. Mathematics (Majoring in Graph Theory), Academy of Mathematics and Systems Sciences, Chinese Academy of Sciences, 2001. Dissertation: Some Results Related to Cycles in Graphs. Advisor: Professor Feng TIAN. 
-  M.A.Mathematics (Majoring in Operations Research), Central China Normal University, 1984. 
-  B.A.Mathematics, Central China Normal University, 1982. 
Research Interests and Current Research Works My research is mainly concerned with graph structure theory. I have published more than twenty papers on this subject, five of which appear in    
 
Journal of Combinatorial Theory Series Band   
 
Journal of Graph Theory. I have proved three conjectures on long cycle of graphs, one of which is proposed by Enomoto et al.  I also study graph algorithms and have proposed a strongly polynomial algorithm for the inverse shortest arborescence problem as well as a polynomial algorithm for the colorings of perfect circular arc graphs. Currently, my research is focused on the cycle structure, the path structure and the tree structure of graphs.   
      
 
 
Academic Visits
 
 
  -  Jan. 1—March 31, 2012: Visiting Professor; Department of Mathematics, the University of Hong Kong, Hong Kong. 
-  Jan. 1—May 20, 2011: Visiting Professor; Department of Mathematics and Statistics, Georgia State University, U. S. A. 
-  Nov. 16—Dec. 15, 2009: Visiting Professor; Department of Mathematics, The Hong Kong University of Science and Technology, Hong Kong 
-  June 24,2002—Apr. 20, 2003: Post-doctor, Laboratoire de Recherche en Informatique, UMR 8623 du CNRS, Universite Paris-Sud, France 
-  March 2002—May 2002: Visiting scholar; Department of Mathematics, the University of Hong Kong, Hong Kong