Authors: Hoffmann, W Schatz, AH Wahlbin, LB Wittum, G

Citation: W. Hoffmann et al., Asymptotically exact a posteriori estimators for the pointwise gradient error on each element in irregular meshes. Part 1: A smooth problem and globally quasi-uniform meshes, MATH COMPUT, 70(235), 2001, pp. 897-909

Authors: Ginzburg, I Wittum, G

Citation: I. Ginzburg et G. Wittum, Two-phase flows on interface refined grids modeled with VOF, staggered finite volumes, and spline interpolants, J COMPUT PH, 166(2), 2001, pp. 302-335

Authors: Neuss, N Jager, W Wittum, G

Citation: N. Neuss et al., Homogenization and multigrid, COMPUTING, 66(1), 2001, pp. 1-26

Authors: Khoromskij, BN Wittum, G

Citation: Bn. Khoromskij et G. Wittum, Robust schur complement method for strongly anisotropic elliptic equations, NUM LIN ALG, 6(8), 1999, pp. 621-653

Authors: Khoromskij, BN Mazurkevich, GE Wittum, G

Citation: Bn. Khoromskij et al., Frequency filtering for elliptic interface problems with Lagrange multipliers, SIAM J SC C, 21(2), 1999, pp. 421-440

Authors: Khoromskij, BN Wittum, G

Citation: Bn. Khoromskij et G. Wittum, An asymptotically optimal Schur complement reduction for the Stokes equation, NUMER MATH, 81(3), 1999, pp. 345-375