Solving coefficient inverse problems for nonlinear singularly perturbed equations of the reaction-diffusion-advection type with data on the position of a reaction front

DV Lukyanenko, AA Borzunov… - … in nonlinear science and …, 2021 - Elsevier
An approach to solving coefficient inverse problems for nonlinear reaction-diffusion-
advection equations is proposed. As an example, we consider an inverse problem of …

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 …

CPU-time and RAM memory optimization for solving dynamic inverse problems using gradient-based approach

DV Klyuchinskiy, NS Novikov, MA Shishlenin - Journal of Computational …, 2021 - Elsevier
Numerical solution of inverse problem for 2D acoustic system of conservation laws by
gradient type method requires storage of O (N 3) elements which is crucial on large grids …

The problem of the non-uniqueness of the solution to the inverse problem of recovering the symmetric states of a bistable medium with data on the position of an …

N Levashova, A Gorbachev, R Argun, D Lukyanenko - Symmetry, 2021 - mdpi.com
The paper considers the question of the possibility of recovering symmetric stable states of a
bistable medium in the inverse problem for a nonlinear singularly perturbed autowave …

Existence and stability of periodic contrast structure in reaction-advection-diffusion equation with discontinuous reactive and convective terms

X Wu, M Ni - Communications in Nonlinear Science and Numerical …, 2020 - Elsevier
In this project, we study the periodic Dirichlet boundary value problem for a singularly
perturbed reaction-advection-diffusion equation on the segment in case of discontinuous …

Convergence analysis for forward and inverse problems in singularly perturbed time-dependent reaction-advection-diffusion equations

D Chaikovskii, Y Zhang - Journal of Computational Physics, 2022 - Elsevier
In this paper, by employing the asymptotic expansion method, we prove the existence and
uniqueness of a smoothing solution for a time-dependent nonlinear singularly perturbed …

Asymptotic stability of a stationary solution of a multidimensional reaction–diffusion equation with a discontinuous source

NT Levashova, NN Nefedov, AO Orlov - Computational Mathematics and …, 2019 - Springer
A two-dimensional reaction–diffusion equation in a medium with discontinuous
characteristics is considered; the existence, local uniqueness, and asymptotic stability of its …

[PDF][PDF] Piecewise reproducing kernel-based symmetric collocation approach for linear stationary singularly perturbed problems

FZ Geng - AIMS Math, 2020 - aimspress.com
Piecewise reproducing kernel-based symmetric collocation approach for linear stationary
singularly perturbed problems Page 1 http://www.aimspress.com/journal/Math AIMS …

Some features of solving an inverse backward problem for a generalized Burgers' equation

DV Lukyanenko, IV Prigorniy… - Journal of Inverse and Ill …, 2020 - degruyter.com
In this paper, we consider an inverse backward problem for a nonlinear singularly perturbed
parabolic equation of the Burgers' type. We demonstrate how a method of asymptotic …