English
Related papers

Related papers: Controllability and Inverse Problems for Parabolic…

200 papers

This review examines classical and recent results on controllability and inverse problems for hyperbolic and dispersive equations with dynamic boundary conditions. We aim to illustrate the applicability of Carleman estimates to establish…

Optimization and Control · Mathematics 2025-05-22 S. E. Chorfi , L. Maniar , R. Morales

This paper is concerned with the null controllability for linear backward stochastic parabolic equations with dynamic boundary conditions and convection terms. Using the classical duality argument, the null controllability is obtained via…

Optimization and Control · Mathematics 2025-01-17 Mahmoud Baroun , Said Boulite , Abdellatif Elgrou , Lahcen Maniar

We prove null controllability for linear and semilinear heat equations with dynamic boundary conditions of surface diffusion type. The results are based on a new Carleman estimate for this type of boundary conditions.

Optimization and Control · Mathematics 2013-11-05 Lahcen Maniar , Martin Meyries , Roland Schnaubelt

In this paper, we study an inverse problem for linear parabolic system with variable diffusion coefficients subject to dynamic boundary conditions. We prove a global Lipschitz stability for the inverse problem involving a simultaneous…

Analysis of PDEs · Mathematics 2022-01-04 E. M. Ait Ben Hassi , S. E. Chorfi , L. Maniar , O. Oukdach

We consider a $2\times 2$ system of parabolic equations with first and zeroth coupling and establish a Carleman estimate by extra data of only one component without data of initial values. Then we apply the Carleman estimate to inverse…

Analysis of PDEs · Mathematics 2008-09-10 Assia Benabdallah , Michel Cristofol , Patricia Gaitan , Masahiro Yamamoto

This paper addresses null controllability for both forward and backward linear stochastic parabolic equations by introducing convection terms on the drift parts with bounded coefficients. Moreover, the forward stochastic parabolic equation…

Optimization and Control · Mathematics 2023-11-23 M. Baroun , S. Boulite , A. Elgrou , L. Maniar

In this paper, we study the null controllability of weakly degenerate coupled parabolic systems with two different diffusion coefficients and one control force. To obtain this aim, we develop first new global Carleman estimates for…

Analysis of PDEs · Mathematics 2011-11-17 E. M. Ait Ben Hassi , F. Ammar Khodja , A. Hajjaj , L. Maniar

In this article we establish the well-posedness, energy estimates, stability, and local null controllability for the thermistor system modeled by a parabolic-parabolic system using a control force acting on just one equation of the system.…

Analysis of PDEs · Mathematics 2025-12-02 Miguel R. Nuñez-Chávez , Luis P. Yapu , Juan Límaco

This paper is about Holder and Lipschitz stability estimates and uniqueness theorems for some coefficient inverse problems and associated inverse source problems for a general linear parabolic equation of the second order with variable…

Mathematical Physics · Physics 2024-01-17 Michael V. Klibanov

In this paper, we present a refined approach to establish a global Lipschitz stability for an inverse source problem concerning the determination of forcing terms in the wave equation with mixed boundary conditions. It consists of boundary…

Analysis of PDEs · Mathematics 2026-02-06 S. E. Chorfi , G. El Guermai , L. Maniar , W. Zouhair

This paper deals with the insensitizing controllability property of the quasilinear parabolic equation with dynamic boundary conditions. This problem can be reformulated as a null controllability problem for a cascade quasilinear system…

Optimization and Control · Mathematics 2024-12-02 Idriss Boutaayamoua , Fouad Et-tahri , Lahcen Maniar

In this paper, we study several theoretical and numerical questions concerning the null controllability problems for linear parabolic equations and systems for several dimensions. The control is distributed and acts on a small subset of the…

Optimization and Control · Mathematics 2024-11-22 Enrique Fernandez-Cara , Roberto Morales , Diego A. Souza

We prove a Carleman estimate for a one-dimensional parabolic equation which degenerates at one extremity of the domain and has a bounded, time dependent coefficient multiplying the diffusion term. Then we use the estimate to show the null…

Analysis of PDEs · Mathematics 2025-08-26 Alfredo S. Gamboa , Juan Limaco , Luis P. Yapu

In this paper, we continue the study of some controllability issues for the forward stochastic parabolic equation with dynamic boundary conditions. The main novelty in the present paper consists of considering only one control without extra…

Analysis of PDEs · Mathematics 2024-03-14 Said Boulite , Abdellatif Elgrou , Lahcen Maniar , Omar Oukdach

We establish the null controllability of forward and backward linear stochastic parabolic equations with linear Robin (or Fourier) boundary conditions. These equations incorporate zero and first order terms with bounded coefficients. To…

Analysis of PDEs · Mathematics 2024-06-13 Said Boulite , Abdellatif Elgrou , Lahcen Maniar

In this paper, we prove the small-time global null-controllability of forward (resp. backward) semilinear stochastic parabolic equations with globally Lipschitz nonlinearities in the drift and diffusion terms (resp. in the drift term). In…

Analysis of PDEs · Mathematics 2020-10-20 Víctor Hernández-Santamaría , Kévin Le Balc'h , Liliana Peralta

This paper aims to establish null controllability for systems coupled by two backward fourth order stochastic parabolic equations. The main goal is to control both equations with only one control act on the drift term. To achieve this, we…

Optimization and Control · Mathematics 2024-04-15 Yu Wang

In this paper, we establish two Carleman estimates for a stochastic degenerate parabolic equation. The first one is for the backward stochastic degenerate parabolic equation with singular weight function. Combining this Carleman estimate…

Optimization and Control · Mathematics 2020-08-26 Bin Wu , Qun Chen , Zewen Wang

In this work we develop a new numerical approach for recovering a spatially dependent source component in a standard parabolic equation from partial interior measurements. We establish novel conditional Lipschitz stability and H\"{o}lder…

Numerical Analysis · Mathematics 2025-08-22 Tianhao Hu , Xinchi Huang , Bangti Jin , Qimeng Quan , Zhi Zhou

This paper deals with controllability properties of a cubic Ginzburg-Landau equation with dynamic boundary conditions. More precisely, we prove a local null controllability result by using a single control supported in a small subset of the…

Analysis of PDEs · Mathematics 2023-09-14 Nicolás Carreño , Alberto Mercado , Roberto Morales
‹ Prev 1 2 3 10 Next ›