The construction of projection vectors for a deflated ICCG method applied to problems with extreme contrasts in the coefficients

The construction of projection vectors for a deflated ICCG method applied to problems with extreme contrasts in the coefficients

Deflated ICCG applied to problems with extreme contrasts in the coefficients

An efficient preconditioned CG method for the solution of a class of layered problems with extreme contrasts in the coefficients

The construction of projection vectors for a deflated ICCG method used in problems with a layered structure