In this paper we give new results on domain decomposition preconditioners for GMRES when computing piecewise-linear finite-element approximations} of the Helmholtz equation $-\Delta u - (k^2+ \ri \eps)u = f$, with absorption...
In this paper we give new results on domain decomposition preconditioners for GMRES when computing piecewise-linear finite-element approximations} of the Helmholtz equation $-\Delta u - (k^2+ \ri \eps)u = f$, with absorption...