Automatic algorithm for monotone trend removal
AbstractThe available numerical algorithms for trend removal require a direct subjective intervention in choosing critical parameters. In this paper an…
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Autoregressive modeling of the variability of an active galaxy
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
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
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
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?
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
AbstractThe self-correlation (SC) method proposed three decades ago by Percy, Jakate and Matthews is a complementary time series analysis method…
Local and global convergence results for a class of Steffensen-Aitken-type methods
Abstract? AuthorsIoannis K. Argyros Department of Mathematics, Cameron University Emil Catinas Tiberiu Popoviciu Institute of Numerical Analysis Ion Pavaloiu Tiberiu…
Conditions for the convergence of perturbed Steffensen methods on a Banach space with a convergence structure
Abstract? Authors Ioannis K. Argyros Department of Mathematics, Cameron University Emil Catinas Tiberiu Popoviciu Institute of Numerical Analysis Ion Pavaloiu…
On some general iterative methods for solving nonlinear operator equations containing a nondifferentiable term
Abstract? Authors Ioannis K. Argyros Department of Mathematics, Cameron University Emil Catinas Tiberiu Popoviciu Institute of Numerical Analysis Ion Pavaloiu…