231 citations · 790 across the 19 of their papers we have counts for
5 papers · 1 filter
Fractional Gaussian noise criterion for correlations characterization: a random-matrix-theory inspired perspective
Tayeb Jamali, Hamed Saberi, G. R. Jafari
We introduce a particular construction of an autocorrelation matrix of a time series and its analysis based on the random-matrix theory ideas that is capable of unveiling the type…
Non-Gaussianity effect of petrophysical quantities by using q-entropy and multi fractal random walk
Z. Koohi lai, S. Vasheghani Farahani, G. R. Jafari
The geological systems such as petroleum reservoirs is investigated by the entropy introduced by Tsallis and multiplicative hierarchical cascade model. When non-Gaussianity appears…
Coupling between time series: a network view
Saeed Mehraban, Amirhossein Shirazi, Maryam Zamani +1
Recently, the visibility graph has been introduced as a novel view for analyzing time series, which maps it to a complex network. In this paper, we introduce new algorithm of visib…
Mona Lisa, the stochastic view and fractality in color space
P. Pedram, G. R. Jafari
A painting consists of objects which are arranged in specific ways. The art of painting is drawing the objects, which can be considered as known trends, in an expressive manner. De…
Long-range correlation and multifractality in Bach's Inventions pitches
G. R. Jafari, P. Pedram, L. Hedayatifar
We show that it can be considered some of Bach pitches series as a stochastic process with scaling behavior. Using multifractal deterend fluctuation analysis (MF-DFA) method, frequ…