Authors: Belardo, Francesco
Li Marzi, Enzo
Simić, Slobodan 
Title: Signed line graphs with least eigenvalue -2: The star complement technique
Journal: Discrete Applied Mathematics
Volume: 207
First page: 29
Last page: 38
Issue Date: 10-Jul-2016
Rank: M22
ISSN: 0166-218X
DOI: 10.1016/j.dam.2016.02.018
Abstract: 
We use star complement technique to construct a basis for -2 of signed line graphs using their root signed graphs. In other words, we offer a generalization of the corresponding results known in the literature for (unsigned) graphs in the context of line graphs and generalized line graphs.
Keywords: Eigenspaces | Eigenvector | Line graph | Signed graph | Star complement
Publisher: Elsevier
Project: University of Primorska, the operation n. 3330-14-500033
Graph theory and mathematical programming with applications in chemistry and computer science 
PRIN 2012 (2012XZE22K) “Strutture Geometriche, Combinatoria e loro Applicazioni”

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