M. J. Hagger

Two grid iteration with a conjugate gradient fine grid smoother applied to a groundwater flow model

M. J. Hagger, A. Spence, K. A. Cliffe, 1994 .

Unstructured Additive Schwarz-Conjugate Gradient Method for Elliptic Problems with Highly Discontinuous Coefficients

Ian G. Graham, M. J. Hagger, I. Graham, 1999, SIAM J. Sci. Comput..

Automatic domain decomposition on unstructured grids (DOUG)

M. J. Hagger, 1998, Advances in Computational Mathematics.

Additive Schwarz, Cg and Discontinuous Coeecients

M. J. Hagger, G. Graham, 1997 .