A generalized eigensolver based on smoothed aggregation (GES-SA) for initializing smoothed aggregation (SA) multigrid.
Marian BrezinaThomas A. ManteuffelStephen F. McCormickJohn W. RugeGeoffrey SandersPanayot S. VassilevskiPublished in: Numer. Linear Algebra Appl. (2008)