Multilevel algorithm for a Poisson noise removal model with total-variation regularization. - Iain S. Duff; Serge Gratton; Xavier Pinel; Xavier Vasseur (Int. J. Comput. Math., 2007)

Flexible GMRES with Deflated Restarting. - Luc Giraud; Serge Gratton; Xavier Pinel; Xavier Vasseur (SIAM J. Sci. Comput., 2010)

A perturbed two-level preconditioner for the solution of three-dimensional heterogeneous Helmholtz problems with applications to geophysics. (Un preconditionnement perturbé à deux niveaux pour la résolution de problèmes d'Helmholtz hétérogènes dans le cadre d'une application en géophysique). - Xavier Pinel (2010)

Flexible Variants of Block Restarted GMRES Methods with Application to Geophysics. - Henri Calandra; Serge Gratton; Julien Langou; Xavier Pinel; Xavier Vasseur (SIAM J. Sci. Comput., 2012)

An improved two-grid preconditioner for the solution of three-dimensional Helmholtz problems in heterogeneous media. - Henri Calandra; Serge Gratton; Xavier Pinel; Xavier Vasseur (Numer. Linear Algebra Appl., 2013)