Results 31 to 40 of about 2,128,044 (322)

Ancient and Current Chaos Theories [PDF]

open access: yesInterdisciplinary Description of Complex Systems, 2006
Chaos theories developed in the last three decades have made very important contributions to our understanding of dynamical systems and natural phenomena. The meaning of chaos in the current theories and in the past is somewhat different from each other.
Güngör Gündüz
doaj  

Quantum Half and Full Spinning Operator-Based Nonlinear Confusion Component

open access: yesIEEE Access, 2021
The structure of a substitution box (S-box) is one of the principal ideas of the modern encryption techniques. The security of a modern encryption algorithm highly depends on its nonlinear confusion component.
Abdullah Alghafis
doaj   +1 more source

A New S-Box Design by Applying Bat Algorithm Based Technique [PDF]

open access: yesJournal of Information Technology Management, 2023
Substitution-boxes (S-boxes) are very important nonlinear components used for achieving strong confusion for enhancing cryptographic security in most of the block ciphers.
Maiya Din   +3 more
doaj   +1 more source

Direct measurement of superdiffusive and subdiffusive energy transport in disordered granular chains [PDF]

open access: yes, 2017
The study of energy transport properties in heterogeneous materials has attracted scientific interest for more than a century, and it continues to offer fundamental and rich questions.
Kevrekidis, P. G.   +5 more
core   +3 more sources

Nonlocal problems with critical Hardy nonlinearity [PDF]

open access: yesJournal of Functional Analysis, 2017
By means of variational methods we establish existence and multiplicity of solutions for a class of nonlinear nonlocal problems involving the fractional p-Laplacian and a combined Sobolev and Hardy nonlinearity at subcritical and critical growth.
Wenjing Chen, S. Mosconi, M. Squassina
semanticscholar   +1 more source

Waveguides with Absorbing Boundaries: Nonlinearity Controlled by an Exceptional Point and Solitons

open access: yes, 2017
We reveal the existence of continuous families of guided single-mode solitons in planar waveguides with weakly nonlinear active core and absorbing boundaries.
Konotop, Vladimir V., Midya, Bikashkali
core   +1 more source

Effect of nonlinearity on the dynamics of a particle in dc field-induced systems [PDF]

open access: yes, 1998
Dynamics of a particle in a perfect chain with one nonlinear impurity and in a perfect nonlinear chain under the action of dc field is studied numerically. The nonlinearity appears due to the coupling of the electronic motion to optical oscillators which
A. M. Jayannavar   +13 more
core   +2 more sources

An Indoor Low-Cost and High-Accuracy Localization Approach for AGVs

open access: yesIEEE Access, 2020
Demanding for warehousing automation and intelligence is critical with the rapid development of information and big data teleology. In most storehouses, cargos are mainly carried by Automatic Guided Vehicles (AGVs) or even manpower.
Dongqing Shi   +3 more
doaj   +1 more source

Nonlinear Adaptive Robust Precision Pointing Control of Tank Servo Systems

open access: yesIEEE Access, 2021
This paper focuses on the high performance pointing control of tank servo systems with parametric uncertainties and uncertain nonlinearities including nonlinear friction, backlash and structural flexibility. A comprehensive dynamic nonlinear mathematical
Shusen Yuan   +4 more
doaj   +1 more source

Nonlocal stabilization of nonlinear beams in a self-focusing atomic vapor [PDF]

open access: yes, 2006
We show that ballistic transport of optically excited atoms in an atomic vapor provides a nonlocal nonlinearity which stabilizes the propagation of vortex beams and higher order modes in the presence of a self-focusing nonlinearity. Numerical experiments
A. G. Litvak   +7 more
core   +2 more sources

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