Ulrich Langer - RankMe

88 papers C 1Journal 71Unranked 13

Year	Rank	Type	Title / Venue / Authors
2025	J	`jnl`	A 5D concept for space-time optimal control problems with application to simplified Carreau flow. CoRR Sven Beuchler, Bernhard Endtmayer, Ulrich Langer, Andreas Schafelner, Thomas Wick
2025	J	`jnl`	Numerical solution of elliptic distributed optimal control problems with boundary value tracking. CoRR Ulrich Langer, Richard Löscher, Olaf Steinbach, Huidong Yang
2025	J	`jnl`	Robust finite element solvers for distributed hyperbolic optimal control problems. Comput. Math. Appl. Ulrich Langer, Richard Löscher, Olaf Steinbach, Huidong Yang
2025	J	`jnl`	State-based approach to the numerical solution of Dirichlet boundary optimal control problems for the Laplace equation. CoRR Ulrich Langer, Richard Löscher, Olaf Steinbach, Huidong Yang
2025	J	`jnl`	State-based nested iteration solution of optimal control problems with PDE constraints. CoRR Ulrich Langer, Richard Löscher, Olaf Steinbach, Huidong Yang
2024	J	`jnl`	A Posteriori Single- and Multi-Goal Error Control and Adaptivity for Partial Differential Equations. CoRR Bernhard Endtmayer, Ulrich Langer, Thomas Richter, Andreas Schafelner, Thomas Wick
2024	J	`jnl`	An adaptive finite element method for distributed elliptic optimal control problems with variable energy regularization. Comput. Math. Appl. Ulrich Langer, Richard Löscher, Olaf Steinbach, Huidong Yang
2024	J	`jnl`	Goal-oriented adaptive space-time finite element methods for regularized parabolic p-Laplace problems. Comput. Math. Appl. Bernhard Endtmayer, Ulrich Langer, Andreas Schafelner
2024	J	`jnl`	Mass-lumping discretization and solvers for distributed elliptic optimal control problems. Numer. Linear Algebra Appl. Ulrich Langer, Richard Löscher, Olaf Steinbach, Huidong Yang
2024	J	`jnl`	Matrix-Free Monolithic Multigrid Methods for Stokes and Generalized Stokes Problems. SIAM J. Sci. Comput. Daniel Jodlbauer, Ulrich Langer, Thomas Wick, Walter Zulehner
2024	J	`jnl`	Robust finite element solvers for distributed hyperbolic optimal control problems. CoRR Ulrich Langer, Richard Löscher, Olaf Steinbach, Huidong Yang
2024	J	`jnl`	Robust space-time finite element methods for parabolic distributed optimal control problems with energy regularization. Adv. Comput. Math. Ulrich Langer, Olaf Steinbach, Huidong Yang
2023	J	`jnl`	Goal-Oriented Adaptive Space-Time Finite Element Methods for Regularized Parabolic p-Laplace Problems. CoRR Bernhard Endtmayer, Ulrich Langer, Andreas Schafelner
2023	J	`jnl`	Mass-lumping discretization and solvers for distributed elliptic optimal control problems. CoRR Ulrich Langer, Richard Löscher, Olaf Steinbach, Huidong Yang
2023	J	`jnl`	Parallel iterative solvers for discretized reduced optimality systems. CoRR Ulrich Langer, Richard Löscher, Olaf Steinbach, Huidong Yang
2023	J	`jnl`	Recent Advances in Boundary Element Methods. Comput. Methods Appl. Math. Ulrich Langer, Olaf Steinbach
2023	J	`jnl`	Robust Finite Element Discretization and Solvers for Distributed Elliptic Optimal Control Problems. Comput. Methods Appl. Math. Ulrich Langer, Richard Löscher, Olaf Steinbach, Huidong Yang
2023	—	`conf`	Robust Iterative Solvers for Algebraic Systems Arising from Elliptic Optimal Control Problems. LSSC Ulrich Langer, Richard Löscher, Olaf Steinbach, Huidong Yang
2022	J	`jnl`	Adaptive space-time finite element methods for parabolic optimal control problems. J. Num. Math. Ulrich Langer, Andreas Schafelner
2022	J	`jnl`	An adaptive finite element method for distributed elliptic optimal control problems with variable energy regularization. CoRR Ulrich Langer, Richard Löscher, Olaf Steinbach, Huidong Yang
