W. Hackbusch

H-Matrix Methods for Quadratic Integral Operators appearing in Population Balances (2008)

Koch, J., Hackbusch, W., Sundmacher, K.

H-matrix methods for linear and quasi-linear integral appearing in population balances (2007)

Koch, J., Hackbusch, W., Sundmacher, K.

Simulation of the population balance for droplet breakage in a liquid-liquid stirred tank reactor using H-matrix methods (2006)

Koch, J., Hackbusch, W., Sundmacher, K.

Efficient Computation of Lead Field Bases and Influence Matrix for the FEM-based EEG and MEG Inverse Problem (2004)

Wolters,C. H., Grasedyck,L., Anwander,A., Hackbusch,W.

Efficient Computation of Lead Field Bases and Influence Matrix for the FEM-based EEG and MEG Inverse Problem (2004)

Wolters,C. H., Grasedyck,L., Anwander,A., Hackbusch,W.

Efficient Computation of Lead Field Bases and Influence Matrix for the FEM-based EEG and MEG Inverse Problem (2004)

Wolters, C. H., Grasedyck, L., Anwander, A., Hackbusch, W.

Efficient Computation of Lead Field Bases and Influence Matrix for the FEM-based EEG and MEG Inverse Problem (2004)

Wolters, Carsten Hermann, Grasedyck, L., Anwander, Alfred, Hackbusch, W.

H-matrix approximation for the operator exponential with applications (2002)

Gavrilyuk,I. P., Hackbusch,W., Khoromskij,B. N.

H²-matrix approximation of integral operators by interpolation (2002)

Hackbusch,W., Börm,S.

Data-sparse approximation by adaptive H²-matrices (2002)

Hackbusch,W., Börm,S.

An introduction to hierarchical matrices (2002)

Hackbusch,W., Grasedyck,L., Börm,S.

Wavelet approximation of correlated wave functions. II. Hyperbolic wavelets and adaptive approximation schemes (2002)

Luo,H., Kolb,D., Hackbusch,W., Koprucki,T.

Wavelet approximation of correlated wave functions. I. Basics (2002)

Hackbusch,W., Kolb,D., Schneider,R.

Blended kernel approximation in the H-matrix techniques (2002)

Hackbusch,W., Khoromskij,B. N.

H-matrix approximation for the operator exponential with applications (2002)

Gavrilyuk, I. P., Hackbusch, W., Khoromskij, B. N.

H²-matrix approximation of integral operators by interpolation (2002)

Hackbusch, W., Börm, S.

An introduction to hierarchical matrices (2002)

Hackbusch, W., Grasedyck, L., Börm, S.

Wavelet approximation of correlated wave functions. II. Hyperbolic wavelets and adaptive approximation schemes (2002)

Luo, H., Kolb, D., Hackbusch, W., Koprucki, T.

Wavelet approximation of correlated wave functions. I. Basics (2002)

Hackbusch, W., Kolb, D., Schneider, R.

Blended kernel approximation in the H-matrix techniques (2002)

Hackbusch, W., Khoromskij, B. N.

Proceedings of the 18th GAMM Seminar on Multigrid and Related Methods for Optimisation Problems (2002)

Griebel, M., Hackbusch, W.

Data-sparse approximation by adaptive H²-matrices (2002)

Hackbusch, W., Börm, S.

Direct integration of the Newton potential over cubes (2002)

Hackbusch, W.

Adaptive Refinement and Clustering of H-Matrices (2001)

L. Grasedyck, W. Hackbusch, S. Le Borne

In [4], a class of (data-sparse) H-matrices is introduced which allows an approximate matrix arithmetic of nearly optimal complexity. In several subsequent papers (e.g., [5], [6]), H-matrices were...

Inverse Inequalities on Non-Quasiuniform Meshes and Application to the Mortar Element Method (2001)

I. G. Graham, W. Dahmen, B. Faermann, W. Hackbusch, S. A. Sauter

We present a range of mesh-dependent inequalities for piecewise constant and continuous piecewise linear finite element functions u defined on locally refined shape-regular (but possibly...

Inverse Inequalities on Non-Quasiuniform Meshes and Application to the Mortar Element Method (2001)

W. Dahmen, B. Faermann, W. Hackbusch, S. A. Sauter

We present a range of mesh-dependent inequalities for piecewise constant and continuous piecewise linear nite element functions u dened on locally rened shape-regular (but possibly non-quasiuniform)...

A sparse H-matrix arithmetic: general complexity estimates (1999)

W. Hackbusch, B. N. Khoromskij

In a preceding paper [5], a class of matrices (H-matrices) has been introduced which are data-sparse and allow an approximate matrix arithmetic of almost linear complexity. Several types of...

Fast Integration Techniques in 3D Boundary Elements (1999)

W. Hackbusch, S. A. Sauter

this paper we describe a new procedure ([2, 3]) for computing approximations to Galerkin stiffness matrices using only N

Fast Integration Techniques in 3D Boundary Elements (1998)

W. Hackbusch, S. A. Sauter

this paper we describe a new procedure ([2, 3]) for computing approximations to Galerkin stiness matrices using only N

Fast Integration Techniques in 3D Boundary Elements (1998)

W. Hackbusch, S. A. Sauter

this paper we describe a new procedure ([2, 3]) for computing approximations to Galerkin stiness matrices using only N

A New Finite Element Approach for Problems Containing Small Geometric Details (1998)

W. Hackbusch, S. Sauter

. In this paper a new finite element approach is presented which allows the discretization of PDEs on domains containing small micro-structures with extremely few degrees of freedom. The applications...

Hybrid Galerkin Boundary Elements: Theory and Implementation (1998)

W. Hackbusch, S. A. Sauter

In this paper we present a new quadrature method for computing Galerkin stiffness matrices arising from the discretisation of 3D boundary integral equations using continuous piecewise linear boundary...

Discrete Boundary Element Methods on General Meshes in 3D (1997)

I. G. Graham, W. Hackbusch, S. A. Sauter

This paper is concerned with the stability and convergence of fully discrete Galerkin methods for boundary integral equations on bounded piecewise smooth surfaces in R 3 . Our theory covers equations...

Electron scattering states at solid surfaces calculated with realistic potentials (1997)

Lorenz, S., Solterbeck, C., Schattke, W., Burmeister, J., Hackbusch, W.

Scattering states with LEED asymptotics are calculated for a general non-muffin tin potential, as e.g. for a pseudopotential with a suitable barrier and image potential part. The latter applies...

Multigrid methods II: Special topics and applications. Papers presented at the 3rd European Conference on Multigrid Methods. Bonn, October 1 - 4, 1990 (1991)

Hackbusch, W., Trottenberg, U.

Multigrid methods III: Proceedings at the Third European Conference on Multigrid Methods, held in Bonn, Germany, October 1 - 4, 1990 (1991)

Hackbusch, W., Trottenberg, U.

Multigrid methods. Special topics and applications: Papers presented at the 2nd European Conference on Multigrid Methods, Cologne, Oct. 1-4, 1985 (1986)

Trottenberg, U., Hackbusch, W.

Multigrid methods : proceedings of the conference held at Koln- Porz, November 23-27, 1981 / edited by W. Hackbusch and U. Trottenberg (1982)

Hackbusch, W, Trottenberg, U

Incluye bibliografía

Simulation of the population balance for droplet breakage in a liquid-liquid stirred tank reactor using H-matrix methods

Koch,J., Hackbusch,W., Sundmacher,K.

H-matrix methods for quadratic integral operators appearing in population balances

Koch, J., Hackbusch, W., Sundmacher, K.