Series reversion in Calderón's problem

H Garde, N Hyvönen - Mathematics of Computation, 2022 - ams.org
This work derives explicit series reversions for the solution of Calderón's problem. The
governing elliptic partial differential equation is $\nabla\cdot (A\nabla u)= 0$ in a bounded …

Spatial regularization and level-set methods for experimental electrical impedance tomography with partial data

AMA Alghamdi, MS Carøe, JM Everink… - Applied Mathematics …, 2024 - aimsciences.org
Electrical Impedance Tomography (EIT) aims at reconstructing the electric conductivity
distribution in a body from electro-static boundary measurements. The inverse problem is …

Monotonicity principle in tomography of nonlinear conducting materials

AC Esposito, L Faella, G Piscitelli, R Prakash… - Inverse …, 2021 - iopscience.iop.org
We treat an inverse electrical conductivity problem which deals with the reconstruction of
nonlinear electrical conductivity starting from boundary measurements in steady currents …

Monotonicity in inverse obstacle scattering on unbounded domains

A Albicker, R Griesmaier - Inverse Problems, 2020 - iopscience.iop.org
We consider an inverse obstacle scattering problem for the Helmholtz equation with
obstacles that carry mixed Dirichlet and Neumann boundary conditions. We discuss far field …

Uniqueness, stability and global convergence for a discrete inverse elliptic Robin transmission problem

B Harrach - Numerische Mathematik, 2021 - Springer
We derive a simple criterion that ensures uniqueness, Lipschitz stability and global
convergence of Newton's method for the finite dimensional zero-finding problem of a …

Reconstruction of singular and degenerate inclusions in Calder\'on's problem

H Garde, N Hyvönen - arXiv preprint arXiv:2106.07764, 2021 - arxiv.org
We consider the reconstruction of the support of an unknown perturbation to a known
conductivity coefficient in Calder\'on's problem. In a previous result by the authors on …

Monotonicity-based shape reconstruction for an inverse scattering problem in a waveguide

T Arens, R Griesmaier, R Zhang - Inverse Problems, 2023 - iopscience.iop.org
We consider an inverse medium scattering problem for the Helmholtz equation in a closed
cylindrical waveguide with penetrable compactly supported scattering objects. We develop …

[HTML][HTML] Simplified reconstruction of layered materials in EIT

H Garde - Applied Mathematics Letters, 2022 - Elsevier
This short note considerably simplifies a reconstruction method by the author (Garde, 2020),
for reconstructing piecewise constant layered conductivities (PCLC) from partial boundary …

On the reconstruction of cavities in a nonlinear model arising from cardiac electrophysiology

E Beretta, MC Cerutti, D Pierotti… - … : Control, Optimisation and …, 2023 - esaim-cocv.org
In this paper, we deal with the problem of determining perfectly insulating regions (cavities)
from one boundary measurement in a nonlinear elliptic equation arising from cardiac …

The monotonicity method for inclusion detection and the time harmonic elastic wave equation

S Eberle-Blick, V Pohjola - Inverse Problems, 2024 - iopscience.iop.org
We consider the problem of reconstructing inhomogeneities in an isotropic elastic body
using time harmonic waves. Here we extend the so called monotonicity method for inclusion …