New limit formulas for the convolution of a function with a measure and their applications.
New Minimality Properties of Gaussian Quadratures.
New results in extremal problems with polynomials.
Numerical Integration by Means of Adapted Euler Summation Formulas.
Numerical Integration over a Semi-Infinite Interval, Using the Lognormal Distribution.
Numerical methods of computation of singular and hypersingular integrals.
On a problem of Turán: (0, 2) quadrature formula with a high algebraic degree of precision.
On a Problem Proposed by H. Braß Concerning the Remainder Term in Quadrature for Convex Functions.
On Appel-type quadrature rules.
On Averaging Sets.
On Best Cubature Formulas and Spline Interpolation.
On Cubature Formulae with a Minimal Number of Knots.
On highly oscillatory problems arising in electronic engineering
In this paper, we consider linear ordinary differential equations originating in electronic engineering, which exhibit exceedingly rapid oscillation. Moreover, the oscillation model is completely different from the familiar framework of asymptotic analysis of highly oscillatory integrals. Using a Bessel-function identity, we expand the oscillator into asymptotic series, and this allows us to extend Filon-type approach to this setting. The outcome is a time-stepping method that guarantees ...
On numerical cubatures of singular surface integrals in boundary element methods.
On numerical evaluation of integrals involving Bessel functions
On one method of numerical integration
The uniform convergence of a sequence of Lienhard approximation of a given continuous function is proved. Further, a method of numerical integration is derived which is based on the Lienhard interpolation method.
On optimal quadrature formulae.
On Simpson's inequality and applications.
On some quadrature rules with Laplace end corrections
We investigate quadrature rules with Laplace end corrections that depend on a parameter β. Specific values of β yield sixth order rules. We apply our results to approximating the sum of slowly converging series s = Σi=1∞ f(i + 1/2) where f ∈ C 6 with its sixth derivative of constant sign on [m, ∞) and ∫ m∞ f(x)dx is known for m ∈ ℕ. Several examples show the efficiency of this method. This paper continues the results from [Solak W., Szydełko Z., Quadrature rules with Gregory-Laplace end corrections,...
On the connection between some Riemann-solver free approaches to the approximation of multi-dimensional systems of hyperbolic conservation laws
In this paper, we present some interesting connections between a number of Riemann-solver free approaches to the numerical solution of multi-dimensional systems of conservation laws. As a main part, we present a new and elementary derivation of Fey’s Method of Transport (MoT) (respectively the second author’s ICE version of the scheme) and the state decompositions which form the basis of it. The only tools that we use are quadrature rules applied to the moment integral used in the gas kinetic derivation...