Results 111 to 120 of about 15,101 (215)

Numerical investigations of discrete scale invariance in fractals and multifractal measures

open access: yes, 2007
Fractals and multifractals and their associated scaling laws provide a quantification of the complexity of a variety of scale invariant complex systems.
Arnéodo   +64 more
core   +1 more source

The randomly driven Ising ferromagnet, Part I: General formalism and mean field theory

open access: yes, 1998
We consider the behavior of an Ising ferromagnet obeying the Glauber dynamics under the influence of a fast switching, random external field. After introducing a general formalism for describing such systems, we consider here the mean-field theory.
Barnsley M F   +15 more
core   +1 more source

Modeling Time-Varying Volatility via Multi-Scale Structures and Dynamic Attention Networks: Evidence from High-Frequency Data

open access: yesMathematics
Accurate tail risk forecasting in emerging markets is frequently compromised by the nonlinear dynamics and time-varying long memory of high-frequency volatility.
Kaidi Zhang, Shaobing Wu, Dong Zhu
doaj   +1 more source

Multifractal Nature of Diesel Engine Rattle Noise in Vehicle

open access: yesArchives of Acoustics, 2017
The investigation results of the emission of noises accompanying the diesel engine powertrain running in unloaded condition at low or idle speed, are presented in the hereby paper.
Andrzej PUCHALSKI, Iwona KOMORSKA
doaj   +1 more source

The multifractal fly: a dynamically multilayered visual system

open access: yes, 2007
4 pages, 5 ...
Baptista, M. S.   +2 more
openaire   +2 more sources

A multifractal method based on Spacematrix type units for analysing cross-scale characteristics of urban morphology

open access: yesFrontiers of Architectural Research
The urban morphological system, developed over multiple phases, exhibits complex cross-scale characteristics, with significant scale discrepancies among morphological elements at the same hierarchical level, which suggests that the cross-scale sliding ...
Chenyang Zhang   +3 more
doaj   +1 more source

Exploring multifractal critical phases in two-dimensional quasiperiodic systems

open access: yesPhysical Review A
The multifractal critical phase (MCP) fundamentally differs from extended and localized phases, exhibiting delocalized distributions in both position and momentum spaces. The investigation on the MCP has largely focused on one-dimensional quasiperiodic systems. Here, we introduce a two-dimensional (2D) quasiperiodic model with a MCP.
Chao Yang   +3 more
openaire   +2 more sources

Experimental study on the effects of rock mineral composition and loading rates on the acoustic emission and fracture characteristics in roof strata tensile fracture

open access: yesFrontiers in Earth Science
The tensile fracture of the overlying strata in coal mines significantly affects the stability of the surrounding rock and the working face. This study investigates the effects of rock mineral composition and mining speed on roof strata fracture behavior
Xiufeng Zhang   +8 more
doaj   +1 more source

La naturaleza no lineal de los funcionamientos inferenciales: Un estudio empírico con base en el humor gráfico

open access: yesAvances en Psicología Latinoamericana, 2012
This paper is meant to open the question of whether inferential functioning has a dynamic non lineal system structure. Inferential functioning has been studied from four graphic jokes.
Rebeca Puche Navarro   +2 more
doaj  

Multifractal Multiscale Analysis of Human Movements during Cognitive Tasks

open access: yesEntropy
Continuous adaptations of the movement system to changing environments or task demands rely on superposed fractal processes exhibiting power laws, that is, multifractality.
Andrea Faini   +3 more
doaj   +1 more source

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