Participants : Jocelyne Erhel [correspondant] , Désiré Nuentsa Wakam.
AGMRES implements an augmented subspace approach, based on adaptive deflation, which can be used with any preconditioner for the GMRES algorithm. It also implements a Newton basis for enhancing parallelism. It will be distributed with the free software PETSC.
See also the web page http://www.irisa.fr/sage/ .