Ulrich Langer

Orcid: 0000-0003-3797-7475

According to our database1, Ulrich Langer authored at least 69 papers between 1991 and 2024.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Timeline

Legend:

Book 
In proceedings 
Article 
PhD thesis 
Dataset
Other 

Links

Online presence:

On csauthors.net:

Bibliography

2024
Mass-lumping discretization and solvers for distributed elliptic optimal control problems.
Numer. Linear Algebra Appl., October, 2024

Robust space-time finite element methods for parabolic distributed optimal control problems with energy regularization.
Adv. Comput. Math., April, 2024

Matrix-Free Monolithic Multigrid Methods for Stokes and Generalized Stokes Problems.
SIAM J. Sci. Comput., 2024

Robust finite element solvers for distributed hyperbolic optimal control problems.
CoRR, 2024

A Posteriori Single- and Multi-Goal Error Control and Adaptivity for Partial Differential Equations.
CoRR, 2024

An adaptive finite element method for distributed elliptic optimal control problems with variable energy regularization.
Comput. Math. Appl., 2024

Goal-oriented adaptive space-time finite element methods for regularized parabolic p-Laplace problems.
Comput. Math. Appl., 2024

2023
Robust Finite Element Discretization and Solvers for Distributed Elliptic Optimal Control Problems.
Comput. Methods Appl. Math., October, 2023

Recent Advances in Boundary Element Methods.
Comput. Methods Appl. Math., April, 2023

Parallel iterative solvers for discretized reduced optimality systems.
CoRR, 2023

Robust Iterative Solvers for Algebraic Systems Arising from Elliptic Optimal Control Problems.
Proceedings of the Large-Scale Scientific Computations - 14th International Conference, 2023

2022
Adaptive space-time finite element methods for parabolic optimal control problems.
J. Num. Math., 2022

Robust space-time finite element error estimates for parabolic distributed optimal control problems with energy regularization.
CoRR, 2022

Robust Discretization and Solvers for Elliptic Optimal Control Problems with Energy Regularization.
Comput. Methods Appl. Math., 2022

2021
Efficient Direct Space-Time Finite Element Solvers for Parabolic Initial-Boundary Value Problems in Anisotropic Sobolev Spaces.
SIAM J. Sci. Comput., 2021

Unstructured Space-Time Finite Element Methods for Optimal Control of Parabolic Equations.
SIAM J. Sci. Comput., 2021

Space-Time Finite Element Discretization of Parabolic Optimal Control Problems with Energy Regularization.
SIAM J. Numer. Anal., 2021

Space-time finite element methods for the initial temperature reconstruction.
CoRR, 2021

Space-time hexahedral finite element methods for parabolic evolution problems.
CoRR, 2021

Reliability and Efficiency of DWR-Type A Posteriori Error Estimates with Smart Sensitivity Weight Recovering.
Comput. Methods Appl. Math., 2021

Simultaneous Space-Time Finite Element Methods for Parabolic Optimal Control Problems.
Proceedings of the Large-Scale Scientific Computing - 13th International Conference, 2021

2020
Two-Side a Posteriori Error Estimates for the Dual-Weighted Residual Method.
SIAM J. Sci. Comput., 2020

Parallel matrix-free higher-order finite element solvers for phase-field fracture problems.
CoRR, 2020

Unstructured Space-Time Finite Element Methods for Optimal Sparse Control of Parabolic Equations.
CoRR, 2020

Adaptive Space-Time Finite Element Methods for Non-autonomous Parabolic Problems with Distributional Sources.
Comput. Methods Appl. Math., 2020

Multigoal-oriented optimal control problems with nonlinear PDE constraints.
Comput. Math. Appl., 2020

2019
Isogeometric analysis on non-matching segmentation: discontinuous Galerkin techniques and efficient solvers.
J. Appl. Math. Comput., October, 2019

Parallel and Robust Preconditioning for Space-Time Isogeometric Analysis of Parabolic Evolution Problems.
SIAM J. Sci. Comput., 2019

Multigoal-oriented error estimates for non-linear problems.
J. Num. Math., 2019

Hierarchical DWR Error Estimates for the Navier Stokes Equation: h and p Enrichment.
CoRR, 2019

Guaranteed error bounds and local indicators for adaptive solvers using stabilised space-time IgA approximations to parabolic problems.
Comput. Math. Appl., 2019

Space-Time Finite Element Methods for Parabolic Initial-Boundary Value Problems with Non-smooth Solutions.
Proceedings of the Large-Scale Scientific Computing - 12th International Conference, 2019

Hierarchical DWR Error Estimates for the Navier-Stokes Equations: h and p Enrichment.
Proceedings of the Numerical Mathematics and Advanced Applications ENUMATH 2019 - European Conference, Egmond aan Zee, The Netherlands, September 30, 2019

