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of 188
pro vyhledávání: '"Palatella L"'
We study the response to perturbation of non-Poisson dichotomous fluctuations that generate super-diffusion. We adopt the Liouville perspective and with it a quantum-like approach based on splitting the density distribution into a symmetric and an an
Externí odkaz:
http://arxiv.org/abs/cond-mat/0406120
Publikováno v:
PHYSICAL REVIEW E, Volume: 71, Article Number: 066109 JUN 2005
We study a two-state symmetric noise, with a given waiting time distribution $\psi (\tau)$, and focus our attention on the connection between the four-time and the two-time correlation functions. The transition of $\psi (\tau)$ from the exponential t
Externí odkaz:
http://arxiv.org/abs/cond-mat/0402494
Autor:
Palatella, L., Allegrini, P., Grigolini, P., Latora, V., Mega, M. S., Rapisarda, A., Vinciguerra, S.
With the help of the Diffusion Entropy technique we show the non-Poisson statistics of the distances between consecutive Omori's swarms of earthquakes. We give an analytical proof of the numerical results of an earlier paper [cond-mat/0212529, Mega e
Externí odkaz:
http://arxiv.org/abs/cond-mat/0401382
Autor:
Allegrini, P., Balocchi, R., Chillemi, S., Grigolini, P., Hamilton, P., Maestri, R., Palatella, L., Raffaelli, G.
Using a method of entropic analysis of time series we establish the correlation between heartbeat long-range memory and mortality risk in patients with congestive heart failure.
Comment: revtex, two column, 4 pages, 3 figures (1a, 1b, 2)
Comment: revtex, two column, 4 pages, 3 figures (1a, 1b, 2)
Externí odkaz:
http://arxiv.org/abs/cond-mat/0209038
Autor:
Allegrini, P., Benci, V., Grigolini, P., Hamilton, P., Ignaccolo, M., Menconi, G., Palatella, L., Raffaelli, G., Scafetta, N., Virgilio, M., Jang, J.
The adoption of the Kolmogorov-Sinai (KS) entropy is becoming a popular research tool among physicists, especially when applied to a dynamical system fitting the conditions of validity of the Pesin theorem. The study of time series that are a manifes
Externí odkaz:
http://arxiv.org/abs/cond-mat/0202123
We address the problem of detecting non-stationary effects in time series (in particular fractal time series) by means of the Diffusion Entropy Method (DEM). This means that the experimental sequence under study, of size $N$, is explored with a windo
Externí odkaz:
http://arxiv.org/abs/cond-mat/0111246
We study the long-range correlations of heartbeat fluctuations with the method of diffusion entropy. We show that this method of analysis yields a scaling parameter $\delta$ that apparently conflicts with the direct evaluation of the distribution of
Externí odkaz:
http://arxiv.org/abs/cond-mat/0107597
Akademický článek
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Publikováno v:
In Physica A: Statistical Mechanics and its Applications 2007 385(1):170-184
Autor:
Cañibano, H., Boulon, G. *, Palatella, L., Guyot, Y., Brenier, A., Voda, M., Balda, R., Fernandez, J.
Publikováno v:
In Journal of Luminescence May 2003 102-103:318-326