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Akademický článek
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Autor:
Makotyn, Philip, Klauss, Catherine E., Goldberger, David L., Cornell, Eric. A., Jin, Deborah S.
Publikováno v:
Nature Physics 10, 116-119 (2014)
Understanding the rich behavior that emerges from systems of interacting quantum particles, such as electrons in materials, nucleons in nuclei or neutron stars, the quark-gluon plasma, and superfluid liquid helium, requires investigation of systems t
Externí odkaz:
http://arxiv.org/abs/1308.3696
Autor:
Geovanini, Glaucylara Reis, Wang, Rui, Weng, Jia, Tracy, Russell, Jenny, Nancy S., Goldberger, Ary L., Costa, Madalena D., Liu, Yongmei, Libby, Peter, Redline, Susan
Publikováno v:
In International Journal of Cardiology 15 April 2018 257:318-323
Autor:
Amaral, Luis A. N., Diaz-Guilera, Albert, Moreira, Andre A., Goldberger, Ary L., Lipsitz, Lewis A.
Publikováno v:
Proc. Nat. Acad. Sci. USA 101 (2004) 15551-15555
A variety of physical, social and biological systems generate complex fluctuations with correlations across multiple time scales. In physiologic systems, these long-range correlations are altered with disease and aging. Such correlated fluctuations i
Externí odkaz:
http://arxiv.org/abs/q-bio/0411039
Autor:
Amaral, Luis A. Nunes, Ivanov, Plamen Ch., Aoyagi, Naoko, Hidaka, Ichiro, Tomono, Shinji, Goldberger, Ary L., Stanley, H. Eugene, Yamamoto, Yoshiharu
Publikováno v:
Phys Rev Lett 86, 6026-6029 (2001)
We test whether the complexity of cardiac interbeat interval time series is simply a consequence of the wide range of scales characterizing human behavior, especially physical activity, by analyzing data taken from healthy adult subjects under three
Externí odkaz:
http://arxiv.org/abs/cond-mat/0106508
Autor:
Ashkenazy, Yosef, Hausdorff, Jeffrey M., Ivanov, Plamen Ch., Goldberger, Ary L., Stanley, H. Eugene
We present a stochastic model of gait rhythm dynamics, based on transitions between different ``neural centers'', that reproduces distinctive statistical properties of normal human walking. By tuning one model parameter, the hopping range, the model
Externí odkaz:
http://arxiv.org/abs/cond-mat/0103119
Autor:
Ashkenazy, Y., Ivanov, P. Ch., Havlin, S., Peng, C. -K., Yamamoto, Y., Goldberger, A. L., Stanley, H. E.
Publikováno v:
Computers in Cardiology 2000; 27:139-143 (conference proceedings)
The cardiac interbeat (RR) increment time series can be decomposed into two sub-sequences: a magnitude series and a sign series. We show that the sign sequence, a simple binary representation of the original RR series, retains fundamental scaling pro
Externí odkaz:
http://arxiv.org/abs/cond-mat/0102481
Autor:
Schulte-Frohlinde, Verena, Ashkenazy, Yosef, Ivanov, Plamen Ch., Glass, Leon, Goldberger, Ary L., Stanley, H. Eugene
Publikováno v:
Phys. Rev. Lett. 87, 068104 (2001)
Patients at high risk for sudden death often exhibit complex heart rhythms in which abnormal heartbeats are interspersed with normal heartbeats. We analyze such a complex rhythm in a single patient over a 12-hour period and show that the rhythm can b
Externí odkaz:
http://arxiv.org/abs/cond-mat/0011367
Autor:
Ashkenazy, Yosef, Ivanov, Plamen Ch., Havlin, Shlomo, Peng, Chung-K., Goldberger, Ary L., Stanley, H. Eugene
Publikováno v:
Physical Review Letters 86, 1900 (2001)
We propose an approach for analyzing signals with long-range correlations by decomposing the signal increment series into magnitude and sign series and analyzing their scaling properties. We show that signals with identical long-range correlations ca
Externí odkaz:
http://arxiv.org/abs/cond-mat/0005365
Autor:
Bernaola-Galvan, Pedro, Ivanov, Plamen Ch., Amaral, Luis A. Nunes, Goldberger, Ary L., Stanley, H. Eugene
We introduce a segmentation algorithm to probe temporal organization of heterogeneities in human heartbeat interval time series. We find that the lengths of segments with different local values of heart rates follow a power-law distribution. This sca
Externí odkaz:
http://arxiv.org/abs/cond-mat/0005284