Johan Helsing

26 papers Journal 26
YearRankTypeTitle / Venue / Authors
2025 J jnl
The Helmholtz Dirichlet and Neumann problems on piecewise smooth open curves.
J. Comput. Phys.
Johan Helsing, Shidong Jiang
2024 J jnl
The Helmholtz Dirichlet and Neumann problems on piecewise smooth open curves.
CoRR
Johan Helsing, Shidong Jiang
2023 J jnl
Inverse Problem for a Planar Conductivity Inclusion.
SIAM J. Imaging Sci.
Doo Sung Choi, Johan Helsing, Sangwoo Kang, Mikyoung Lim
2022 J jnl
An efficient full-wave solver for eddy currents.
Comput. Math. Appl.
Johan Helsing, Anders Karlsson, Andreas Rosén
2022 J jnl
Solving Fredholm second-kind integral equations with singular right-hand sides on non-smooth boundaries.
J. Comput. Phys.
Johan Helsing, Shidong Jiang
2021 J jnl
Comparison of integral equations for the Maxwell transmission problem with general permittivities.
Adv. Comput. Math.
Johan Helsing, Anders Karlsson, Andreas Rosén
2021 J jnl
Solving Fredholm second-kind integral equations with singular right-hand sides on non-smooth boundaries.
CoRR
Johan Helsing, Shidong Jiang
2020 J jnl
An Extended Charge-Current Formulation of the Electromagnetic Transmission Problem.
SIAM J. Appl. Math.
Johan Helsing, Anders Karlsson
2019 J jnl
Physical-density integral equation methods for scattering from multi-dielectric cylinders.
J. Comput. Phys.
Johan Helsing, Anders Karlsson
2018 J jnl
Corner Effects on the Perturbation of an Electric Potential.
SIAM J. Appl. Math.
Doo Sung Choi, Johan Helsing, Mikyoung Lim
2018 J jnl
On Integral Equation Methods for the First Dirichlet Problem of the Biharmonic and Modified Biharmonic Equations in NonSmooth Domains.
SIAM J. Sci. Comput.
Johan Helsing, Shidong Jiang
2018 J jnl
On a Helmholtz transmission problem in planar domains with corners.
J. Comput. Phys.
Johan Helsing, Anders Karlsson
2016 J jnl
Determination of normalized electric eigenfields in microwave cavities with sharp edges.
J. Comput. Phys.
Johan Helsing, Anders Karlsson
2015 J jnl
Variants of an explicit kernel-split panel-based Nyström discretization scheme for Helmholtz boundary value problems.
Adv. Comput. Math.
Johan Helsing, Anders Holst
2014 J jnl
An explicit kernel-split panel-based Nyström scheme for integral equations on axially symmetric surfaces.
J. Comput. Phys.
Johan Helsing, Anders Karlsson
2013 J jnl
On the Stability of the Nyström Method for the Muskhelishvili Equation on Contours with Corners.
SIAM J. Numer. Anal.
Victor Didenko, Johan Helsing
2011 J jnl
A Fast and Stable Solver for Singular Integral Equations on Piecewise Smooth Curves.
SIAM J. Sci. Comput.
Johan Helsing
2011 J jnl
Stability of the Nyström Method for the Sherman-Lauricella Equation.
SIAM J. Numer. Anal.
Victor Didenko, Johan Helsing
2011 J jnl
The effective conductivity of arrays of squares: Large random unit cells and extreme contrast ratios.
J. Comput. Phys.
Johan Helsing
2011 J jnl
The effective conductivity of random checkerboards.
J. Comput. Phys.
Johan Helsing
2009 J jnl
Faster convergence and higher accuracy for the Dirichlet-Neumann map.
J. Comput. Phys.
Johan Helsing
2009 J jnl
Integral equation methods for elliptic problems with boundary conditions of mixed type.
J. Comput. Phys.
Johan Helsing
2008 J jnl
Corner singularities for elliptic problems: Integral equations, graded meshes, quadrature, and compressed inverse preconditioning.
J. Comput. Phys.
Johan Helsing, Rikard Ojala
2008 J jnl
On the evaluation of layer potentials close to their sources.
J. Comput. Phys.
Johan Helsing, Rikard Ojala
2000 J jnl
An Efficient Numerical Algorithm for Cracks Partly in Frictionless Contact.
SIAM J. Appl. Math.
Gunnar Peters, Johan Helsing
1998 J jnl
Integral Equation Methods and Numerical Solutions of Crack and Inclusion Problems in Planar Elastostatics.
SIAM J. Appl. Math.
Gunnar Peters, Johan Helsing