2018
Numerical simulation of fluid-structure interaction problems with hyperelastic models: A monolithic approach.
Math. Comput. Simul., 2018

2017
Guaranteed error control bounds for the stabilised space-time IgA approximations to parabolic problems.
CoRR, 2017

Multipatch Space-Time Isogeometric Analysis of Parabolic Diffusion Problems.
Proceedings of the Large-Scale Scientific Computing - 11th International Conference, 2017

Functional Type Error Control for Stabilised Space-Time IgA Approximations to Parabolic Problems.
Proceedings of the Large-Scale Scientific Computing - 11th International Conference, 2017

2016
Discontinuous Galerkin Isogeometric Analysis of Elliptic Diffusion Problems on Segmentations with Gaps.
SIAM J. Sci. Comput., 2016

2015
Shape Optimization of an Electric Motor Subject to Nonlinear Magnetostatics.
SIAM J. Sci. Comput., 2015

Partitioned solution algorithms for fluid-structure interaction problems with hyperelastic models.
J. Comput. Appl. Math., 2015

Analysis of multipatch discontinuous Galerkin IgA approximations to elliptic boundary value problems.
Comput. Vis. Sci., 2015

Functional A Posteriori Error Estimates for Parabolic Time-Periodic Boundary Value Problems.
Comput. Methods Appl. Math., 2015

Editorial.
Comput. Methods Appl. Math., 2015

Mesh grading in isogeometric analysis.
Comput. Math. Appl., 2015

Algebraic Multigrid Based Preconditioners for Fluid-Structure Interaction and Its Related Sub-problems.
Proceedings of the Large-Scale Scientific Computing - 10th International Conference, 2015

Dirichlet-Dirichlet Domain Decomposition Methods for Elliptic Problems - <i>h</i> and <i>hp</i> Finite Element Discretizations
WorldScientific, ISBN: 9789814578479, 2015

2014
Matrix Generation in Isogeometric Analysis by Low Rank Tensor Approximation.
Proceedings of the Curves and Surfaces, 2014

2013
A Robust FEM-BEM Solver for Time-Harmonic Eddy Current Problems.
Proceedings of the Domain Decomposition Methods in Science and Engineering XX, 2013

Multiharmonic finite element analysis of a time-periodic parabolic optimal control problem.
J. Num. Math., 2013

A Robust Preconditioned MinRes Solver for Time-periodic Eddy Current Problems.
Comput. Methods Appl. Math., 2013

A robust finite element solver for a multiharmonic parabolic optimal control problem.
Comput. Math. Appl., 2013

2012
A Robust Preconditioned MinRes Solver for Distributed Time-Periodic Eddy Current Optimal Control Problems.
SIAM J. Sci. Comput., 2012

Topology optimization of electric machines based on topological sensitivity analysis.
Comput. Vis. Sci., 2012

Editorial.
Comput. Methods Appl. Math., 2012

2011
A Non-standard Finite Element Method Based on Boundary Integral Operators.
Proceedings of the Large-Scale Scientific Computing - 8th International Conference, 2011

2010
Domain decomposition solvers for nonlinear multiharmonic finite element equations.
J. Num. Math., 2010

2009
Boundary Element Simulation of Linear Water Waves in a Model Basin.
Proceedings of the Large-Scale Scientific Computing, 7th International Conference, 2009

2008
Primal and Dual Interface Concentrated Iterative Substructuring Methods.
SIAM J. Numer. Anal., 2008

2007
Inexact Data-Sparse Boundary Element Tearing and Interconnecting Methods.
SIAM J. Sci. Comput., 2007

GStokes: A Grid-enabled Solver for the 3D Stokes/Navier-Stokes System on Hybrid Meshes.
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.
Proceedings of the 8th IEEE/ACM International Conference on Grid Computing (GRID 2007), 2007

2005
Numerical analysis of nonlinear multiharmonic eddy current problems.
Numerische Mathematik, 2005

Comparison of Geometrical and Algebraic Multigrid Preconditioners for Data-Sparse Boundary Element Matrices.
Proceedings of the Large-Scale Scientific Computing, 5th International Conference, 2005

2003
Boundary Element Tearing and Interconnecting Methods.
Computing, 2003

2001
Parallel multigrid 3D Maxwell solvers.
Parallel Comput., 2001

Algebraic multigrid methods based on element preconditioning.
Int. J. Comput. Math., 2001

Symbolic Methods for the Element Preconditioning Technique.
Proceedings of the Symbolic and Numerical Scientific Computation, 2001

1991
The approximate Dirichlet Domain Decomposition method. Part II: Applications to 2nd-order Elliptic B.V.P.s.
Computing, 1991

The approximate Dirichlet Domain Decomposition method. Part I: An algebraic approach.
Computing, 1991


  Loading...