INVESTIGADORES
JAUME Daniel Alejandro
artículos
Título:
Drazin inverse of singular adjacency matrices of directed weighted cycles
Autor/es:
ENCINAS, ANDRES M; JAUME, DANIEL A.; PANELO, CRISTIAN; PASTINE, ADRIÁN
Revista:
REVISTA DE LA UNIóN MATEMáTICA ARGENTINA
Editorial:
UNION MATEMATICA ARGENTINA
Referencias:
Lugar: Bahía Blanca; Año: 2019
ISSN:
0041-6932
Resumen:
We present a necessary and sufficient condition for the singularity of circulant matrices associated with directed weighted cycles. This condition is  simple and  independent of the order of matrices from a complexity point of view. We give explicit and simple formulas for the Drazin inverse of these circulant matrices. A Bjerhammar-type condition for Drazin inverse is also given.Circulant matrix, Drazin inverse, Directed weighted cycles