2022	J	`jnl`	Matrix-free Monolithic Multigrid Methods for Stokes and Generalized Stokes Problems. CoRR Daniel Jodlbauer, Ulrich Langer, Thomas Wick, Walter Zulehner
2022	J	`jnl`	Robust Discretization and Solvers for Elliptic Optimal Control Problems with Energy Regularization. Comput. Methods Appl. Math. Ulrich Langer, Olaf Steinbach, Huidong Yang
2022	J	`jnl`	Robust finite element discretization and solvers for distributed elliptic optimal control problems. CoRR Ulrich Langer, Richard Löscher, Olaf Steinbach, Huidong Yang
2022	J	`jnl`	Robust space-time finite element error estimates for parabolic distributed optimal control problems with energy regularization. CoRR Ulrich Langer, Olaf Steinbach, Huidong Yang
2021	J	`jnl`	Efficient Direct Space-Time Finite Element Solvers for Parabolic Initial-Boundary Value Problems in Anisotropic Sobolev Spaces. SIAM J. Sci. Comput. Ulrich Langer, Marco Zank
2021	J	`jnl`	Reliability and Efficiency of DWR-Type A Posteriori Error Estimates with Smart Sensitivity Weight Recovering. Comput. Methods Appl. Math. Bernhard Endtmayer, Ulrich Langer, Thomas Wick
2021	J	`jnl`	Robust discretization and solvers for elliptic optimal control problems with energy regularization. CoRR Ulrich Langer, Olaf Steinbach, Huidong Yang
2021	—	`conf`	Simultaneous Space-Time Finite Element Methods for Parabolic Optimal Control Problems. LSSC Ulrich Langer, Andreas Schafelner
2021	J	`jnl`	Simultaneous space-time finite element methods for parabolic optimal control problems. CoRR Ulrich Langer, Andreas Schafelner
2021	J	`jnl`	Space-Time Finite Element Discretization of Parabolic Optimal Control Problems with Energy Regularization. SIAM J. Numer. Anal. Ulrich Langer, Olaf Steinbach, Fredi Tröltzsch, Huidong Yang
2021	J	`jnl`	Space-time finite element methods for the initial temperature reconstruction. CoRR Ulrich Langer, Olaf Steinbach, Fredi Tröltzsch, Huidong Yang
2021	J	`jnl`	Space-time hexahedral finite element methods for parabolic evolution problems. CoRR Ulrich Langer, Andreas Schafelner
2021	J	`jnl`	Unstructured Space-Time Finite Element Methods for Optimal Control of Parabolic Equations. SIAM J. Sci. Comput. Ulrich Langer, Olaf Steinbach, Fredi Tröltzsch, Huidong Yang
2020	J	`jnl`	Adaptive Space-Time Finite Element Methods for Non-autonomous Parabolic Problems with Distributional Sources. Comput. Methods Appl. Math. Ulrich Langer, Andreas Schafelner
2020	J	`jnl`	Adaptive space-time finite element methods for non-autonomous parabolic problems with distributional sources. CoRR Ulrich Langer, Andreas Schafelner
2020	J	`jnl`	Efficient Direct Space-Time Finite Element Solvers for Parabolic Initial-Boundary Value Problems in Anisotropic Sobolev Spaces. CoRR Ulrich Langer, Marco Zank
2020	J	`jnl`	Multigoal-oriented optimal control problems with nonlinear PDE constraints. Comput. Math. Appl. Bernhard Endtmayer, Ulrich Langer, Ira Neitzel, Thomas Wick, Winnifried Wollner
2020	J	`jnl`	Parallel matrix-free higher-order finite element solvers for phase-field fracture problems. CoRR Daniel Jodlbauer, Ulrich Langer, Thomas Wick
2020	J	`jnl`	Reliability and efficiency of DWR-type a posteriori error estimates with smart sensitivity weight recovering. CoRR Bernhard Endtmayer, Ulrich Langer, Thomas Wick
2020	J	`jnl`	Space-time finite element discretization of parabolic optimal control problems with energy regularization. CoRR Ulrich Langer, Olaf Steinbach, Fredi Tröltzsch, Huidong Yang
2020	J	`jnl`	Two-Side a Posteriori Error Estimates for the Dual-Weighted Residual Method. SIAM J. Sci. Comput. Bernhard Endtmayer, Ulrich Langer, Thomas Wick
2020	J	`jnl`	Unstructured Space-Time Finite Element Methods for Optimal Sparse Control of Parabolic Equations. CoRR Ulrich Langer, Olaf Steinbach, Fredi Tröltzsch, Huidong Yang
