Results 31 to 40 of about 2,690,490 (287)

Frequency criteria for exponential stability

open access: yesIMA Journal of Mathematical Control and Information, 2022
Abstract We discuss some frequency-domain criteria for the exponential stability of nonlinear feedback systems based on Popov’s hyperstability theorem. The main results are new bounds on convergence rates for perturbations of the damped harmonic oscillator, including the Hessian-damped case, when the perturbations satisfy certain ...
openaire   +3 more sources

Fractional Stability of Trunk Acceleration Dynamics of Daily-Life Walking: Toward a Unified Concept of Gait Stability

open access: yesFrontiers in Physiology, 2017
Over the last decades, various measures have been introduced to assess stability during walking. All of these measures assume that gait stability may be equated with exponential stability, where dynamic stability is quantified by a Floquet multiplier or ...
Espen A. F. Ihlen   +5 more
doaj   +1 more source

Polynomial stability of evolution operators in Banach spaces [PDF]

open access: yesOpuscula Mathematica, 2011
The paper considers three concepts of polynomial stability for linear evolution operators which are defined in a general Banach space and whose norms can increase not faster than exponentially.
Megan Mihail   +2 more
doaj   +1 more source

Linear stability of exponential density profiles [PDF]

open access: yesJournal of Plasma Physics, 1971
The problem of the linear stability of a plasma with density profilesin a homogeneous magnetic field B = îzB0 has been solved exactly. The dispersion relation leads to stability criteria less severe than those obtained in the local approximation. As examples, we consider Bernstein waves and the low-frequency drift instability. In the second example the
Croci, R., Saison, R.
openaire   +3 more sources

Investor demand in syndicated EFSF/ESM bond issuances [version 2; peer review: 1 approved, 2 approved with reservations]

open access: yesOpen Research Europe
The European Financial Stability Facility (EFSF) and the European Stability Mechanism (ESM) were set up at the peak of the European sovereign debt crisis to issue bonds and lend to countries under current funding stress.
Marko Mravlak   +2 more
doaj   +1 more source

A unified framework of rapid exponential stability and optimal feedback control for nonlinear systems

open access: yesAdvances in Mechanical Engineering, 2019
A novel framework of rapid exponential stability and optimal feedback control is investigated and analyzed for a class of nonlinear systems through a variant of continuous Lyapunov functions and Hamilton–Jacobi–Bellman equation.
Yan Li, Yuanchun Li
doaj   +1 more source

Almost Sure Exponential Stability of Numerical Solutions for Stochastic Pantograph Differential Equations with Poisson Jumps

open access: yesMathematics, 2022
The stability analysis of the numerical solutions of stochastic models has gained great interest, but there is not much research about the stability of stochastic pantograph differential equations.
Amr Abou-Senna, Boping Tian
doaj   +1 more source

The split step theta balanced numerical approximations of stochastic time varying Hopfield neural networks with distributed delays

open access: yesResults in Control and Optimization, 2023
In this paper, split step theta balanced Euler approximations for stochastic time-varying delay Hopfield neural networks (HNN) with distributed delays are examined for their exponential stability and strong convergence.
Pichamuthu Mayavel   +1 more
doaj   +1 more source

Exponential Stability Results on Random and Fixed Time Impulsive Differential Systems with Infinite Delay

open access: yesMathematics, 2019
In this paper, we investigated the stability criteria like an exponential and weakly exponential stable for random impulsive infinite delay differential systems (RIIDDS).
Xiaodi Li   +2 more
doaj   +1 more source

The stability of the exponential equation [PDF]

open access: yesProceedings of the American Mathematical Society, 1996
We generalize the well-known Baker’s superstability result for exponential mappings with values in the field of complex numbers to the case of an arbitrary commutative complex semisimple Banach algebra. It was shown by Ger that the superstability phenomenon disappears if we formulate the stability question for exponential complex ...
Ger, Roman, Semrl, Peter
openaire   +2 more sources

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