Walter Zulehner

According to our database, Walter Zulehner authored at least 26 papers between 1996 and 2022.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2022

Matrix-free Monolithic Multigrid Methods for Stokes and Generalized Stokes Problems.

Daniel Jodlbauer, Ulrich Langer, Thomas Wick, Walter Zulehner

CoRR, 2022

A short note on inf-sup conditions for the Taylor-Hood family Q_k-Q_k-1.

Walter Zulehner

CoRR, 2022

2020

Robust Preconditioners for Multiple Saddle Point Problems and Applications to Optimal Control Problems.

Alexander Beigl, Jarle Sogn, Walter Zulehner

SIAM J. Matrix Anal. Appl., 2020

The Elasticity Complex.

Dirk Pauly, Walter Zulehner

CoRR, 2020

2018

A Decomposition Result for Kirchhoff Plate Bending Problems and a New Discretization Approach.

Katharina Rafetseder, Walter Zulehner

SIAM J. Numer. Anal., 2018

On the Analysis of Block Smoothers for Saddle Point Problems.

Daniel Drzisga, Lorenz John, Ulrich Rüde, Barbara I. Wohlmuth, Walter Zulehner

SIAM J. Matrix Anal. Appl., 2018

2015

The Ciarlet-Raviart Method for Biharmonic Problems on General Polygonal Domains: Mapping Properties and Preconditioning.

Walter Zulehner

SIAM J. Numer. Anal., 2015

2014

Spectral Analysis of Geometric Multigrid Methods for Isogeometric Analysis.

Clemens Hofreither, Walter Zulehner

Proceedings of the Numerical Methods and Applications - 8th International Conference, 2014

Mass Smoothers in Geometric Multigrid for Isogeometric Analysis.

Clemens Hofreither, Walter Zulehner

Proceedings of the Curves and Surfaces, 2014

2013

Convergence Analysis of All-at-Once Multigrid Methods for Elliptic Control Problems under Partial Elliptic Regularity.

Stefan Takacs, Walter Zulehner

SIAM J. Numer. Anal., 2013

Stability estimates and structural spectral properties of saddle point problems.

Wolfgang Krendl, Valeria Simoncini, Walter Zulehner

Numerische Mathematik, 2013

A robust finite element solver for a multiharmonic parabolic optimal control problem.

Markus Kollmann, Michael Kolmbauer, Ulrich Langer, Monika Wolfmayr, Walter Zulehner

Comput. Math. Appl., 2013

Efficient Preconditioning for an Optimal Control Problem with the Time-Periodic Stokes Equations.

Wolfgang Krendl, Valeria Simoncini, Walter Zulehner

Proceedings of the Numerical Mathematics and Advanced Applications - ENUMATH 2013, 2013

2011

A Robust Multigrid Method for Elliptic Optimal Control Problems.

Joachim Schöberl, René Simon, Walter Zulehner

SIAM J. Numer. Anal., 2011

Nonstandard Norms and Robust Estimates for Saddle Point Problems.

Walter Zulehner

SIAM J. Matrix Anal. Appl., 2011

Numerical simulation of fluid-structure interaction problems on hybrid meshes with algebraic multigrid methods.

Huidong Yang, Walter Zulehner

J. Comput. Appl. Math., 2011

Convergence analysis of multigrid methods with collective point smoothers for optimal control problems.

Stefan Takacs, Walter Zulehner

Comput. Vis. Sci., 2011

2009

On Schwarz-type smoothers for saddle point problems with applications to PDE-constrained optimization problems.

René Simon, Walter Zulehner

Numerische Mathematik, 2009

2007

Inexact Data-Sparse Boundary Element Tearing and Interconnecting Methods.

Ulrich Langer, Günther Of, Olaf Steinbach, Walter Zulehner

SIAM J. Sci. Comput., 2007

Symmetric Indefinite Preconditioners for Saddle Point Problems with Applications to PDE-Constrained Optimization Problems.

Joachim Schöberl, Walter Zulehner

SIAM J. Matrix Anal. Appl., 2007

GStokes: A Grid-enabled Solver for the 3D Stokes/Navier-Stokes System on Hybrid Meshes.

Ulrich Langer, Walter Zulehner, Huidong Yang, Markus Baumgartner

Proceedings of the 6th International Symposium on Parallel and Distributed Computing (ISPDC 2007), 2007

A robust PDE solver for the 3D Stokes/Navier-Stokes systems on the grid environment.

Huidong Yang, Walter Zulehner, Ulrich Langer, Markus Baumgartner

Proceedings of the 8th IEEE/ACM International Conference on Grid Computing (GRID 2007), 2007

2003

On Schwarz-type Smoothers for Saddle Point Problems.

Joachim Schöberl, Walter Zulehner

Numerische Mathematik, 2003

2002

Analysis of iterative methods for saddle point problems: a unified approach.

Walter Zulehner

Math. Comput., 2002

2000

A Class of Smoothers for Saddle Point Problems.

Walter Zulehner

Computing, 2000

1996

On the Smoothing Property of Multigrid Methods in the Non-symmetric Case.

Alois Ecker, Walter Zulehner

Numer. Linear Algebra Appl., 1996