José Ygnacio Vélez Cerrada

According to our database, José Ygnacio Vélez Cerrada authored at least 5 papers between 2004 and 2009.

Collaborative distances:

• Dijkstra number of seven.
• Erdős number of six.

2009

Error bounds for the perturbation of the Drazin inverse under some geometrical conditions.

José Ygnacio Vélez Cerrada, Juan Robles, N. Castro-González

Appl. Math. Comput., 2009

2008

Characterizations of a Class of Matrices and Perturbation of the Drazin Inverse.

N. Castro-González, Juan Robles, José Ygnacio Vélez Cerrada

SIAM J. Matrix Anal. Appl., 2008

2007

Análisis de la perturbación de la inversa de Drazin de matrices, elementos en anillos y operadores acotados en espacios de Banach.

José Ygnacio Vélez Cerrada

PhD thesis, 2007

The weighted Drazin inverse of perturbed matrices with related support idempotents.

N. Castro-González, José Ygnacio Vélez Cerrada

Appl. Math. Comput., 2007

2004

Characterizations of matrices which eigenprojections at zero are equal to a fixed perturbation.

N. Castro-González, José Ygnacio Vélez Cerrada

Appl. Math. Comput., 2004