Zobrazeno 1 - 10
of 134
pro vyhledávání: '"Kalda, J."'
A short review of the econophysics research done in Estonia, devoted to the 15th anniversary of the term "econophysics".
Comment: Submitted to the special issue on "Econophysics" of the journal Science & Culture (http://www.scienceandculture-isn
Comment: Submitted to the special issue on "Econophysics" of the journal Science & Culture (http://www.scienceandculture-isn
Externí odkaz:
http://arxiv.org/abs/1006.3708
Publikováno v:
Physica A, 345, 2005, 622
Properties of low-variability periods in the time series are analysed. The theoretical approach is used to show the relationship between the multi-scaling of low-variability periods and multi-affinity of the time series. It is shown that this technic
Externí odkaz:
http://arxiv.org/abs/cond-mat/0406225
Human heart rate fluctuates in a complex and non-stationary manner. Elaborating efficient and adequate tools for the analysis of such signals has been a great challenge for the researchers during last decades. Here, an overview of the main research r
Externí odkaz:
http://arxiv.org/abs/physics/0303041
It is shown that in the case of human heart rate, the scaling behaviour of the correlation sum (calculated by the Grassberger-Procaccia algorithm) is a result of the interplay of various factors: finite resolution of the apparatus (finite-size effect
Externí odkaz:
http://arxiv.org/abs/physics/0112031
It is shown that the distribution of low variability periods in the activity of human heart rate typically follows a multi-scaling Zipf's law. The presence or failure of a power law, as well as the values of the scaling exponents, are personal charac
Externí odkaz:
http://arxiv.org/abs/physics/0110075
Publikováno v:
In Physica A: Statistical Mechanics and its Applications 2004 338(1):255-260
Autor:
Mandre, I.1 indrek@mare.ee, Kalda, J.1
Publikováno v:
European Physical Journal B: Condensed Matter. Sep2011, Vol. 83 Issue 1, p107-113. 7p.
Publikováno v:
European Physical Journal B: Condensed Matter. Mar2006, Vol. 50 Issue 1/2, p141-145. 5p. 2 Charts, 2 Graphs.
Autor:
Bachmann, M.1 maie@cb.ttu.ee, Kalda, J.2, Lass, J.1, Tuulik, V.1, Säkki, M.2, Hinrikus, H.1, Säkki, M (AUTHOR)
Publikováno v:
Medical & Biological Engineering & Computing. Jan2005, Vol. 43 Issue 1, p142-149. 8p. 1 Chart, 4 Graphs.
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