Topic:Flows of Signed Graphs
Speaker: Professor Luo Rong
Event date: 12/10/2018
Event time: 15:00 p.m.
Venue: Lecture Hall 1506, Building 9
Sponsor: School of Mathematics and Statistics, Institute of Science and Technology
Abstract: Bouchet conjectured that every flow admissible signed graph admits a nowhere-zero integer 6-flow. This conjecture is still widely open. In this talk I will present some recent progresses on flows of signed graphs. Specifically I will talk about (1) the relation between modulo flows and signed graphs, (2)flows of signed graphs without long barbells, (3) an 11-flow theorem.