Ralf Hiptmair

According to our database, Ralf Hiptmair authored at least 66 papers between 1996 and 2024.

Collaborative distances:

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

2024

Semi-Lagrangian finite element exterior calculus for incompressible flows.

Wouter Tonnon, Ralf Hiptmair

Adv. Comput. Math., February, 2024

Volume Integral Equations and Single-Trace Formulations for Acoustic Wave Scattering in an Inhomogeneous Medium.

Ignacio Labarca, Ralf Hiptmair

Comput. Methods Appl. Math., January, 2024

Skeleton Integral Equations for Acoustic Transmission Problems with Varying Coefficients.

Francesco Florian, Ralf Hiptmair, Stefan A. Sauter

SIAM J. Math. Anal., 2024

Wave scattering with time-periodic coefficients: Energy estimates and harmonic formulations.

Jörg Nick, Ralf Hiptmair, Habib Ammari

CoRR, 2024

Frequency-Explicit Shape Holomorphy in Uncertainty Quantification for Acoustic Scattering.

Ralf Hiptmair, Christoph Schwab, Euan A. Spence

CoRR, 2024

H(curl)-based approximation of the Stokes problem with slip boundary conditions.

Wietse M. Boon, Ralf Hiptmair, Wouter Tonnon, Enrico Zampa

CoRR, 2024

Coupled Boundary and Volume Integral Equations for Electromagnetic Scattering.

Ignacio Labarca-Figueroa, Ralf Hiptmair

CoRR, 2024

2023

Detecting Near Resonances in Acoustic Scattering.

Luka Grubisic, Ralf Hiptmair, Diego Renner

J. Sci. Comput., September, 2023

Force Computation for Dielectrics Using Shape Calculus.

Piyush Panchal, Ning Ren, Ralf Hiptmair

Comput. Methods Appl. Math., April, 2023

Boundary Element Methods for the Laplace Hypersingular Integral Equation on Multiscreens: a two-level Substructuring Preconditioner.

Martin Averseng, Xavier Claeys, Ralf Hiptmair

CoRR, 2023

2022

Spurious Quasi-Resonances in Boundary Integral Equations for the Helmholtz Transmission Problem.

Ralf Hiptmair, Andrea Moiola, Euan A. Spence

SIAM J. Appl. Math., August, 2022

First-Kind Boundary Integral Equations for the Dirac Operator in 3-Dimensional Lipschitz Domains.

Erick Schulz, Ralf Hiptmair

SIAM J. Math. Anal., 2022

Fractured Meshes.

Martin Averseng, Xavier Claeys, Ralf Hiptmair

CoRR, 2022

Spurious Resonances in Coupled Domain-Boundary Variational Formulations of Transmission Problems in Electromagnetism and Acoustics.

Erick Schulz, Ralf Hiptmair

Comput. Methods Appl. Math., 2022

2021

Frequency-Stable Full Maxwell in Electro-quasistatic Gauge.

Jörg Ostrowski, Ralf Hiptmair

SIAM J. Sci. Comput., 2021

A Stable Boundary Integral Formulation of an Acoustic Wave Transmission Problem with Mixed Boundary Conditions.

Sarah Eberle, Francesco Florian, Ralf Hiptmair, Stefan A. Sauter

SIAM J. Math. Anal., 2021

2020

Optimal Operator Preconditioning for Galerkin Boundary Element Methods on 3-Dimensional Screens.

Ralf Hiptmair, Carlos Jerez-Hanckes, Carolina Urzúa-Torres

SIAM J. Numer. Anal., 2020

Coupling FEM with a Multiple-Subdomain Trefftz Method.

Daniele Casati, Ralf Hiptmair

J. Sci. Comput., 2020

2019

First-Kind Boundary Integral Equations for the Hodge-Helmholtz Operator.

Xavier Claeys, Ralf Hiptmair

SIAM J. Math. Anal., 2019

Coupling finite elements and auxiliary sources.

