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This category marks all the ICTP posts containing the pdf file of the paper/book.

Detrended fluctuation analysis of autoregressive processes

8 years ago

AbstractAutoregressive processes (AR) have typical short-range memory. Detrended Fluctuation Analysis (DFA) was basically designed to reveal long-range correlations in non…

Automatic algorithm for monotone trend removal

8 years ago

AbstractThe available numerical algorithms for trend removal require a direct subjective intervention in choosing critical parameters. In this paper an…

Is Bucharest Stock Exchange Influenced by the Five Traded Financial Investment Companies?

8 years ago

AbstractThe present paper will try to determine if Bucharest Stock Exchange activity is under the influence of the five traded…

Autoregressive modeling of the variability of an active galaxy

8 years ago

AbstractMany natural phenomena can be described by power-laws of the temporal or spatial correlations. The equivalent in frequency domain is…

Autoregressive modeling of biological phenomena

8 years ago

AbstractMany natural phenomena can be described by power-laws of temporal or spatial correlations. The equivalence in frequency domain is the…

Deterministic components in the light curve amplitude of Y Oph

8 years ago

AbstractAbout two decades after the discovery of the amplitude decline of the light curve of the classical Cepheid Y Oph,…

Biperiodic orbital period modulation of the W UMa binary system CK Bootis

8 years ago

AbstractA study of the orbital period variation of the W UMa system CK Bootis is made using an extended observational…

Orbital period modulation of the eclipsing binary system ER Vulpeculae: Real or not?

8 years ago

AbstractThe reanalysis of the timing data of the binary system ER Vulpeculae revealed the superposition of a relatively slow increasing…

Detection of low level periodic signals through enhanced self-correlation method. The case of ER Vulpeculae

8 years ago

AbstractThe self-correlation (SC) method proposed three decades ago by Percy, Jakate and Matthews is a complementary time series analysis method…

Accurate spectral solutions to a phase-field transition system

8 years ago

AbstractThe paper is mainly concerned with numerical approximation of solutions to the phase-field transition system (Caginalp’s model), subject to the…

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