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Given a finite-dimensional time continuous control system and $\varepsilon>0$, we address the question of the existence of controls that maintain the corresponding state trajectories in the $\varepsilon$-neighborhood of any prescribed path…

最优化与控制 · 数学 2025-11-18 Manuel Rissel , Marius Tucsnak

We discuss several new results on nonnegative approximate controllability for the one-dimensional Heat equation governed by either multiplicative or nonnegative additive control, acting within a proper subset of the space domain at every…

最优化与控制 · 数学 2011-02-21 Luis A. Fernandez , Alexander Y. Khapalov

In this paper, we study the local exact controllability to special trajectories of the micropolar fluid systems in dimension d = 2 and d = 3. We show that controllability is possible acting only on one velocity.

最优化与控制 · 数学 2016-02-09 Sergio Guerrero , Pierre Cornilleau

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…

偏微分方程分析 · 数学 2024-06-13 Said Boulite , Abdellatif Elgrou , Lahcen Maniar

In this paper, motivated by the study of optimal control problems for infinite dimensional systems with endpoint state constraints, we introduce the notion of finite codimensional (exact/approximate) controllability. Some equivalent…

最优化与控制 · 数学 2018-10-03 Xu Liu , Qi Lü , Xu Zhang

This paper focuses on the optimal control of weak (i.e. in general non smooth) solutions to the continuity equation with non local flow. Our driving examples are a supply chain model and an equation for the description of pedestrian flows.…

偏微分方程分析 · 数学 2009-02-17 Rinaldo M. Colombo , Michael Herty , Magali Mercier

This note deals with the local exact controllability to a particular class of trajectories for the Boussinesq system with nonlinear Navier-slip boundary conditions and internal controls having vanishing components. Briefly speaking, in two…

最优化与控制 · 数学 2024-09-11 Cristhian Montoya

In this work, we investigate the small-time global controllability properties of a class of fourth-order nonlinear parabolic equations driven by a bilinear control posed on the one-dimensional torus. The controls depend only on time and act…

最优化与控制 · 数学 2026-01-13 Subrata Majumdar , Debanjit Mondal

Recently, domain-uniform stabilizability and detectability has been the central assumption %in order robustness results on the to ensure robustness in the sense of exponential decay of spatially localized perturbations in optimally…

最优化与控制 · 数学 2025-02-18 Benedikt Oppeneiger , Manuel Schaller , Karl Worthmann

In this paper, we study the global approximate multiplicative controllability for nonlinear degenerate parabolic Cauchy-Neumann problems. First, we will obtain embedding results for weighted Sobolev spaces, that have proved decisive in…

偏微分方程分析 · 数学 2014-06-06 Giuseppe Floridia

We describe a new method which allows us to obtain a result of exact controllability to trajectories of multidimensional conservation laws in the context of entropy solutions and under a mere non-degeneracy assumption on the flux and a…

偏微分方程分析 · 数学 2019-03-19 Carlotta Donadello , Vincent Perrollaz

We investigate smooth and sparse optimal control problems for convective FitzHugh-Nagumo equation with travelling wave solutions in moving excitable media. The cost function includes distributed space-time and terminal observations or…

最优化与控制 · 数学 2017-04-25 Murat Uzunca , Tuğba Küçükseyhan , Hamdullah Yücel , Bülent Karasözen

The path-integral control, which stems from the stochastic Hamilton-Jacobi-Bellman equation, is one of the methods to control stochastic nonlinear systems. This paper gives a new insight into nonlinear stochastic optimal control problems…

最优化与控制 · 数学 2021-09-14 Jun Ohkubo

This article presents some controllability and stabilization results for a system of two coupled linear Schr\"odinger equations in the one-dimensional case where the state components are interacting through the Kirchhoff boundary…

偏微分方程分析 · 数学 2024-03-21 K. Bhandari , R. de A. Capistrano-Filho , S. Majumdar , T. Y. Tanaka

The local controllability of a rich class of affine nonlinear control systems with nonhomogeneous quadratic drift and constant control vector fields is analyzed. The interest in this particular class of systems stems from the ubiquity in…

最优化与控制 · 数学 2024-10-08 Moise R. Mouyebe , Anthony M. Bloch

We prove that the KdV equation on the circle remains exactly controllable in arbitrary time with localized control, for sufficiently small data, also in presence of quasi-linear perturbations, namely nonlinearities containing up to three…

偏微分方程分析 · 数学 2017-03-08 Pietro Baldi , Giuseppe Floridia , Emanuele Haus

We consider the internal control of linear parabolic equations through on-off shape controls, i.e., controls of the form $M(t)\chi_{\omega(t)}$ with $M(t) \geq 0$ and $\omega(t)$ with a prescribed maximal measure. We establish small-time…

最优化与控制 · 数学 2024-01-09 Camille Pouchol , Emmanuel Trélat , Christophe Zhang

In this paper, we study the controllability of a Schr\"odinger equation with mixed boundary conditions on disjoint subsets of the boundary: dynamic boundary condition of Wentzell type, and Dirichlet boundary condition. The main result of…

最优化与控制 · 数学 2023-01-09 Alberto Mercado , Roberto Morales

It has been observed that certain classical chains admit topologically protected zero-energy modes that are localized on the boundaries. The static features of such localized modes are captured by linearized equations of motion, but the…

软凝聚态物质 · 物理学 2018-07-18 Koji Sato , Ryokichi Tanaka

This work examines the controllability of planar incompressible ideal magnetohydrodynamics (MHD). Interior controls are obtained for problems posed in doubly-connected regions; simply-connected configurations are driven by boundary…

偏微分方程分析 · 数学 2025-08-13 Manuel Rissel