Zobrazeno 1 - 10
of 441
pro vyhledávání: '"Lazaridou, M."'
The behavior of seismicity in the area candidate to suffer a main shock is investigated after the observation of the Seismic Electric Signal activity until the impending mainshock. This makes use of the concept of natural time $\chi$ and reveals that
Externí odkaz:
http://arxiv.org/abs/0802.3329
We show that the scale dependence of the fluctuations of the natural time itself under time reversal provides a useful tool for the discrimination of seismic electric signals (critical dynamics) from noises emitted from man made sources as well as fo
Externí odkaz:
http://arxiv.org/abs/0707.3074
We present recent data of electric signals detected at the Earth's surface, which confirm the earlier finding [Phys. Rev. E 73, 031114 (2006)] that the value of the entropy in natural time as well as its value under time reversal are smaller than tha
Externí odkaz:
http://arxiv.org/abs/cond-mat/0611437
As mentioned in the preceding additional information (hereafter called Part I), a series of strong earthquakes with magnitudes between 5.2 and 5.9-units occurred during the two weeks period: 3 to 19 April, 2006 with epicenters lying at distances 80 t
Externí odkaz:
http://arxiv.org/abs/cond-mat/0604575
Self-similarity may originate from two origins, i.e., the process memory and the process' increments ``infinite'' variance. A distinction is attempted by employing the natural time \chi. Concerning the first origin, we analyze recent data on Seismic
Externí odkaz:
http://arxiv.org/abs/cond-mat/0602603
After the submission of the paper, three strong earthquakes with magnitude around 6.0-units occurred on October 17 and October 20, 2005, with epicenters in the Aegean Sea, at a distance {\em only} 100km from MYT station at which the intense signals $
Externí odkaz:
http://arxiv.org/abs/physics/0601178
Publikováno v:
Phys. Rev. E. 71, 011110 (2005)
Complexity measures are introduced, that quantify the change of the natural entropy fluctuations at different length scales in time-series emitted from systems operating far from equilibrium. They identify impending sudden cardiac death (SD) by analy
Externí odkaz:
http://arxiv.org/abs/physics/0501118
Publikováno v:
Phys. Rev. E 70, 011106 (2004)
A surrogate data analysis is presented, which is based on the fluctuations of the ``entropy'' $S$ defined in the natural time-domain [Phys. Rev. E {\bf 68}, 031106, 2003]. This entropy is not a static one as, for example, the Shannon entropy. The ana
Externí odkaz:
http://arxiv.org/abs/physics/0501117
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