Daniele Casati, Ralf Hiptmair

Comput. Math. Appl., 2019

Harmonic Balance Techniques in Cardiovascular Fluid Mechanics.

Taha Sabri Koltukluoglu, Gregor Cvijetic, Ralf Hiptmair

Proceedings of the Medical Image Computing and Computer Assisted Intervention - MICCAI 2019, 2019

2018

Large deformation shape uncertainty quantification in acoustic scattering.

Ralf Hiptmair, Laura Scarabosio, Claudia Schillings, Christoph Schwab

Adv. Comput. Math., 2018

2017

Asymptotic expansion techniques for singularly perturbed boundary integral equations.

Kersten Schmidt, Ralf Hiptmair

Numerische Mathematik, 2017

Second-kind boundary integral equations for electromagnetic scattering at composite objects.

Xavier Claeys, Ralf Hiptmair, Elke Spindler

Comput. Math. Appl., 2017

Second kind boundary integral equation for multi-subdomain diffusion problems.

Xavier Claeys, Ralf Hiptmair, Elke Spindler

Adv. Comput. Math., 2017

2016

Plane Wave Discontinuous Galerkin Methods: Exponential Convergence of the hp-Version.

Ralf Hiptmair, Andrea Moiola, Ilaria Perugia

Found. Comput. Math., 2016

2015

Extension by zero in discrete trace spaces: Inverse estimates.

Ralf Hiptmair, Carlos Jerez-Hanckes, Shipeng Mao

Math. Comput., 2015

Shape Optimization by Pursuing Diffeomorphisms.

Ralf Hiptmair, Alberto Paganini

Comput. Methods Appl. Math., 2015

Approximate Riesz Representatives of Shape Gradients.

Alberto Paganini, Ralf Hiptmair

Proceedings of the System Modeling and Optimization - 27th IFIP TC 7 Conference, CSMO 2015, 2015

2014

Mesh-Independent Operator Preconditioning for Boundary Elements on Open Curves.

Ralf Hiptmair, Carlos Jerez-Hanckes, Carolina Urzúa-Torres

SIAM J. Numer. Anal., 2014

Fast convolution quadrature based impedance boundary conditions.

Ralf Hiptmair, María López-Fernández, Alberto Paganini

J. Comput. Appl. Math., 2014

2013

Multiple point evaluation on combined tensor product supports.

Ralf Hiptmair, G. Phillips, G. Sinha

Numer. Algorithms, 2013

Error analysis of Trefftz-discontinuous Galerkin methods for the time-harmonic Maxwell equations.

Ralf Hiptmair, Andrea Moiola, Ilaria Perugia

Math. Comput., 2013

Convergence of Lowest Order Semi-Lagrangian Schemes.

Holger Heumann, Ralf Hiptmair

Found. Comput. Math., 2013

Stabilized Galerkin for Linear Advection of Vector Fields.

Holger Heumann, Ralf Hiptmair

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

2012

Convergence analysis of finite element methods for <i>H</i>(curl; Ω)-elliptic interface problems.

Ralf Hiptmair, Jingzhi Li, Jun Zou

Numerische Mathematik, 2012

Multiple traces boundary integral formulation for Helmholtz transmission problems.

Ralf Hiptmair, Carlos Jerez-Hanckes

Adv. Comput. Math., 2012

2011

Plane Wave Discontinuous Galerkin Methods for the 2D Helmholtz Equation: Analysis of the p-Version.

Ralf Hiptmair, Andrea Moiola, Ilaria Perugia

SIAM J. Numer. Anal., 2011

Discrete Compactness for the p-Version of Discrete Differential Forms.

Daniele Boffi, Martin Costabel, Monique Dauge, Leszek F. Demkowicz, Ralf Hiptmair

SIAM J. Numer. Anal., 2011

2010

Convergence of the Natural hp-BEM for the Electric Field Integral Equation on Polyhedral Surfaces.

