Submissions should be submitted only via our website submission.
In order to speed up the review and publication processes all communications between the authors and the journal will be done electronically.
 Y. Saad, Iterative methods for sparse linear systems, PWS press, New York, 1995.
 Z.-Z Bai, G.H. Golub and M.K. Ng, Hermitian and skew-Hermitian splitting methods for non-Hermitian positive definite linear systems, SIAM. J. Matrix Anal. Appl. 24 (2003) 603–626.
 J. Palmer, Conjugate direction methods and parallel computing, Ph.D. Thesis, Stanford University, Stanford, CA, 1974.
Conflict of Interest declaration and author agreement form: Declaration of interests
Copyright transfer agreement: Copyright Agreement