Showing 1 - 10 of 309
There are many biological mechanisms which introduce long-range correlations into the DNA molecule. One of the most important is replication of chromosomes, its mechanisms and topology. Replication associated mutational pressure, defined as specific preferences in nucleotide substitutions during...
Persistent link: https://www.econbiz.de/10011063164
Persistent link: https://www.econbiz.de/10011548766
Linear measures such as cross-correlation have been used successfully to determine time delays from the given processes. Such an analysis often precedes identifying possible causal relationships between the observed processes. The present study investigates the impact of a positively correlated...
Persistent link: https://www.econbiz.de/10010873338
We have analysed protein coding and intergenic sequences in the Borrelia burgdorferi (the Lyme disease bacterium) genome using different kinds of DNA walks. Genes occupying the leading strand of DNA have significantly different nucleotide composition from genes occupying the lagging strand....
Persistent link: https://www.econbiz.de/10010874179
An empirical study of stable distribution and long-range correlation in Brent crude oil market was presented. First, it is found that the empirical distribution of Brent crude oil returns can be fitted well by a stable distribution, which is significantly different from a normal distribution....
Persistent link: https://www.econbiz.de/10010906987
An improved multifractal detrended fluctuation analysis(MF-DFA) method is applied to analyze the long-term monthly runoff records of a hydrological station in the Yangtze River with seasonal trend eliminated, through which the long-range correlation and the multifractal characteristics have been...
Persistent link: https://www.econbiz.de/10010949771
The first evidence of asymmetric upward and downward persistence in the global sea surface temperature anomaly (SSTA) is revealed from the observations with the asymmetric detrended fluctuation analysis (A-DFA) method. Global distributions of the scaling exponents which quantify the degree of...
Persistent link: https://www.econbiz.de/10011209652
As an emerging financial market, the trading value of carbon emission trading market has definitely increased. In recent years, the carbon emission allowances have already become a way of investment. They are bought and sold not only by carbon emitters but also by investors. In this paper, we...
Persistent link: https://www.econbiz.de/10011209658
Based on Partition Function and Multifractal Spectrum Analysis, we investigated the nonlinear dynamical mechanisms in China’s agricultural futures markets, namely, Dalian Commodity Exchange (DCE for short) and Zhengzhou Commodity Exchange (ZCE for short), where nearly all agricultural futures...
Persistent link: https://www.econbiz.de/10010590209
This paper introduces a generalized diffusion entropy analysis method to analyze long-range correlation then applies this method to stock volatility series. The method uses the techniques of the diffusion process and Rényi entropy to focus on the scaling behaviors of regular volatility and...
Persistent link: https://www.econbiz.de/10010591035