Homology and homotopy of finite graphs

TitleHomology and homotopy of finite graphs

 

Speaker: Prof. Alexander Grigor'yan (University of Bielefeld, Germany)

 

Date:  16:00-17:00 pm, December 3, 2014

 

Place: Conference Room A304, Department of Mathematical Sciences

 

Abstract: We introduce the notions of homology and homotopy for digraphs (directed graphs) and present their basic properties. In particular, homology groups are homotopy invariant, and the first homology group is abelization of the fundamental group.

 

ContactJiaxin Hu