Orbital period modulation of the eclipsing binary system ER Vulpeculae: Real or not?7 years agoAbstractThe 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 Vulpeculae7 years agoAbstractThe self-correlation (SC) method proposed three decades ago by Percy, Jakate and Matthews is a complementary time series analysis method…
On an Aitken-Steffensen-Newton type method7 years agoAbstract We consider an Aitken-Steffensen type method in which the nodes are controlled by Newton and two-step Newton iterations. We…
A survey on the high convergence orders and computational convergence orders of sequences7 years agoThis is the first paper which surveys the rigorous definitions and relations of convergence orders (the Q-orders; the C-orders; the…
FEM and/or BEM for numerical simulation of Marangoni flow7 years agoAbstractThe aim of this work is the numerical study of Marangoni effect using three different methods. They are a finite…
Application of the Jacobi-Davidson method to accurate analysis of singular linear hydrodynamic stability problems7 years agoAbstractThe aim of this paper is to show that the Jacobi–Davidson (JD) method is an accurate and robust method for…
Electrical Conductivity of Vitreous 75%V2O5−25%(As2O3·B2O3)7 years agoAbstractIn this note we present a study of semiconducting properties of vitreous 75%V2O5-25% which contains two glass former oxides namely…
On spectral properties of some Chebyshev-type methods. Dimension vs. structure7 years agoAbstractThe aim of the present paper is to analyze the non-normality of the matrices (finite dimensional operators) which result when some…
On the use of Green’s formula for the solution of the Navier-Stokes equations7 years agoAbstractA general iterative procedure for solving Navier-Stokes system in stream function-vorticity variables is considered. Using the fundamental solution for Laplace…
Spectral collocation solutions to systems of boundary layer type7 years agoAbstractThree spectral collocation methods, namely Laguerre collocation (LC), Laguerre Gauss Radau collocation (LGRC) and mapped Chebyshev collocation (ChC) are used…