Computer Algebra meets Finite Elements: an Efficient Implementation for Maxwell's Equations - Christoph Koutschan; Christoph Lehrenfeld; Joachim Schöberl (CoRR, 2011)

Nitsche-XFEM with Streamline Diffusion Stabilization for a Two-Phase Mass Transport Problem. - Christoph Lehrenfeld; Arnold Reusken (SIAM J. Sci. Comput., 2012)

Analysis of a Nitsche XFEM-DG Discretization for a Class of Two-Phase Mass Transport Problems. - Christoph Lehrenfeld; Arnold Reusken (SIAM J. Numer. Anal., 2013)

High order unfitted finite element methods on level set domains using isoparametric mappings. - Christoph Lehrenfeld (CoRR, 2015)

High order exactly divergence-free Hybrid Discontinuous Galerkin Methods for unsteady incompressible flows. - Christoph Lehrenfeld; Joachim Schöberl (CoRR, 2015)

The Nitsche XFEM-DG Space-Time Method and its Implementation in Three Space Dimensions. - Christoph Lehrenfeld (SIAM J. Sci. Comput., 2015)

A Higher Order Isoparametric Fictitious Domain Method for Level Set Domains. - Christoph Lehrenfeld (CoRR, 2016)

A note on the penalty parameter in Nitsche's method for unfitted boundary value problems. - Frits de Prenter; Christoph Lehrenfeld; André Massing (CoRR, 2017)

Optimal preconditioners for Nitsche-XFEM discretizations of interface problems. - Christoph Lehrenfeld; Arnold Reusken (Numerische Mathematik, 2017)

A note on the stability parameter in Nitsche's method for unfitted boundary value problems. - Frits de Prenter; Christoph Lehrenfeld; André Massing (Comput. Math. Appl., 2018)

A Strongly Conservative Hybrid DG/Mixed FEM for the Coupling of Stokes and Darcy Flow. - Guosheng Fu; Christoph Lehrenfeld (J. Sci. Comput., 2018)

Analysis of a High-Order Trace Finite Element Method for PDEs on Level Set Surfaces. - Jörg Grande; Christoph Lehrenfeld; Arnold Reusken (SIAM J. Numer. Anal., 2018)

Hybrid Discontinuous Galerkin Methods with Relaxed H(div)-Conformity for Incompressible Flows. Part I. - Philip L. Lederer; Christoph Lehrenfeld; Joachim Schöberl (SIAM J. Numer. Anal., 2018)

A Stabilized Trace Finite Element Method for Partial Differential Equations on Evolving Surfaces. - Christoph Lehrenfeld; Maxim A. Olshanskii; Xianmin Xu (SIAM J. Numer. Anal., 2018)

Mass conservative reduced order modeling of a free boundary osmotic cell swelling problem. - Christoph Lehrenfeld; Stephan Rave (Adv. Comput. Math., 2019)

On reference solutions and the sensitivity of the 2D Kelvin-Helmholtz instability problem. - Philipp W. Schroeder; Volker John; Philip L. Lederer; Christoph Lehrenfeld; Gert Lube; Joachim Schöberl (Comput. Math. Appl., 2019)

Numerical benchmarking of fluid-rigid body interactions. - Henry von Wahl; Thomas Richter 003; Christoph Lehrenfeld; Jan Heiland; Piotr Minakowski (CoRR, 2019)

Divergence-free tangential finite element methods for incompressible flows on surfaces. - Philip L. Lederer; Christoph Lehrenfeld; Joachim Schöberl (CoRR, 2019)

L2-error analysis of an isoparametric unfitted finite element method for elliptic interface problems. - Christoph Lehrenfeld; Arnold Reusken (J. Num. Math., 2019)

Locking free and gradient robust H(div)-conforming HDG methods for linear elasticity. - Guosheng Fu; Christoph Lehrenfeld; Alexander Linke; Timo Streckenbach (CoRR, 2020)

An unfitted Eulerian finite element method for the time-dependent Stokes problem on moving domains. - Henry von Wahl; Thomas Richter 003; Christoph Lehrenfeld (CoRR, 2020)

Sweeping preconditioners for stratified media in the presence of reflections. - Janosch Preuß; Thorsten Hohage; Christoph Lehrenfeld (CoRR, 2020)

ngsxfem: Add-on to NGSolve for geometrically unfitted finite element discretizations. - Christoph Lehrenfeld; Fabian Heimann; Janosch Preuß; Henry von Wahl (J. Open Source Softw., 2021)

Locking-Free and Gradient-Robust ${ varvec{H}}({{ , mathrm{{ text {div}}} , }})$-Conforming HDG Methods for Linear Elasticity. - Guosheng Fu; Christoph Lehrenfeld; Alexander Linke; Timo Streckenbach (J. Sci. Comput., 2021)

Learned Infinite Elements. - Thorsten Hohage; Christoph Lehrenfeld; Janosch Preuß (SIAM J. Sci. Comput., 2021)

Slides of the RDM Workshop for the CRC1456 from 2021-06-21 and 2021-06-28. - Timo Gnadt; Martin Uecker; Christoph Lehrenfeld; Christoph Rügge; H. Christian M. Holme (GRO.data, 2021)

Replication Data for: Learned infinite elements. - Thorsten Hohage; Christoph Lehrenfeld; Janosch Preuß (GRO.data, 2021)

Slides of the RDM Workshop for the CRC1456 from 2021-06-21 and 2021-06-28. - Timo Gnadt; Martin Uecker; Christoph Lehrenfeld; Christoph Rügge; H. Christian M. Holme (GRO.data, 2021)

