Results 31 to 40 of about 3,779 (296)

Finite-approximate controllability of Hilfer fractional evolution equations of Sobolev type with nonlocal conditions

open access: yes上海师范大学学报. 自然科学版, 2020
We discuss the finite-approximate controllability of Hilfer fractional evolution equations of Sobolev type with nonlocal conditions in Hilbert spaces.With the assumption that the corresponding linear system is approximately controllable,we obtain ...
WANG Xingzhao   +3 more
doaj   +1 more source

Discussion on the Approximate Controllability of Hilfer Fractional Neutral Integro-Differential Inclusions via Almost Sectorial Operators

open access: yesFractal and Fractional, 2022
This paper focuses on the approximate controllability of Hilfer fractional neutral Volterra integro-differential inclusions via almost sectorial operators.
Chandrabose Sindhu Varun Bose   +4 more
doaj   +1 more source

Results on the approximate controllability of Atangana-Baleanu fractional stochastic delay integrodifferential systems

open access: yesAlexandria Engineering Journal, 2023
The approximate controllability results of Atangana-Baleanu fractional stochastic integrodifferential systems with infinite delay are the topic of this paper.
M. Johnson   +5 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

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

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

Approximate and exact controllability of linear difference equations

open access: yes, 2020
International audienceIn this paper, we study approximate and exact controllability of the linear difference equation $x(t) = \sum_{j=1}^N A_j x(t - \Lambda_j) + B u(t)$ in $L^2$, with $x(t) \in \mathbb C^d$ and $u(t) \in \mathbb C^m$, using as a basic ...
Guilherme Mazanti   +5 more
core   +1 more source

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

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

Carcinomas and Carcinoid Tumors of the Lungs and Bronchi in Children and Adolescents: The EXPeRT Recommendations

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Primary lung carcinomas and bronchial carcinoid tumors (BC) are very rare malignancies in childhood. While typical BC and mucoepidermoid carcinomas are mostly low‐grade, localized tumors with a more favorable prognosis than in adults, necessitating avoidance of overtreatment, adenocarcinomas of the lung are often diagnosed at advanced disease ...
Michael Abele   +19 more
wiley   +1 more source

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