Inverse problems and Carleman estimates

MV Klibanov - Inverse problems, 1992 - iopscience.iop.org
Inverse problems and Carleman estimates Page 1 Inverse Problems Inverse problems and
Carleman estimates To cite this article: MV Klibanov 1992 Inverse Problems 8 575 View the …

[HTML][HTML] Uniqueness, reconstruction and stability for an inverse problem of a semi-linear wave equation

M Lassas, T Liimatainen… - Journal of Differential …, 2022 - Elsevier
We consider the recovery of a potential associated with a semi-linear wave equation on R
n+ 1, n≥ 1. We show that an unknown potential a (x, t) of the wave equation□ u+ aum= 0 …

Convexification for an inverse parabolic problem

MV Klibanov, J Li, W Zhang - Inverse Problems, 2020 - iopscience.iop.org
A convexification-based numerical method for a coefficient inverse problem for a parabolic
PDE is presented. The key element of this method is the presence of the so-called Carleman …

Convexification for a three-dimensional inverse scattering problem with the moving point source

VA Khoa, MV Klibanov, LH Nguyen - SIAM Journal on Imaging Sciences, 2020 - SIAM
For the first time, we develop in this paper the globally convergent convexification numerical
method for a coefficient inverse problem for the three-dimensional Helmholtz equation for …

Deep learning architectures for nonlinear operator functions and nonlinear inverse problems

MV de Hoop, M Lassas, CA Wong - Mathematical Statistics and Learning, 2022 - ems.press
We develop a theoretical analysis for special neural network architectures, termed operator
recurrent neural networks, for approximating nonlinear functions whose inputs are linear …

Untangling the nonlinearity in inverse scattering with data-driven reduced order models

L Borcea, V Druskin, AV Mamonov… - Inverse Problems, 2018 - iopscience.iop.org
The motivation of this work is an inverse problem for the acoustic wave equation, where an
array of sensors probes an unknown medium with pulses and measures the scattered …

Uniqueness and stability of an inverse problem for a semi-linear wave equation

M Lassas, T Liimatainen… - arxiv preprint arxiv …, 2020 - arxiv.org
We consider the recovery of a potential associated with a semi-linear wave equation on
$\mathbb {R}^{n+ 1} $, $ n\geq 1$. We show a H\" older stability estimate for the recovery of …

Linearized boundary control method for density reconstruction in acoustic wave equations

L Oksanen, T Yang, Y Yang - Inverse Problems, 2024 - iopscience.iop.org
We develop a linearized boundary control method for the inverse boundary value problem of
determining a density in the acoustic wave equation. The objective is to reconstruct an …

Stability estimates for inverse problems for semi-linear wave equations on Lorentzian manifolds

M Lassas, T Liimatainen… - arxiv preprint arxiv …, 2021 - arxiv.org
This paper concerns an inverse boundary value problem of recovering a zeroth order time-
dependent term of a semi-linear wave equation on a globally hyperbolic Lorentzian …

A globally convergent numerical method for a 3D coefficient inverse problem for a wave-like equation

MV Klibanov, J Li, W Zhang - SIAM Journal on Scientific Computing, 2022 - SIAM
A version of the convexification globally convergent numerical method is constructed for a
coefficient inverse problem for a wave-like partial differential equation. The presence of the …