Results 31 to 40 of about 1,515 (263)

Exact Null Controllability of KdV-Burgers Equation with Memory Effect Systems

Abstract and Applied Analysis, 2012
This paper is concerned with exact null controllability analysis of nonlinear KdV-Burgers equation with memory. The proposed approach relies upon regression tool to prove controllability property of linearized KdV-Burgers equation via Carleman estimates.
Rajagounder Ravi Kumar, Kil To Chong, Jong Ho Park   +2 more
doaj   +1 more source

Null Controllability of a Four Stage and Age-Structured Population Dynamics Model

Journal of Mathematics, 2021
This paper is devoted to study the null controllability properties of a population dynamics model with age structuring and nonlocal boundary conditions.
Amidou Traoré, Bedr’Eddine Ainseba, Oumar Traoré   +2 more
doaj   +1 more source

Controllability to trajectories of a Ladyzhenskaya model for a viscous incompressible fluid

Comptes Rendus. Mathématique, 2021
We consider the controllability of a viscous incompressible fluid modeled by the Navier–Stokes system with a nonlinear viscosity. To prove the controllability to trajectories, we linearize around a trajectory and the corresponding linear system includes ...
Guerrero, Sergio, Takahashi, Takéo
doaj   +1 more source

On Hierarchical Composite Endpoints in Pediatric Cancer Supportive Care: Illustrative Examples From Two Multi‐Center Phase‐III Randomized Clinical Trials

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric supportive care clinical trials often involve multiple clinically important outcomes, complicating trial interpretation. Hierarchical composite endpoints (HCEs) provide a framework to integrate key outcomes according to clinical importance.
Willem H. Collier, Mark Zobeck, Adam J. Esbenshade, Christopher C. Dvorak, Lillian Sung, David Freyer, Sarah Alexander, Etan Orgel, Nicole J. Ullrich, Zach Prudowsky, Brian Fisher, Caitlin W. Elgarten   +11 more
wiley   +1 more source

Three phosphatase families form a community: The phosphohydrolases that act upon inositol pyrophosphates

FEBS Letters, EarlyView.
Inositol pyrophosphates are energy‐rich signaling molecules that perform critical functions in cells. Three different families of phosphatases hydrolyze the β phosphate of the inositol pyrophosphate molecules: two have narrow specificities and one is promiscuous.
Ronda J. Rolfes
wiley   +1 more source

On the null-controllability of diffusion equations [PDF]

ESAIM: Control, Optimisation and Calculus of Variations, 2010
Summary: This work studies the null-controllability of a class of abstract parabolic equations. The main contribution in the general case consists in giving a short proof of an abstract version of a sufficient condition for null-controllability which has been proposed by Lebeau and Robbiano.
Tenenbaum, G, Tucsnak, Marius
openaire   +2 more sources

An epithelial GPR35 isoform supports tumor‐associated transcriptional and metabolic phenotypes

FEBS Letters, EarlyView.
GPR35 generates two functionally distinct isoforms with previously unresolved roles. GPR35‐short mediates immune‐cell chemotaxis, while GPR35‐long is enriched in colorectal cancer epithelium, where it supports increased metabolism, proliferation, and tumor‐associated transcriptional programs.
Jørgen D. Rønneberg, Martine Hjeltnes, Josephine Krieger, Joshua E. Elias, Maria Stensland, Kristian Holm, Xiaojun Jiang, Chuki Khangsar, Tuula A. Nyman, Arthur Kaser, Johannes R. Hov, Tom H. Karlsen, Nicole C. Kaneider, Frode L. Jahnsen, Georg Schneditz   +14 more
wiley   +1 more source

Exact null controllability, complete stabilizability and continuous final observability of neutral type systems

International Journal of Applied Mathematics and Computer Science, 2017
For abstract linear systems in Hilbert spaces we revisit the problems of exact controllability and complete stabilizability (stabilizability with an arbitrary decay rate), the latter property being related to exact null controllability.
Rabah Rabah, Sklyar Grigory, Barkhayev Pavel   +2 more
doaj   +1 more source

Controllability of a fluid-structure interaction system coupling the Navier–Stokes system and a damped beam equation

Comptes Rendus. Mathématique, 2023
We show the local null-controllability of a fluid-structure interaction system coupling a viscous incompressible fluid with a damped beam located on a part of its boundary.
Buffe, Rémi, Takahashi, Takéo
doaj   +1 more source

Null controllability on Lie groups [PDF]

Proyecciones (Antofagasta), 2013
We prove an extension of a classical result for null controllability of linear control systems on Euclidean spaces, to linear control systems on a connected Lie group G, assumed to be simply connected and nilpotent.
Ayala, Víctor, Kizil, Eyüp
openaire   +3 more sources