2020	J	`jnl`	Unstructured space-time finite element methods for optimal control of parabolic equations. CoRR Ulrich Langer, Olaf Steinbach, Fredi Tröltzsch, Huidong Yang
2019	J	`jnl`	Guaranteed error bounds and local indicators for adaptive solvers using stabilised space-time IgA approximations to parabolic problems. Comput. Math. Appl. Ulrich Langer, Svetlana Matculevich, Sergey I. Repin
2019	J	`jnl`	Hierarchical DWR Error Estimates for the Navier Stokes Equation: h and p Enrichment. CoRR Bernhard Endtmayer, Ulrich Langer, Jan Philipp Thiele, Thomas Wick
2019	—	`conf`	Hierarchical DWR Error Estimates for the Navier-Stokes Equations: h and p Enrichment. ENUMATH Bernhard Endtmayer, Ulrich Langer, Jan Philipp Thiele, Thomas Wick
2019	J	`jnl`	Isogeometric analysis on non-matching segmentation: discontinuous Galerkin techniques and efficient solvers. J. Appl. Math. Comput. Christoph Hofer, Ulrich Langer, Ioannis Toulopoulos
2019	J	`jnl`	Multigoal-oriented error estimates for non-linear problems. J. Num. Math. Bernhard Endtmayer, Ulrich Langer, Thomas Wick
2019	J	`jnl`	Parallel and Robust Preconditioning for Space-Time Isogeometric Analysis of Parabolic Evolution Problems. SIAM J. Sci. Comput. Christoph Hofer, Ulrich Langer, Martin Neumüller, Rainer Schneckenleitner
2019	—	`conf`	Space-Time Finite Element Methods for Parabolic Initial-Boundary Value Problems with Non-smooth Solutions. LSSC Ulrich Langer, Andreas Schafelner
2018	J	`jnl`	Numerical simulation of fluid-structure interaction problems with hyperelastic models: A monolithic approach. Math. Comput. Simul. Ulrich Langer, Huidong Yang
2017	—	`conf`	Functional Type Error Control for Stabilised Space-Time IgA Approximations to Parabolic Problems. LSSC Ulrich Langer, Svetlana Matculevich, Sergey I. Repin
2017	J	`jnl`	Guaranteed error control bounds for the stabilised space-time IgA approximations to parabolic problems. CoRR Ulrich Langer, Svetlana Matculevich, Sergey I. Repin
2017	—	`conf`	Multipatch Space-Time Isogeometric Analysis of Parabolic Diffusion Problems. LSSC Ulrich Langer, Martin Neumüller, Ioannis Toulopoulos
2016	J	`jnl`	Discontinuous Galerkin Isogeometric Analysis of Elliptic Diffusion Problems on Segmentations with Gaps. SIAM J. Sci. Comput. Christoph Hofer, Ulrich Langer, Ioannis Toulopoulos
2015	—	`conf`	Algebraic Multigrid Based Preconditioners for Fluid-Structure Interaction and Its Related Sub-problems. LSSC Ulrich Langer, Huidong Yang
2015	J	`jnl`	Analysis of multipatch discontinuous Galerkin IgA approximations to elliptic boundary value problems. Comput. Vis. Sci. Ulrich Langer, Ioannis Toulopoulos
2015	—	`book`	Dirichlet-Dirichlet Domain Decomposition Methods for Elliptic Problems - Dirichlet-Dirichlet Domain Decomposition Methods for Elliptic Problems Vadim Glebovich Korneev, Ulrich Langer
2015	J	`jnl`	Editorial. Comput. Methods Appl. Math. Ulrich Langer
2015	J	`jnl`	Functional A Posteriori Error Estimates for Parabolic Time-Periodic Boundary Value Problems. Comput. Methods Appl. Math. Ulrich Langer, Sergey I. Repin, Monika Wolfmayr
2015	J	`jnl`	Mesh grading in isogeometric analysis. Comput. Math. Appl. Ulrich Langer, Angelos Mantzaflaris, Stephen Edward Moore, Ioannis Toulopoulos
2015	J	`jnl`	Partitioned solution algorithms for fluid-structure interaction problems with hyperelastic models. J. Comput. Appl. Math. Ulrich Langer, Huidong Yang
2015	J	`jnl`	Shape Optimization of an Electric Motor Subject to Nonlinear Magnetostatics. SIAM J. Sci. Comput. Peter Gangl, Ulrich Langer, Antoine Laurain, Houcine Meftahi, Kevin Sturm
