A Multigrid Method Enhanced by Krylov Subspace Iteration for Discrete Helmholtz Equations, SIAM Journal on Scientific Computing, vol.23, issue.4, pp.1291-1315, 2002. ,
DOI : 10.1137/S1064827501357190
A Novel Multigrid Based Preconditioner For Heterogeneous Helmholtz Problems, SIAM Journal on Scientific Computing, vol.27, issue.4, pp.1471-1492, 2006. ,
DOI : 10.1137/040615195
On a class of preconditioners for solving the??Helmholtz equation, Applied Numerical Mathematics, vol.50, issue.3-4, pp.409-425, 2004. ,
DOI : 10.1016/j.apnum.2004.01.009
On the indefinite Helmholtz equation: Complex stretched absorbing boundary layers, iterative analysis, and preconditioning, Journal of Computational Physics, vol.229, issue.22, pp.8384-8405, 2010. ,
DOI : 10.1016/j.jcp.2010.07.022