Multifractal spectra of multi-affine functions

Albert László Barabási, Péter Szépfalusy, Tamás Vicsek

Research output: Contribution to journalArticle

94 Citations (Scopus)


Self-affine functions F(x) with multiscaling height correlations cq(x) ∼xqHq are described in terms of the standard multifractal formalism with a modified assumption for the partition. The corresponding quantities and expressions are shown to exhibit some characteristic differences from the standard ones. According to our calculations the f(α) type spectra are not uniquely determined by the Hq spectrum, but depend on the particular choice which is made for the dependence of N on x, where N is the number of points over which the average is taken. Our results are expected to be relevant in the analysis of signal type data obtained in experiments on systems with an underlying multiplicative process.

Original languageEnglish
Pages (from-to)17-28
Number of pages12
JournalPhysica A: Statistical Mechanics and its Applications
Issue number1
Publication statusPublished - Oct 1 1991

ASJC Scopus subject areas

  • Statistics and Probability
  • Condensed Matter Physics

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