"Hybrid Discontinuous Galerkin methods for solving incompressible flow problems" ( Diploma thesis ). - Christoph Lehrenfeld (GRO.data, 2021)

Embedded Trefftz discontinuous Galerkin methods. - Christoph Lehrenfeld; Paul Stocker (CoRR, 2022)

Robust finite element discretizations for a simplified Galbrun's equation. - Tilman Alemán; Martin Halla; Christoph Lehrenfeld; Paul Stocker (CoRR, 2022)

A new T-compatibility condition and its application to the discretization of the damped time-harmonic Galbrun's equation. - Martin Halla; Christoph Lehrenfeld; Paul Stocker (CoRR, 2022)

Unfitted Trefftz discontinuous Galerkin methods for elliptic boundary value problems. - Fabian Heimann; Christoph Lehrenfeld; Paul Stocker; Henry von Wahl (CoRR, 2022)

Replication Data for: Embedded Trefftz discontinuous Galerkin methods. - Christoph Lehrenfeld; Paul Stocker (GRO.data, 2022)

Isoparametric Unfitted BDF-Finite Element Method for PDEs on Evolving Domains. - Yimin Lou; Christoph Lehrenfeld (SIAM J. Numer. Anal., 2022)

Guided Jupyter Tour - Optimal Transport (LiveDoc). - Lennart Finke; Fabian Fieberg; Thilo Stier; Christoph Lehrenfeld; Bernhard Schmitzer (GRO.data, 2022)

Data policy for CRC 1456. - Christoph Lehrenfeld; Thorsten Hohage; Martin Uecker; Timo Henne; H. Christian M. Holme; Christoph Rügge (GRO.data, 2022)

Data policy for CRC 1456. - Christoph Lehrenfeld; Thorsten Hohage; Martin Uecker; Timo Henne; H. Christian M. Holme; Christoph Rügge; General assembly of the CRC 1456 (GRO.data, 2022)

Geometrically Higher Order Unfitted Space-Time Methods for PDEs on Moving Domains: Geometry Error Analysis. - Fabian Heimann; Christoph Lehrenfeld (CoRR, 2023)

Geometrically Higher Order Unfitted Space-Time Methods for PDEs on Moving Domains. - Fabian Heimann; Christoph Lehrenfeld; Janosch Preuß (SIAM J. Sci. Comput., 2023)

Replication Data for: Analysis of divergence-preserving unfitted finite element methods for the mixed Poisson problem. - Christoph Lehrenfeld; Igor Voulis; Tim van Beeck (GRO.data, 2023)

Replication Data for: Embedded Trefftz discontinuous Galerkin methods. - Christoph Lehrenfeld; Paul Stocker (GRO.data, 2023)

Replication Data for: Trefftz Discontinuous Galerkin discretization for the Stokes problem. - Philip L. Lederer; Christoph Lehrenfeld; Paul Stocker (GRO.data, 2023)

LiveDocs: Crafting Interactive Development Environments From Research Findings. - Pedro Costa Klein; Christoph Lehrenfeld; Markus Osterhoff; Martin Uecker (CoRR, 2024)

Sparsity comparison of polytopal finite element methods. - Christoph Lehrenfeld; Paul Stocker; Maximilian Zienecker (CoRR, 2024)

A unified framework for Trefftz-like discretization methods. - Philip L. Lederer; Christoph Lehrenfeld; Paul Stocker; Igor Voulis (CoRR, 2024)

Analysis of divergence-preserving unfitted finite element methods for the mixed Poisson problem. - Christoph Lehrenfeld; Tim van Beeck; Igor Voulis (Math. Comput., 2024)

Data policy for CRC 1456. - Christoph Lehrenfeld; Thorsten Hohage; Martin Uecker; Timo Henne; H. Christian M. Holme; Christoph Rügge; General assembly of the CRC 1456 (GRO.data, 2024)

Data policy for CRC 1456. - Christoph Lehrenfeld; Thorsten Hohage; Martin Uecker; Timo Henne; H. Christian M. Holme; Christoph Rügge; Pedro C. Klein; General assembly of the CRC 1456 (GRO.data, 2024)

Data policy for CRC 1456. - Christoph Lehrenfeld; Thorsten Hohage; Martin Uecker; Timo Henne; H. Christian M. Holme; Christoph Rügge; Pedro C. Klein; General assembly of the CRC 1456 (GRO.data, 2024)

Replication Data for: Analysis of divergence-preserving unfitted finite element methods for the mixed Poisson problem. - Christoph Lehrenfeld; Igor Voulis; Tim van Beeck (GRO.data, 2024)

Replication Data for: "Sparsity comparison of polytopal finite element methods". - Christoph Lehrenfeld; Paul Stocker; Maximilian Zienecker (GRO.data, 2024)

Replication Data for: "Sparsity comparison of polytopal finite element methods". - Christoph Lehrenfeld; Paul Stocker; Maximilian Zienecker (GRO.data, 2024)

Trefftz discontinuous Galerkin discretization for the Stokes problem. - Philip L. Lederer; Christoph Lehrenfeld; Paul Stocker (Numerische Mathematik, 2024)

Discretization Error Analysis of a High Order Unfitted Space-Time Method for moving domain problems. - Fabian Heimann; Christoph Lehrenfeld; Janosch Preuß (CoRR, 2025)

Hybrid discontinuous Galerkin discretizations for the damped time-harmonic Galbrun's equation. - Martin Halla; Christoph Lehrenfeld; Tim van Beeck (CoRR, 2025)