Asymptotic analysis of solving an inverse boundary value problem for a nonlinear singularly perturbed time-periodic reaction-diffusion-advection equation

DV Lukyanenko, MA Shishlenin… - Journal of Inverse and Ill …, 2019 - degruyter.com
In this paper, a new asymptotic-numerical approach to solving an inverse boundary value
problem for a nonlinear singularly perturbed parabolic equation with time-periodic …

[HTML][HTML] Solving of the coefficient inverse problem for a nonlinear singularly perturbed two-dimensional reaction–diffusion equation with the location of moving front …

DV Lukyanenko, VB Grigorev, VT Volkov… - … & Mathematics with …, 2019 - Elsevier
Asymptotic-numerical approach to solving the coefficient inverse problem for a nonlinear
singularly perturbed two-dimensional reaction–diffusion equation by knowing the location of …

Numerical solution of the multidimensional Gelfand–Levitan equation

SI Kabanikhin, KK Sabelfeld, NS Novikov… - Journal of Inverse and …, 2015 - degruyter.com
The coefficient inverse problem for the two-dimensional wave equation is solved. We apply
the Gelfand–Levitan approach to transform the nonlinear inverse problem to a family of …

Fast Toeplitz linear system inversion for solving two-dimensional acoustic inverse problem

SI Kabanikhin, NS Novikov, IV Oseledets… - Journal of inverse and …, 2015 - degruyter.com
The coefficient inverse problem for the acoustic equation is considered. We propose the
method for reconstructing the density based on the N-approximation by the finite system of …

A new version of the convexification method for a 1D coefficient inverse problem with experimental data

MV Klibanov, AE Kolesov, A Sullivan… - Inverse Problems, 2018 - iopscience.iop.org
A new version of the convexification method is developed analytically and tested
numerically for a 1D coefficient inverse problem in the frequency domain. Unlike the …

Spectral, Scattering and Dynamics: Gelfand–Levitan–Marchenko–Krein Equations

S Kabanikhin, M Shishlenin, N Novikov, N Prokhoshin - Mathematics, 2023 - mdpi.com
In this paper, we consider the Gelfand–Levitan–Marchenko–Krein approach. It is used for
solving a variety of inverse problems, like inverse scattering or inverse problems for wave …

A modification of gradient Descent method for solving coefficient inverse problem for acoustics equations

D Klyuchinskiy, N Novikov, M Shishlenin - Computation, 2020 - mdpi.com
We investigate the mathematical model of the 2D acoustic waves propagation in a
heterogeneous domain. The hyperbolic first order system of partial differential equations is …

Numerics of acoustical 2D tomography based on the conservation laws

SI Kabanikhin, DV Klyuchinskiy, NS Novikov… - Journal of Inverse and …, 2020 - degruyter.com
We investigate the mathematical modeling of the 2D acoustic waves propagation, based on
the conservation laws. The hyperbolic first-order system of partial differential equations is …

Convexification numerical method for a coefficient inverse problem for the radiative transport equation

MV Klibanov, J Li, LH Nguyen, Z Yang - SIAM Journal on Imaging Sciences, 2023 - SIAM
An-D coefficient inverse problem for the stationary radiative transport equation is considered
for the first time. A globally convergent so-called convexification numerical method is …

Direct Method for Identification of Two Coefficients of Acoustic Equation

N Novikov, M Shishlenin - Mathematics, 2023 - mdpi.com
We consider the coefficient inverse problem for the 2D acoustic equation. The problem is
recovering the speed of sound in the medium (which depends only on the depth) and the …