Results 41 to 50 of about 31,809 (190)

Schauder’s fixed-point theorem in approximate controllability problems

open access: yesInternational Journal of Applied Mathematics and Computer Science, 2016
The main objective of this article is to present the state of the art concerning approximate controllability of dynamic systems in infinite-dimensional spaces.
Babiarz Artur   +2 more
doaj   +1 more source

Hilfer fractional neutral stochastic Sobolev-type evolution hemivariational inequality: Existence and controllability☆

open access: yesAin Shams Engineering Journal, 2023
This paper discusses the approximate controllability of hemivariational inequalities of the Sobolev-type Hilfer fractional neutral stochastic evolution system.
Yong-Ki Ma   +5 more
doaj   +1 more source

Exact observability and controllability for linear neutral type systems [PDF]

open access: yes, 2015
The problem of exact observability is analyzed for a wide class of neutral type systems by an infinite dimensional approach. The duality with the exact controllabil-ity problem is the main tool.
Rabah, Rabah, Sklyar, Grigory
core   +4 more sources

A note on the approximate controllability of second-order integro-differential evolution control systems via resolvent operators

open access: yesAdvances in Difference Equations, 2021
The approximate controllability of second-order integro-differential evolution control systems using resolvent operators is the focus of this work. We analyze approximate controllability outcomes by referring to fractional theories, resolvent operators ...
Velusamy Vijayakumar   +4 more
doaj   +1 more source

Approximating with Lipschitz Controls

open access: yesJournal of Approximation Theory, 2000
The author considers nonlinear nonconvex control systems of the form \(x'(t) = f(x(t),u(t))\) where \(u(t)\) belongs to a connected subset \(\Omega\) of a compact metric space. Introducing two families of time-dependent controls, the measurable one and the Lipschitz one, for a given initial value \(x\in \mathbb{R}^n\), the author estimates the distance
openaire   +2 more sources

Approximate Controllability of Fractional Sobolev-Type Evolution Equations in Banach Spaces

open access: yesAbstract and Applied Analysis, 2013
We discuss the approximate controllability of semilinear fractional Sobolev-type differential system under the assumption that the corresponding linear system is approximately controllable.
N. I. Mahmudov
doaj   +1 more source

A deterministic criterion for approximate controllability of stochastic differential equations with jumps

open access: yesResults in Applied Mathematics
This paper investigates the approximate controllability and approximate null controllability of a class of linear stochastic systems driven by Gaussian random measures.
Junfei Guo   +3 more
doaj   +1 more source

Nonequivalence of Controllability Properties for Piecewise Linear Markov Switch Processes *

open access: yesESAIM: Proceedings and Surveys, 2017
In this paper we study the exact null-controllability property for a class of controlled PDMP of switch type with switch-dependent, piecewise linear dynamics and multiplicative jumps.
Goreac Dan
doaj   +1 more source

Approximate controllability and approximate null controllability of semilinear systems

open access: yesCommunications on Pure & Applied Analysis, 2006
The approximate controllability and approximate null controllability of control systems governed by a class of abstract semilinear integrodifferential equations are discussed in this paper. Sufficient conditions for approximate controllability and approximate null controllability are obtained providing the approximate controllability and exact null
openaire   +1 more source

Approximate Controllability of Distributed Systems by Distributed Controller

open access: yesDifferential Equations, 2005
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Benzion Shklyar, Vladimir Marchenko
openaire   +3 more sources

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