2014	—	`conf`	Matrix Generation in Isogeometric Analysis by Low Rank Tensor Approximation. Curves and Surfaces Angelos Mantzaflaris, Bert Jüttler, Boris N. Khoromskij, Ulrich Langer
2013	—	`ch.`	A Robust FEM-BEM Solver for Time-Harmonic Eddy Current Problems. Domain Decomposition Methods in Science and Engineering XX Michael Kolmbauer, Ulrich Langer
2013	J	`jnl`	A Robust Preconditioned MinRes Solver for Time-periodic Eddy Current Problems. Comput. Methods Appl. Math. Michael Kolmbauer, Ulrich Langer
2013	J	`jnl`	A robust finite element solver for a multiharmonic parabolic optimal control problem. Comput. Math. Appl. Markus Kollmann, Michael Kolmbauer, Ulrich Langer, Monika Wolfmayr, Walter Zulehner
2013	J	`jnl`	Multiharmonic finite element analysis of a time-periodic parabolic optimal control problem. J. Num. Math. Ulrich Langer, Monika Wolfmayr
2012	J	`jnl`	A Robust Preconditioned MinRes Solver for Distributed Time-Periodic Eddy Current Optimal Control Problems. SIAM J. Sci. Comput. Michael Kolmbauer, Ulrich Langer
2012	J	`jnl`	Editorial. Comput. Methods Appl. Math. Vadim G. Korneev, Yuri Kuznetsov, Ulrich Langer, Aleksandr M. Matsokin
2012	J	`jnl`	Topology optimization of electric machines based on topological sensitivity analysis. Comput. Vis. Sci. Peter Gangl, Ulrich Langer
2011	—	`conf`	A Non-standard Finite Element Method Based on Boundary Integral Operators. LSSC Clemens Hofreither, Ulrich Langer, Clemens Pechstein
2010	J	`jnl`	Domain decomposition solvers for nonlinear multiharmonic finite element equations. J. Num. Math. Dylan M. Copeland, Ulrich Langer
2009	—	`conf`	Boundary Element Simulation of Linear Water Waves in a Model Basin. LSSC Clemens Hofreither, Ulrich Langer, Satyendra K. Tomar
2008	J	`jnl`	Primal and Dual Interface Concentrated Iterative Substructuring Methods. SIAM J. Numer. Anal. Sven Beuchler, Tino Eibner, Ulrich Langer
2007	—	`conf`	A robust PDE solver for the 3D Stokes/Navier-Stokes systems on the grid environment. GRID Huidong Yang, Walter Zulehner, Ulrich Langer, Markus Baumgartner
2007	C	`conf`	GStokes: A Grid-enabled Solver for the 3D Stokes/Navier-Stokes System on Hybrid Meshes. ISPDC Ulrich Langer, Walter Zulehner, Huidong Yang, Markus Baumgartner
2007	J	`jnl`	Inexact Data-Sparse Boundary Element Tearing and Interconnecting Methods. SIAM J. Sci. Comput. Ulrich Langer, Günther Of, Olaf Steinbach, Walter Zulehner
2005	—	`conf`	Comparison of Geometrical and Algebraic Multigrid Preconditioners for Data-Sparse Boundary Element Matrices. LSSC Ulrich Langer, D. Pusch
2005	J	`jnl`	Numerical analysis of nonlinear multiharmonic eddy current problems. Numerische Mathematik Florian Bachinger, Ulrich Langer, Joachim Schöberl
2003	J	`jnl`	Boundary Element Tearing and Interconnecting Methods. Computing Ulrich Langer, Olaf Steinbach
2003	—	`ed.`	Symbolic and Numerical Scientific Computation, Second International Conference, SNSC 2001, Hagenberg, Austria, September 10-11, 2001, Revised Papers SNSC Franz Winkler, Ulrich Langer
2001	J	`jnl`	Algebraic multigrid methods based on element preconditioning. Int. J. Comput. Math. Gundolf Haase, Ulrich Langer, Stefan Reitzinger, Joachim Schöberl
2001	J	`jnl`	Parallel multigrid 3D Maxwell solvers. Parallel Comput. Gundolf Haase, Michael Kuhn, Ulrich Langer
2001	—	`conf`	Symbolic Methods for the Element Preconditioning Technique. SNSC Ulrich Langer, Stefan Reitzinger, Josef Schicho
1997	J	`jnl`	Editorial. Numer. Linear Algebra Appl. Ulrich Langer
1991	J	`jnl`	The approximate Dirichlet Domain Decomposition method. Part I: An algebraic approach. Computing Gundolf Haase, Ulrich Langer, Arnd Meyer
1991	J	`jnl`	The approximate Dirichlet Domain Decomposition method. Part II: Applications to 2nd-order Elliptic B.V.P.s. Computing Gundolf Haase, Ulrich Langer, Arnd Meyer