TY  - JOUR 
AU  - Marijuán López, Carlos
AU  - Pisonero Pérez, Miriam
PY  - 2018
SN  - 1571-0653
UR  - http://uvadoc.uva.es/handle/10324/35985
AB  - The problem of characterizing the real spectra of weighted graphs is only solved
for weighted graphs of order n ≤ 4. We overview these known results, that come
from the context of nonnegative matrices, and give a new method to rule out...
LA  - eng
PB  - Elsevier
KW  - Weighted graphs
KW  - Grafos ponderados
KW  - Adjacency matrix
KW  - Matriz de adyacencia
KW  - Eigenvalue problems
KW  - Problemas de valor propio
TI  - On spectra of weighted graphs of order ≤5
DO  - https://doi.org/10.1016/j.endm.2018.06.017
ER  -