Multifractal analysis of the historic set in non-uniformly hyperbolic systems
Sign Up to like & getrecommendations! Published in 2017 at "Archiv der Mathematik"
DOI: 10.1007/s00013-017-1023-6
Abstract: We get the exact Hausdorff dimension of the historic set for ratios of the Birkhoff average in a class of one dimensional non-uniformly hyperbolic dynamical systems. read more here.
Keywords: multifractal analysis; analysis historic; uniformly hyperbolic; historic set ... See more keywords
Weighted multifractal analysis of financial time series
Sign Up to like & getrecommendations! Published in 2017 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-016-3187-1
Abstract: In this paper, we propose the weighted multifractal analysis based on variance-weighted partition function (WMA), to evaluate the fractals of nonlinear time series containing amplitude information. The reliability of the proposed WMA is supported by… read more here.
Keywords: multifractal analysis; time series; weighted multifractal; analysis ... See more keywords
Multifractal analysis and optical properties of nanostructured silicon layers
Sign Up to like & getrecommendations! Published in 2017 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2016.04.059
Abstract: Abstract For the optimization of the light trapping in semiconductor devices, especially in the solar cells, microtextured structures are commonly used. Structures with ultralow spectral reflectance were formed on flat and pyramidally textured single crystalline… read more here.
Keywords: multifractal analysis; analysis; optical properties; properties nanostructured ... See more keywords
Nuclear magnetic resonance T2 cutoffs of coals: A novel method by multifractal analysis theory
Sign Up to like & getrecommendations! Published in 2019 at "Fuel"
DOI: 10.1016/j.fuel.2018.12.044
Abstract: Abstract Nuclear magnetic resonance (NMR) has been widely used in petrophysical characterization of coals. For NMR experimental data analysis, transverse relaxation time (T2) cutoff value is a key parameter to identify the form of movable… read more here.
Keywords: nuclear magnetic; multifractal analysis; analysis; cutoff ... See more keywords
Multifractal analysis of geomagnetically induced currents using wavelet leaders
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Geophysics"
DOI: 10.1016/j.jappgeo.2019.103920
Abstract: Abstract The sun is constantly emitting electrons and ions as a magnetized plasma, forming the solar wind and carrying with it the sun's rotating magnetic field. The solar wind subsequently interacts with Earth's magnetosphere and… read more here.
Keywords: multifractal analysis; induced currents; geomagnetically induced; wavelet ... See more keywords
Almost additive multifractal analysis for flows * * Partially supported by FCT/Portugal through UID/MAT/04459/2019. CH was supported by FCT/Portugal through the Grant PD/BD/135523/2018.
Sign Up to like & getrecommendations! Published in 2021 at "Nonlinearity"
DOI: 10.1088/1361-6544/abf8f9
Abstract: Building on the construction of equilibrium measures, we establish a conditional variational principle for the multifractal spectra of an almost additive family with respect to a continuous flow Φ such that the entropy map μ… read more here.
Keywords: additive multifractal; multifractal analysis; almost additive; supported fct ... See more keywords
Multifractal analysis of the interstellar medium: first application to Hi-GAL observations
Sign Up to like & getrecommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/sty2170
Abstract: The multifractal geometry remains an under-exploited approach to describe and quantify the large-scale structure of interstellar clouds. In this paper, the typical tools of multifractal analysis are applied to Herschel far-infrared (70-500 $\mu$m) dust continuum… read more here.
Keywords: multifractal analysis; analysis interstellar; interstellar medium; analysis ... See more keywords
A Bayesian Framework for Multivariate Multifractal Analysis
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Signal Processing"
DOI: 10.1109/tsp.2022.3187196
Abstract: Multifractal analysis has become a reference tool for signal and image processing. Grounded in the quantification of local regularity fluctuations, it has proven useful in an increasing range of applications, yet so far involving only… read more here.
Keywords: multifractal analysis; multivariate multifractal; multivariate; bayesian framework ... See more keywords
MULTIFRACTAL ANALYSIS OF BRAZILIAN AGRICULTURAL MARKET
Sign Up to like & getrecommendations! Published in 2020 at "Fractals"
DOI: 10.1142/s0218348x20500760
Abstract: In order to address the overall properties of the Brazilian agricultural commodity market and the intricate effects of political and economic instabilities, in this work, we provide a comprehensive... read more here.
Keywords: multifractal analysis; brazilian agricultural; agricultural market; analysis brazilian ... See more keywords
Effects of COVID-19 on Chinese sectoral indices: a multifractal analysis
Sign Up to like & getrecommendations! Published in 2021 at "Fractals"
DOI: 10.1142/s0218348x2150198x
Abstract: In this paper, we analyze 26 Chinese sectoral indices and evaluate the effects of the crisis caused by COVID-19 on its efficiency. We calculated the degree of multifractality in the pre- and post-COVID-19 period and… read more here.
Keywords: multifractal analysis; effects covid; sectoral indices; chinese sectoral ... See more keywords
Multiscale Experiments and Multifractal Analysis of Bituminous Coals: Dominant Pore Properties for Gas Permeability
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Testing and Evaluation"
DOI: 10.1520/jte20170398
Abstract: The pore characteristics of coal are highly correlated with gas permeability. In this study, multifractal analysis based on mercury intrusion porosimetry (MIP) was used to investigate the pore spatial distributions and heterogeneity of pore size… read more here.
Keywords: permeability; gas permeability; multifractal analysis; pore ... See more keywords