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pro vyhledávání: '"Ivanov, P. Ch."'
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Akademický článek
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Autor:
Lima, Gustavo Zampier dos Santos, Corso, Gilberto, Corrêa, Marcio Assolin, Sommer, Rubem Luis, Ivanov, Plamen Ch., Bohn, Felipe
Publikováno v:
Phys. Rev. E 96, 022159 (2017)
Barkhausen effect in ferromagnetic materials provides an excellent area for investigating scaling phenomena found in disordered systems exhibiting crackling noise. The critical dynamics is characterized by random pulses or avalanches with scale-invar
Externí odkaz:
http://arxiv.org/abs/1611.01568
Publikováno v:
Bashan, A. et al. Network Physiology reveals relations between network topology and physiological function. Nature Communications 3:702 doi: 10.1038/ncomms1705 (2012)
The human organism is an integrated network where complex physiologic systems, each with its own regulatory mechanisms, continuously interact, and where failure of one system can trigger a breakdown of the entire network. Identifying and quantifying
Externí odkaz:
http://arxiv.org/abs/1203.0242
We investigate how various coarse-graining methods affect the scaling properties of long-range power-law correlated and anti-correlated signals, quantified by the detrended fluctuation analysis. Specifically, for coarse-graining in the magnitude of a
Externí odkaz:
http://arxiv.org/abs/1002.3834
Autor:
Ma, Qianli D. Y., Bartsch, Ronny P., Bernaola-Galván, Pedro, Yoneyama, Mitsuru, Ivanov, Plamen Ch.
Publikováno v:
Phys. Rev. E 81, 031101 (2010)
We investigate how extreme loss of data affects the scaling behavior of long-range power-law correlated and anti-correlated signals applying the DFA method. We introduce a segmentation approach to generate surrogate signals by randomly removing data
Externí odkaz:
http://arxiv.org/abs/1001.3641
Autor:
Schmitt, Daniel T., Ivanov, Plamen Ch.
Publikováno v:
The American Journal of Physiology - Regulatory, Integrative and Comparative Physiology, vol 293, R1923-R1937, 2007
We analyze heartbeat interval recordings from two independent databases: (a) 19 healthy young (avg. age 25.7 years) and 16 healthy elderly subjects (avg. age 73.8 years) during 2h under resting conditions from the Fantasia database; and (b) 29 health
Externí odkaz:
http://arxiv.org/abs/0712.1380
In order to investigate whether government regulations against corruption can affect the economic growth of a country, we analyze the dependence between Gross Domestic Product (GDP) per capita growth rates and changes in the Corruption Perceptions In
Externí odkaz:
http://arxiv.org/abs/0710.1995
We investigate how simultaneously recorded long-range power-law correlated multi-variate signals cross-correlate. To this end we introduce a two-component ARFIMA stochastic process and a two-component FIARCH process to generate coupled fractal signal
Externí odkaz:
http://arxiv.org/abs/0709.0838
Publikováno v:
Eur. Phys. J. B. 56 157-166(2007)
We report quantitative relations between corruption level and economic factors, such as country wealth and foreign investment per capita, which are characterized by a power law spanning multiple scales of wealth and investments per capita. These rela
Externí odkaz:
http://arxiv.org/abs/0705.0161