Results 261 to 270 of about 3,186,083 (334)

Quantum magnetic J-oscillators. [PDF]

Nat Commun
Xu J, Kircher R, Tretiak O, Budker D, Barskiy DA.   +4 more
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The role of fractal dimension in wireless mesh network performance. [PDF]

Sci Rep
Zaidyn M, Akhtanov S, Turlykozhayeva D, Temesheva S, Akhmetali A, Skabylov A, Ussipov N.   +6 more
europepmc   +1 more source

Updating "Stroke 1-2-0" by Extending Recognition to Posterior-Circulation Stroke and Reinforcing Rapid Action in China. [PDF]

CNS Neurosci Ther
Zhao J, Ji Q, Ji X, Liu R.
europepmc   +1 more source

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Results concerning to approximate controllability of non‐densely defined Sobolev‐type Hilfer fractional neutral delay differential system

Mathematical methods in the applied sciences, 2021
In this manuscript, our primary focus on the approximate controllability outcomes for non‐densely defined Sobolev‐type Hilfer fractional neutral differential system with infinite delay. By applying the findings and facts associated with fractional theory
K. S. Nisar, V. Vijayakumar
semanticscholar   +1 more source

On the relative controllability of neutral delay differential equations

Journal of Mathematics and Physics, 2021
In this paper, we study a class of neutral time-delay control systems. The relative controllability of the linear system is given by constructing the corresponding neutral delay Gramian matrix and adopting the classical analysis idea.
Zhongli You, Michal Feckan, Jinrong Wang
semanticscholar   +1 more source

Oscillations of Neutral Delay Differential Equations

Canadian Mathematical Bulletin, 1986
AbstractThe oscillatory behavior of the solutions of the neutral delay differential equationwhere p, τ, and a are positive constants and Q ∊ C([t0, ∞), ℝ+), are studied.
Ladas, G., Sficas, Y. G.
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Stability and delay sensitivity of neutral fractional-delay systems

Chaos: An Interdisciplinary Journal of Nonlinear Science, 2016
This paper generalizes the stability test method via integral estimation for integer-order neutral time-delay systems to neutral fractional-delay systems. The key step in stability test is the calculation of the number of unstable characteristic roots that is described by a definite integral over an interval from zero to a sufficient large upper limit.
Qi Xu, Min Shi, Zaihua Wang
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Sharp oscillation criteria for second‐order neutral delay differential equations

Mathematical methods in the applied sciences, 2020
This paper is a continuation of a recent work by the authors on the oscillatory properties of second‐order half‐linear neutral delay differential equations.
M. Bohner, S. Grace, I. Jadlovská
semanticscholar   +1 more source