References

M. Benzi. Preconditioning techniques for large linear systems: A survey. Journal of Computational Physics, 182(2):418 477, 2002.

C. Janna and M. Ferronato. Adaptive pattern research for block FSAI preconditioning. SIAM J. Sci. Comput., 33, 2011.

C. Janna, M. Ferronato, F. Sartoretto, and G. Gambolati. FSAIPACK: A software package for high-performance factored sparse approximate inverse preconditioning. ACM Trans. Math. Softw., 41(2):10:110:26, February 2015.