Abstract
It is shown that the line graph of the complete tripartite graphKn,n,n is characterized by the spectrum of its adjacency matrix.
† The work of this author was supported (in part) by the Army Research Office under Contract DAHC04-74C-0007
† The work of this author was supported (in part) by the Army Research Office under Contract DAHC04-74C-0007
Notes
† The work of this author was supported (in part) by the Army Research Office under Contract DAHC04-74C-0007