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…
works
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…
The representation of the parametrical surfaces using the depth-sorting method
AbstractAuthorsEmil Cătinas Emil Cătinaş KeywordsReferencesSee the expanding block below. Paper coordinatesE. Cătinaş, The representation of the parametrical surfaces using the…
Local and global convergence results for a class of Steffensen-Aitken-type methods
Abstract? AuthorsIoannis K. Argyros, Department of Mathematics, Cameron University Emil Cătinaș Emil Cătinaş Ion Păvăloiu Ion Păvăloiu Keywords? Paper coordinatesI. Argyros,…
Conditions for the convergence of perturbed Steffensen methods on a Banach space with a convergence structure
Abstract? AuthorsIoannis K. Argyros Department of Mathematics, Cameron University Emil Catinas Emil Cătinaş Ion Pavaloiu Ion Păvăloiu Keywords? Paper coordinatesI.…
On some general iterative methods for solving nonlinear operator equations containing a nondifferentiable term
Abstract? AuthorsIoannis K. Argyros Department of Mathematics, Cameron University Emil Catinas Emil Cătinaş Ion Pavaloiu Ion Păvăloiu Keywords? Paper coordinatesI.…
On the convergence of Steffensen-Aitken-like methods using divided differences obtained recursively
AbstractWe use inexact Steffensen-Aitken-like methods to approximate a solution of a nonlinear equation in a Banach space. The approximate inverses…
(talk of Titus Pinţa) Basic results in Numerical Linear Algebra (III) – Algorithms for eigenvalue problems
AuthorsTitus Pinţa (student at the Babes-Bolyai University, Faculty of Mathematics and Computer Science) Talk given atTiberiu Popoviciu Institute Seminar Date…
On the accuracy of pseudospectral differentiation
AbstractFor various grids on a finite interval we measure the accurarcy of pseudospectral (collocation) differentiation matrices using two parameters. The…
Marangoni and gravity flows in thin liquid layers
AbstractThe paper presents a comparison between the experimental and caculated data for the Marangoni-type flow, in competition with the gravity…