Alexei Bespalov, Norbert Heuer, Ralf Hiptmair

SIAM J. Numer. Anal., 2010

Convergence analysis of finite element methods for <i>H</i>(div;Ω)-elliptic interface problems.

Ralf Hiptmair, J. Li, Jun Zou

J. Num. Math., 2010

2008

Sparse adaptive finite elements for radiative transfer.

Gisela Widmer, Ralf Hiptmair, Christoph Schwab

J. Comput. Phys., 2008

2007

Nodal Auxiliary Space Preconditioning in H(curl) and H(div) Spaces.

Ralf Hiptmair, Jinchao Xu

SIAM J. Numer. Anal., 2007

2006

Stabilized FEM-BEM Coupling for Helmholtz Transmission Problems.

Ralf Hiptmair, P. Meury

SIAM J. Numer. Anal., 2006

Auxiliary space preconditioning in H₀(curl; Ω).

Ralf Hiptmair, Gisela Widmer, Jun Zou

Numerische Mathematik, 2006

Operator Preconditioning.

Ralf Hiptmair

Comput. Math. Appl., 2006

2005

Regularized Combined Field Integral Equations.

Annalisa Buffa, Ralf Hiptmair

Numerische Mathematik, 2005

2004

A Coercive Combined Field Integral Equation for Electromagnetic Scattering.

Annalisa Buffa, Ralf Hiptmair

SIAM J. Numer. Anal., 2004

2003

Coupling of Finite Elements and Boundary Elements in Electromagnetic Scattering.

Ralf Hiptmair

SIAM J. Numer. Anal., 2003

Mixed finite elements on sparse grids.

Vasile Gradinaru, Ralf Hiptmair

Numerische Mathematik, 2003

Boundary Element Methods for Maxwell Transmission Problems in Lipschitz Domains.

Annalisa Buffa, Ralf Hiptmair, Tobias von Petersdorff, Christoph Schwab

Numerische Mathematik, 2003

Analysis of multilevel methods for eddy current problems.

Ralf Hiptmair

Math. Comput., 2003

Coercive combined field integral equations.

Ralf Hiptmair

J. Num. Math., 2003

Non-Reflecting Boundary Conditions for Maxwell's Equations.

Ralf Hiptmair, Achim Schädle

Computing, 2003

Multigrid for Discrete Differential Forms on Sparse Grids.

Vasile Gradinaru, Ralf Hiptmair

Computing, 2003

2002

Multilevel Method for Mixed Eigenproblems.

Ralf Hiptmair, Klaus Neymeyr

SIAM J. Sci. Comput., 2002

Natural Boundary Element Methods for the Electric Field Integral Equation on Polyhedra.

Ralf Hiptmair, Christoph Schwab

SIAM J. Numer. Anal., 2002

Symmetric Coupling for Eddy Current Problems.

Ralf Hiptmair

SIAM J. Numer. Anal., 2002

Generators of $H_1(\Gamma_{h}, \mathbbZ)$ for Triangulated Surfaces: Construction and Classification.

Ralf Hiptmair, Jörg Ostrowski

SIAM J. Comput., 2002

Multigrid Computation of Axisymmetric Electromagnetic Fields.

Steffen Börm, Ralf Hiptmair

Adv. Comput. Math., 2002

2001

Discrete Hodge operators.

Ralf Hiptmair

Numerische Mathematik, 2001

Analysis of tensor product multigrid.

Steffen Börm, Ralf Hiptmair

Numer. Algorithms, 2001

2000

Multilevel Gauging for Edge Elements.

Ralf Hiptmair

Computing, 2000

1999

Multilevel methods for mixed finite elements in three dimensions.

Ralf Hiptmair, Ronald H. W. Hoppe

Numerische Mathematik, 1999

Canonical construction of finite elements.

Ralf Hiptmair

Math. Comput., 1999

1996

Multilevel Preconditioned Augmented Lagrangian Techniques for 2ndMixed Problems.

Ralf Hiptmair, Thomas Schiekofer, Barbara I. Wohlmuth

Computing, 1996