Results 71 to 80 of about 263,496 (313)

General Decay Rates for a Laminated Beam with Memory [PDF]

open access: yesTaiwanese Journal of Mathematics, 2019
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Chen, Zhijing   +2 more
openaire   +3 more sources

A Q‐Learning Algorithm to Solve the Two‐Player Zero‐Sum Game Problem for Nonlinear Systems

open access: yesInternational Journal of Adaptive Control and Signal Processing, Volume 39, Issue 3, Page 566-581, March 2025.
A Q‐learning algorithm to solve the two‐player zero‐sum game problem for nonlinear systems. ABSTRACT This paper deals with the two‐player zero‐sum game problem, which is a bounded L2$$ {L}_2 $$‐gain robust control problem. Finding an analytical solution to the complex Hamilton‐Jacobi‐Issacs (HJI) equation is a challenging task.
Afreen Islam   +2 more
wiley   +1 more source

New general decay results in an infinite memory viscoelastic problem with nonlinear damping

open access: yesBoundary Value Problems, 2019
This work is concerned with a viscoelastic equation with a nonlinear frictional damping and a relaxation function satisfying g′(t)≤−ξ(t)gp(t),t≥0,1 ...
Adel M. Al-Mahdi   +1 more
doaj   +1 more source

General decay for a nonlinear pseudo-parabolic equation with viscoelastic term

open access: yesDemonstratio Mathematica, 2022
This work is concerned with a multi-dimensional viscoelastic pseudo-parabolic equation with critical Sobolev exponent. First, with some suitable conditions, we prove that the weak solution exists globally.
Vu Ngo Tran   +2 more
doaj   +1 more source

Adaptive Observer for Coupled Wave PDE and Infinite ODE With Sampled Data and Unknown Input: Application to Brain Hemodynamics Estimation

open access: yesInternational Journal of Adaptive Control and Signal Processing, EarlyView.
This article proposes a convergent adaptive observer for a damped wave PDE and an infinite‐dimensional ODE coupled in cascade using sampled‐in‐space ODE state measurements. The proposed observer estimates the distributed states of the PDE and ODE along with unknown PDE parameters and spatial input.
Zehor Belkhatir   +2 more
wiley   +1 more source

How Does Processing Affect Storage in Working Memory Tasks? Evidence for Both Domain-General and Domain-Specific Effects

open access: yes, 2011
Two studies that examine whether the forgetting caused by the processing demands of working memory tasks is domain-general or domain-specific are presented. In each, separate groups of adult participants were asked to carry out either verbal or nonverbal
Harvey, Caroline E.   +7 more
core   +1 more source

Generalized Closeness and Decay-Stability of Some Graphs

open access: yesMathematics
Generalized closeness is a recently defined centrality measure. Decay stability, based on generalized closeness, was studied in [Coroničova Hurajova et al. Math. Scand., 2018, 123: 39-50] and several conjectures on decay stability of certain graph classes were put forward.
Darja Rupnik Poklukar, Janez Žerovnik
openaire   +3 more sources

General and optimal decay for a quasilinear viscoelastic equation

open access: yesApplied Mathematics Letters, 2017
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Salim A. Messaoudi, Waled Al-Khulaifi
openaire   +2 more sources

Revisiting Stability Criteria in Ball‐Milled High‐Entropy Alloys: Do Hume–Rothery and Thermodynamic Rules Equally Apply?

open access: yesAdvanced Engineering Materials, Volume 27, Issue 6, March 2025.
The stability criteria affecting the formation of high‐entropy alloys, particularly focusing in supersaturated solid solutions produced by mechanical alloying, are analyzed. Criteria based on Hume–Rothery rules are distinguished from those derived from thermodynamic relations. The formers are generally applicable to mechanically alloyed samples.
Javier S. Blázquez   +5 more
wiley   +1 more source

Carboxylic‐Acid Functionalized Multiwalled Carbon Nanotube‐Alkane‐Based Resistive Temperature Sensor for Cold Chain Applications

open access: yesAdvanced Engineering Materials, EarlyView.
This study presents a reversible temperature sensor with high switching ratio, ∼103. The device is fabricated using PET‐ITO and carbon nanotube dispersions in alkane. Considering its application in cold chain logistics, a proof‐of‐concept with LED is showcased. Thus, a temperature drop below the threshold temperature (crystallization temperature of the
Sunil Kumar Behera   +8 more
wiley   +1 more source

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