Parallel m-step preconditioners for the conjugate gradient method. - Cristina Corral; Isabel Giménez; José Marín; José Mas (Parallel Comput., 1999)

Schur complement of general H-matrices. - Rafael Bru; Cristina Corral; Isabel Giménez; José Mas (Numer. Linear Algebra Appl., 2009)

Nonnegative Combined Matrices. - Rafael Bru; María T. Gassó; Isabel Giménez; Máximo Santana (J. Appl. Math., 2014)

The Hadamard Product of a Nonsingular General H-Matrix and Its Inverse Transpose Is Diagonally Dominant. - Rafael Bru; María T. Gassó; Isabel Giménez; José A. Scott (J. Appl. Math., 2015)