Results 51 to 60 of about 10,422 (231)

Different Multifractal Scaling of the 0 cm Average Ground Surface Temperature of Four Representative Weather Stations over China

Advances in Meteorology, 2013
The temporal scaling properties of the daily 0 cm average ground surface temperature (AGST) records obtained from four selected sites over China are investigated using multifractal detrended fluctuation analysis (MF-DFA) method.
Lei Jiang, Xia Zhao, Nana Li, Fei Li, Ziqi Guo   +4 more
doaj   +1 more source

Asymmetric Fractal Characteristics and Market Efficiency Analysis of Style Stock Indices

Entropy, 2022
As a typical complex system, the stock market has attracted the attention of scholars and investors to comprehensively understand its fractal characteristics and analyze its market efficiency.
Chao Xu, Jinchuan Ke, Zhikai Peng, Wen Fang, Yu Duan   +4 more
doaj   +1 more source

Long range correlation in cosmic microwave background radiation

, 2011
We investigate the statistical anisotropy and Gaussianity of temperature fluctuations of Cosmic Microwave Background radiation (CMB) data from {\it Wilkinson Microwave Anisotropy Probe} survey, using the multifractal detrended fluctuation analysis ...
C. L. Alados, D. Novikov, F. Bernardeau, F. Ghasemi, H. E. Hurst, H. O. Peitgen, J. A. Peacock, J. Feder, J. M. Hausdorff, J. R. Bond, K. Schwarzschild, M. Reza Rahimi Tabar, M. Sadegh Movahed, P. Coles, R. N. Mantegna, Sohrab Rahvar, T. Fukushige, V. F. Mukhanov   +17 more
core   +1 more source

Dynamics of Bid-ask Spread Return and Volatility of the Chinese Stock Market

, 2011
Bid-ask spread is taken as an important measure of the financial market liquidity. In this article, we study the dynamics of the spread return and the spread volatility of four liquid stocks in the Chinese stock market, including the memory effect and ...
Admati, Bouchaud, Bouchaud, Cajueiro, Challet, Chan, Cont, Dacorogna, Daniels, Eguiluz, Farmer, Farmer, Giardina, Gopikrishnan, Gu, Gu, Guang Chen, Halsey, Harris, Horvatic, Huang, Jiang, Laloux, Li-Xin Zhong, Lillo, Lillo, Liu, Lux, Mantegna, Mcinish, Mike, Miskiewicz, Moyano, Ni, Peng, Peng, Plerou, Podobnik, Podobnik, Podobnik, Potters, Qiu, Qiu, Qiu, Ren, Roll, Stauffer, Stoll, Tenenbaum, Tian Qiu, Tóth, Tóth, Wang, Wei, Wood, Xiao-Run Wu, Zhao, Zhou, Zhou, Zhou, Zunino   +60 more
core   +1 more source

Detection of Pipeline Leaks Using Fractal Analysis of Acoustic Signals

Fractal and Fractional
In this paper, the possibility of using monofractal and multifractal analysis of acoustic signals of pipelines to detect leaks is considered. An experimental stand has been created to study the fractal characteristics of acoustic signals of pipelines ...
Ayrat Zagretdinov, Shamil Ziganshin, Eugenia Izmailova, Yuri Vankov, Ilya Klyukin, Roman Alexandrov   +5 more
doaj   +1 more source

Evidence of Intraday Multifractality in European Stock Markets during the Recent Coronavirus (COVID-19) Outbreak

International Journal of Financial Studies, 2020
This study assesses how the coronavirus pandemic (COVID-19) affects the intraday multifractal properties of eight European stock markets by using five-minute index data ranging from 1 January 2020 to 23 March 2020.
Faheem Aslam, Wahbeeah Mohti, Paulo Ferreira   +2 more
doaj   +1 more source

Detrended fluctuation analysis of intertrade durations

, 2008
The intraday pattern, long memory, and multifractal nature of the intertrade durations, which are defined as the waiting times between two consecutive transactions, are investigated based upon the limit order book data and order flows of 23 liquid ...
Admati, Anatolyev, Andersen, Barabási, Bartiromo, Bauwens, Bauwens, Brokmann, Chan, Cornett, Corral, Cox, Edwards, Eisler, Engle, Engle, Engle, Gu, Hafner, Halsey, Ivanov, Jain, Jasiak, Jiang, Jiang, Jiang, Jiang, Jiang, Kantelhardt, Kim, Kim, Mainardi, Masoliver, Masoliver, Mcinish, Molchan, Molchan, Oliveira, Oświȩcimka, Peng, Politi, Politi, Raberto, Sabatelli, Saichev, Sazuka, Scalas, Scalas, Scalas, Scalas, Scalas, Shcherbakov, Telesca, Viswanathan, Vázquez, Vázquez, Wei Chen, Wei-Xing Zhou, Yoon, Yuen, Zhang, Zhi-Qiang Jiang   +61 more
core   +2 more sources

Two-dimensional matrix algorithm using detrended fluctuation analysis to distinguish Burkitt and diffuse large B-cell lymphoma [PDF]

, 2012
Copyright © 2012 Rong-Guan Yeh et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.A ...
Abbod, MF, Lin, C-W, Shieh, J-S, Yeh, R-G   +3 more
core   +3 more sources

The role of cardiac acoustic biomarkers in monitoring patients with heart failure: A systematic literature review

ESC Heart Failure, Volume 12, Issue 2, Page 980-997, April 2025.
Abstract Heart failure (HF) creates a considerable clinical, humanistic and economic burden on patients and caregivers as well as on healthcare systems. To attenuate the significant burden of HF, there is a need for enhanced management of patients with HF.
Javed Butler, Malcolm Brown, Philippe Prokocimer, Ashley C. Humphries, Sophie Pope, Olivia Wright, Jun Su, Osama Elnawasany, Bogdan Muresan   +8 more
wiley   +1 more source

Evidence of multifractality from emerging European stock markets.

PLoS ONE, 2012
We test for the presence of multifractality in the daily returns of the three most important stock market indices from Central and Eastern Europe, Czech PX, Hungarian BUX and Polish WIG using the Empirical Mode Decomposition based Multifractal Detrended ...
Petre Caraiani
doaj   +1 more source