Walter Zulehner

Publication Activity (10 Years)

Years Active: 1996-2024
Publications (10 Years): 8

Top Topics

Methods Can Be Applied

Optimal Control Problems

Spectral Analysis

Top Venues

SIAM J. Numer. Anal.

SIAM J. Matrix Anal. Appl.

Curves and Surfaces

Publications

Daniel Jodlbauer, Ulrich Langer, Thomas Wick, Walter Zulehner
Matrix-Free Monolithic Multigrid Methods for Stokes and Generalized Stokes Problems. SIAM J. Sci. Comput. 46 (3) (2024)
Daniel Jodlbauer, Ulrich Langer, Thomas Wick, Walter Zulehner
Matrix-free Monolithic Multigrid Methods for Stokes and Generalized Stokes Problems. CoRR (2022)
Walter Zulehner
. CoRR (2022)
Dirk Pauly, Walter Zulehner
The Elasticity Complex. CoRR (2020)
Alexander Beigl, Jarle Sogn, Walter Zulehner
Robust Preconditioners for Multiple Saddle Point Problems and Applications to Optimal Control Problems. SIAM J. Matrix Anal. Appl. 41 (4) (2020)
Alexander Beigl, Jarle Sogn, Walter Zulehner
Robust Preconditioners for Multiple Saddle Point Problems and Applications to Optimal Control Problems. CoRR (2019)
Daniel Drzisga, Lorenz John, Ulrich Rüde, Barbara I. Wohlmuth, Walter Zulehner
On the Analysis of Block Smoothers for Saddle Point Problems. SIAM J. Matrix Anal. Appl. 39 (2) (2018)
Katharina Rafetseder, Walter Zulehner
A Decomposition Result for Kirchhoff Plate Bending Problems and a New Discretization Approach. SIAM J. Numer. Anal. 56 (3) (2018)
Walter Zulehner
The Ciarlet-Raviart Method for Biharmonic Problems on General Polygonal Domains: Mapping Properties and Preconditioning. SIAM J. Numer. Anal. 53 (2) (2015)
Clemens Hofreither, Walter Zulehner
Mass Smoothers in Geometric Multigrid for Isogeometric Analysis. Curves and Surfaces (2014)
Clemens Hofreither, Walter Zulehner
Spectral Analysis of Geometric Multigrid Methods for Isogeometric Analysis. NMA (2014)
Wolfgang Krendl, Valeria Simoncini, Walter Zulehner
Efficient Preconditioning for an Optimal Control Problem with the Time-Periodic Stokes Equations. ENUMATH (2013)
Stefan Takacs, Walter Zulehner
Convergence Analysis of All-at-Once Multigrid Methods for Elliptic Control Problems under Partial Elliptic Regularity. SIAM J. Numer. Anal. 51 (3) (2013)
Wolfgang Krendl, Valeria Simoncini, Walter Zulehner
Stability estimates and structural spectral properties of saddle point problems. Numerische Mathematik 124 (1) (2013)
Markus Kollmann, Michael Kolmbauer, Ulrich Langer, Monika Wolfmayr, Walter Zulehner
A robust finite element solver for a multiharmonic parabolic optimal control problem. Comput. Math. Appl. 65 (3) (2013)
Huidong Yang, Walter Zulehner
Numerical simulation of fluid-structure interaction problems on hybrid meshes with algebraic multigrid methods. J. Comput. Appl. Math. 235 (18) (2011)
Joachim Schöberl, René Simon, Walter Zulehner
A Robust Multigrid Method for Elliptic Optimal Control Problems. SIAM J. Numer. Anal. 49 (4) (2011)
Stefan Takacs, Walter Zulehner
Convergence analysis of multigrid methods with collective point smoothers for optimal control problems. Comput. Vis. Sci. 14 (3) (2011)
Walter Zulehner
Nonstandard Norms and Robust Estimates for Saddle Point Problems. SIAM J. Matrix Anal. Appl. 32 (2) (2011)
Huidong Yang, Walter Zulehner
Numerical Simulation of Fluid-Structure Interaction Problems on Hybrid Meshes with Algebraic Multigrid Methods. LSSC (2009)
René Simon, Walter Zulehner
On Schwarz-type smoothers for saddle point problems with applications to PDE-constrained optimization problems. Numerische Mathematik 111 (3) (2009)
Joachim Schöberl, Walter Zulehner
Symmetric Indefinite Preconditioners for Saddle Point Problems with Applications to PDE-Constrained Optimization Problems. SIAM J. Matrix Anal. Appl. 29 (3) (2007)
Ulrich Langer, Walter Zulehner, Huidong Yang, Markus Baumgartner
GStokes: A Grid-enabled Solver for the 3D Stokes/Navier-Stokes System on Hybrid Meshes. ISPDC (2007)
Huidong Yang, Walter Zulehner, Ulrich Langer, Markus Baumgartner
A robust PDE solver for the 3D Stokes/Navier-Stokes systems on the grid environment. GRID (2007)
Ulrich Langer, Günther Of, Olaf Steinbach, Walter Zulehner
Inexact Data-Sparse Boundary Element Tearing and Interconnecting Methods. SIAM J. Sci. Comput. 29 (1) (2007)
Joachim Schöberl, Walter Zulehner
On Schwarz-type Smoothers for Saddle Point Problems. Numerische Mathematik 95 (2) (2003)
Walter Zulehner
Analysis of iterative methods for saddle point problems: a unified approach. Math. Comput. 71 (238) (2002)
Walter Zulehner
A Class of Smoothers for Saddle Point Problems. Computing 65 (3) (2000)
Alois Ecker, Walter Zulehner
On the Smoothing Property of Multigrid Methods in the Non-symmetric Case. Numer. Linear Algebra Appl. 3 (2) (1996)