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Related papers: Memory-Type Null Controllability of Heat Equations…

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We study null controllability for linear heat-type systems in finite dimensions that incorporate both memory and time-delay effects. A strengthened notion of controllability, referred to as delay and memory-type null controllability, is…

Optimization and Control · Mathematics 2026-01-15 Dev Prakash Jha , Raju K. George

This article is devoted to studying the null controllability of evolution equations with memory terms. The problem is challenging not only because the state equation contains memory terms but also because the classical controllability…

Optimization and Control · Mathematics 2017-08-17 F. W. Chaves-Silva , X. Zhang , E. Zuazua

We study the memory-type null controllability property for wave equations involving memory terms. The goal is not only to drive the displacement and the velocity (of the considered wave) to rest at some time-instant but also to require the…

Optimization and Control · Mathematics 2017-11-15 Qi Lu , Xu Zhang , Enrique Zuazua

In this paper, we analyze the null controllability property for a degenerate parabolic equation involving memory terms with a locally distributed control. We first derive a null controllability result for a nonhomogeneous degenerate heat…

Optimization and Control · Mathematics 2021-07-07 Brahim Allal , Genni Fragnelli

This paper studies the memory-type null controllability of a class of one-dimensional non-autonomous degenerate parabolic equations with Volterra-type memory terms. The diffusion operator is considered in both divergence and non-divergence…

Optimization and Control · Mathematics 2026-04-06 Dev Prakash Jha , Raju K. George

In this paper we consider the null controllability for a population model depending on time, on space and on age. Moreover, the diffusion coefficient degenerate at the boundary of the space domain. The novelty of this paper is that for the…

Analysis of PDEs · Mathematics 2021-03-29 B. Allal , G. Fragnelli , J. Salhi

We study the minimum energy null-controllability problem for differential equations with point-wise delays. For the equations of both neutral and retarded type we reduce the problem of finding the optimal control to a Volterra integral…

Optimization and Control · Mathematics 2020-04-22 Pavel Barkhayev

Inspired in our work on the controllability for the semilinear with memory \cite{Carrasco-Guevara-Leiva:2017aa, Guevara-Leiva:2016aa, Guevara-Leiva:2017aa}, we present the general cases for the approximate controllability of impulsive…

Optimization and Control · Mathematics 2020-07-14 Cristi D. Guevara , Hugo Leiva

We prove an exact controllability result for a one-dimensional heat equation with delay in both lower and highest order terms and nonhomogeneous Dirichlet boundary conditions. Moreover, we give an explicit representation of the control…

Optimization and Control · Mathematics 2014-01-23 Denys Khusainov , Michael Pokojovy , Elvin Azizbayov

We study the existence of mild solutions and the approximate controllability for nonautonomous integrodifferential equations with state-dependent delay. We assume the approximate controllability of the linear part, and then we use resolvent…

Optimization and Control · Mathematics 2024-12-06 Mamadou Abdoul Diop , Mohammed Elghandouri , Khalil Ezzinbi

We analyze the control properties of heat equations with memory terms. We recall previous results showing that if the moving support of the control covers the whole domain where heat diffuses, the system is null controllable when the memory…

Optimization and Control · Mathematics 2025-11-05 Qi Lü , Xu Zhang , Enrique Zuazua

This article is devoted to study the interior approximated controllability of the strongly damped semilinear wave equation with memory, impulses and delay terms. The problem is challenging since the state equation contains memory and…

Optimization and Control · Mathematics 2017-04-11 Cristi Guevara , Hugo Leiva

The semilinear heat equation with non-instantaneous impulses \textbf{(NII)}, memory, and delay is considered and its approximate controllability is obtained. This is done by employing a technique that avoids fixed point theorems and pulls…

Dynamical Systems · Mathematics 2022-08-19 Hugo Leiva , Walid Zouhair , Mozhgan entekhabi Entekhabi , Euro Lucena Delgado

In this paper, we study the null controllability of the three-dimensional Stokes equations with a memory term. For any positive final time $T>0$, we construct initial conditions such that the null controllability does not hold even if the…

Analysis of PDEs · Mathematics 2024-02-02 Enrique Fernández-Cara , José Lucas F. Machado , Diego A. Souza

We study a general class of control systems with memory, which in particular includes systems with fractional derivatives and integrals and also the standard heat equation. We prove that the approximate controllability property of the heat…

Optimization and Control · Mathematics 2019-04-09 Luciano Pandolfi

In this paper, we study the relative controllability of linear difference equations with multiple delays in the state by using a suitable formula for the solutions of such systems in terms of their initial conditions, their control inputs,…

Optimization and Control · Mathematics 2017-10-27 Guilherme Mazanti

The semilinear beam equation with impulses, memory and delay is considered. We obtain the approximate controllability. This is done by employing a technique that avoids fixed point theorems and pulling back the control solution to a fixed…

Optimization and Control · Mathematics 2017-11-15 Alexander Carrasco , Cristi Guevara , Hugo Leiva

We study memory-type null controllability for linear parabolic equations with hereditary terms and time-dependent control regions. In contrast with classical null controllability, systems with memory require the simultaneous annihilation of…

Optimization and Control · Mathematics 2025-12-16 Dev Prakash Jha , Raju K. George

We are concerned about the null controllability of a linear degenerate parabolic equation with one delay parameter on the line $(0,1)$, where the control force is exerted on a subdomain of $(0,1)$ or on the boundary. For that we show how…

Optimization and Control · Mathematics 2019-02-07 E. L. Mustapha Ait Benhassi , Mohamed Fadili , Lahcen Maniar

The primary focus of this paper is to establish the internal null controllability for the one-dimensional heat equation featuring dynamic boundary conditions. This achievement is realized by introducing a new Carleman estimate and an…

Optimization and Control · Mathematics 2024-04-03 El Mustapha Ait Ben Hassi , Mariem Jakhoukh , Lahcen Maniar , Walid Zouhair
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