A class of inverse M -matrices. Nabben, Reinhard — 2000 ELA. The Electronic Journal of Linear Algebra [electronic only]
On algebraic multilevel methods for non-symmetric systems - convergence results. Mense, Christian; Nabben, Reinhard — 2008 ETNA. Electronic Transactions on Numerical Analysis [electronic only]
On a multilevel Krylov method for the Helmholtz equation preconditioned by shifted Laplacian. Erlangga, Yogi A.; Nabben, Reinhard — 2008 ETNA. Electronic Transactions on Numerical Analysis [electronic only]
On a class of matrices which arise in the numerical solution of Euler equations. Reinhard Nabben — 1992 Numerische Mathematik
An algorithm for determining if the inverse of a strictly diagonally dominant Stieltjes matrix is strictly ultrametric. Richard S. Varga; Reinhard Nabben — 1993 Numerische Mathematik