An Error Estimate for Gauss-Jacobi Quadrature Formula with the Hermite Weight W(x)=exp(-x2)
An error expansion for cubature with an integrand with homogeneous boundary singularities.
An essay on the Interpolation Theorem of Józef Marcinkiewicz - Polish patriot
An estimate for the least uniform deviation from the class of functions with bounded second derivative.
An Estimate Of The Rate Of Convergence For Modified Szász-Mirakyan Operators Of Function Of Bounded Variation
An exact estimate for approximation of a class of convex functions by Szasz-Mirakian operators in L_1 norm
An example related to Whitney extension with almost minimal norm.
An extension of a best approximation theorem.
An extension of a theorem of Sahab, Khan, and Sessa.
An extension to rational functions of a theorem of J. L. Walsh on differences of interpolating polynomials
An extremal problem for Bernstein polynomials.
An Implementation of the Method of Ermakov and Zolotukhin for Multidimensional Integration and Interpolation.
An Improved Constant for the Muntz-Jackson Theorem
An inequality for Chebyshev connection coefficients.
An inequality for polynomials with elliptic majorant.
An Inequality for Trigonometric Polynomials
The main result says in particular that if is a trigonometric polynomial of degree n having all its zeros in the open upper half-plane such that |t(ξ)| ≥ μ on the real axis and cₙ ≠ 0, then |t’(ξ)| ≥ μn for all real ξ.
An inequality of Ostrowski type via Pompeiu's mean value theorem.
An integral approximation in three variables.
An integral inequality for convex functions and applications in numerical integration.
An intermediate point property in the quadrature formulas of type Gauss.