Electrical Conductivity of Vitreous 75%V2O5−25%(As2O3·B2O3)
AbstractIn this note we present a study of semiconducting properties of vitreous 75%V2O5-25% which contains two glass former oxides namely…
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On the Scalar Measure of Non-Normality of Matrices – Dimension vs. Structure
AbstractThe aim of this paper is to analyze the relative importance of the dimension and the structure of the square matrices…
An integral formulation for some slow viscous flows with free surfaces
AbstractFor some viscous incompressible flows at low Reynolds numbers we deduce a system of nonlinear integral equations for stream function…
Surface mobility of surfactant solutions XVI. Involvement of the fluid viscosities in the Marangoni flow – some aspects
AbstractThe influence of viscosity upon the Marangoni flow (induced by surface tension differences) in competition with the gravity flow, through…
Numerical methods in establishment of concentration profile for the flows with chemical reactions over rotating disk
AbstractA viscous flow due to a rotating disk involving homogeneous as well as heterogeneous chemical reactions is considered. We simplify…
Numerical methods for the flows with chemical reactions over a rotating disk
AbstractA shooting method with variable step size is used in order to determine the concentration profile in a boundary layer…
On the behavior of a thin liquid layer flowing due to gravity and a surface tension gradient
AbstractA thin liquid layer flowing due to gravity and a surface tension gradient are taken into account. On the liquid/gas…
On the bifurcation and variational approximation of the positive solution of a nonlinear reaction-diffusion problem
Abstract We consider a nonlinear, second-order, two-point boundary value problem that models some reaction-diffusion processes. When the reaction term has…
On spectral properties of some Chebyshev-type methods. Dimension vs. structure
AbstractThe 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 equations
AbstractA general iterative procedure for solving Navier-Stokes system in stream function-vorticity variables is considered. Using the fundamental solution for Laplace…