Bayesian approach to inverse scattering with topological priors

A Carpio, S Iakunin, G Stadler - Inverse Problems, 2020 - iopscience.iop.org
We propose a Bayesian inference framework to estimate uncertainties in inverse scattering
problems. Given the observed data, the forward model and their uncertainties, we find the …

Stability estimates of Nyström discretizations of Helmholtz decomposition boundary integral equation formulations for the solution of Navier scattering problems in two …

V Domínguez, C Turc - IMA Journal of Numerical Analysis, 2024 - academic.oup.com
Helmholtz decompositions of elastic fields is a common approach for the solution of Navier
scattering problems. Used in the context of boundary integral equations (BIE), this approach …

Convolution quadrature for wave simulations

M Hassell, FJ Sayas - Numerical Simulation in Physics and Engineering …, 2016 - Springer
These notes develop the algorithmic aspects of convolution equations and their
discretization by Convolution Quadrature, with an emphasis on the convolution equations …

[HTML][HTML] A fully discrete Calderón calculus for the two-dimensional elastic wave equation

V Domínguez, T Sánchez-Vizuet, FJ Sayas - Computers & Mathematics …, 2015 - Elsevier
In this paper we present a full discretization of the layer potentials and boundary integral
operators for the elastic wave equation on a parametrizable smooth closed curve in the …

High-order Nyström discretizations for the solution of integral equation formulations of two-dimensional Helmholtz transmission problems

Y Boubendir, C Turc… - IMA Journal of Numerical …, 2016 - academic.oup.com
We present and analyse fully discrete Nyström methods for the solution of three classes of
well-conditioned boundary integral equations for the solution of two-dimensional scattering …

Seeing the invisible: Digital holography

A Carpio - European Mathematical Society Magazine, 2022 - ems.press
For the past years there has been an increasing interest in developing mathematical and
computational methods for digital holography. Holographic techniques furnish noninvasive …

Robust boundary integral equations for the solution of elastic scattering problems via Helmholtz decompositions

V Domínguez, C Turc - Computers & Mathematics with Applications, 2024 - Elsevier
Helmholtz decompositions of the elastic fields open up new avenues for the solution of
linear elastic scattering problems via boundary integral equations (BIE)(Dong et …

Convergence of a simple discretization of the finite Hilbert transformation

M Costabel - Computers & Mathematics with Applications, 2023 - Elsevier
For a singular integral equation on an interval of the real line, we study the behavior of the
error of a delta-delta discretization. We show that the convergence is non-uniform, between …

[图书][B] Time domain boundary integral equation methods in acoustics, heat diffusion and electromagnetism

T Qiu - 2016 - search.proquest.com
This thesis analyzes the discretization error induced by the Convolution Quadrature Galerkin
method in seeking the numerical solution to time domain boundary integral equations …

High-Order Nystr\" om/Convolution-Quadrature Solution of Time-Domain Scattering from Closed and Open Lipschitz Boundaries with Dirichlet and Neumann …

PP Petropoulos, C Turc, E Wind-andersen - arXiv preprint arXiv …, 2021 - arxiv.org
We investigate high-order Convolution Quadratures methods for the solution of the wave
equation in unbounded domains in two dimensions that rely on Nystr\" om discretizations for …