Auxiliary space preconditioning in H0(curl; Ω). - Ralf Hiptmair; Gisela Widmer; Jun Zou 003 (Numerische Mathematik, 2006)

Sparse adaptive finite elements for radiative transfer. - Gisela Widmer; Ralf Hiptmair; Christoph Schwab (J. Comput. Phys., 2008)