Results 41 to 50 of about 70,235 (224)

Design of time delayed chaotic circuit with threshold controller

open access: yes, 2010
A novel time delayed chaotic oscillator exhibiting mono- and double scroll complex chaotic attractors is designed. This circuit consists of only a few operational amplifiers and diodes and employs a threshold controller for flexibility.
Lakshmanan, M.   +4 more
core   +1 more source

Microflow Switching using Artificial Cilia for On‐Demand Particle Manipulation

open access: yesAdvanced Intelligent Systems, EarlyView.
A magnetically actuated artificial cilia platform is developed for reversible microflow switching and particle manipulation. By modulating the beating frequencies via external magnetic fields, the system enables shear‐driven particle trapping, directional release, and in situ microfluidic mixing.
Prashant Kishor Sharma   +4 more
wiley   +1 more source

Memristive Chaotic Circuit for Information Processing Through Time

open access: yesAdvanced Intelligent Systems, EarlyView.
A chaotic circuit that exploits the nonlinear characteristics of a memristive device is realized in hardware. The circuit response evolves through simple periodic, multiperiod, and chaotic regimes. The circuit also displays fading memory property. Finally, the circuit is used in a reservoir computing architecture to demonstrate nonlinear classification
Manuel Escudero   +2 more
wiley   +1 more source

Leading Regenerative Transformation: Cognitive Frame Characteristics Shaping Leaders' Approaches to Organizational Development

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT As the urgency to address global crises such as climate change and inequality intensifies, the concept of regenerative development has emerged as a transformative approach going beyond sustainability to actively restore and enhance both ecological and social systems.
Leonie Paul   +3 more
wiley   +1 more source

Tsallis non-extensive statistics, intermittent turbulence, SOC and chaos in the solar plasma. Part one: Sunspot dynamics

open access: yes, 2012
In this study, the nonlinear analysis of the sunspot index is embedded in the non-extensive statistical theory of Tsallis. The triplet of Tsallis, as well as the correlation dimension and the Lyapunov exponent spectrum were estimated for the SVD ...
Abramenko   +115 more
core   +1 more source

A priori estimates and large population limits for some nonsymmetric Nash systems with semimonotonicity

open access: yesCommunications on Pure and Applied Mathematics, EarlyView.
Abstract We address the problem of regularity of solutions ui(t,x1,…,xN)$u^i(t, x^1, \ldots, x^N)$ to a family of semilinear parabolic systems of N$N$ equations, which describe closed‐loop equilibria of some N$N$‐player differential games with Lagrangian having quadratic behaviour in the velocity variable, running costs fi(x)$f^i(x)$ and final costs gi(
Marco Cirant, Davide Francesco Redaelli
wiley   +1 more source

Chaos-based communication scheme using proportional and proportional-integral observers [PDF]

open access: yes, 2008
In this paper, we propose a new chaos-based communication scheme using the observers. The novelty lies in the masking procedure that is employed to hide the confidential information using the chaotic oscillator.
Busawon, Krishna   +2 more
core   +1 more source

Phase-locking at low-level of quanta

open access: yes, 2015
We discuss phase-locking phenomena at low-level of quanta for parametrically driven nonlinear Kerr resonator (PDNR) in strong quantum regime. Oscillatory mode of PDNR is created in the process of a degenerate down-conversion of photons under interaction ...
Chew, Lock Yue   +3 more
core   +1 more source

Convergence properties of dynamic mode decomposition for analytic interval maps

open access: yesCommunications on Pure and Applied Mathematics, EarlyView.
Abstract Extended dynamic mode decomposition (EDMD) is a data‐driven algorithm for approximating spectral data of the Koopman operator associated to a dynamical system, combining a Galerkin method with N$N$ functions and a quadrature method with M$M$ quadrature nodes.
Elliz Akindji   +3 more
wiley   +1 more source

Data-driven discovery of coordinates and governing equations

open access: yes, 2019
The discovery of governing equations from scientific data has the potential to transform data-rich fields that lack well-characterized quantitative descriptions.
Brunton, Steven L.   +3 more
core  

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