DOIAbstract
AbstractThe classical Jackson theorem concerning polynomial approximation of functions on [−1, 1] is generalized to the case of approximation of functions given on a piecewise smooth arc in the complex plane by harmonic polynomials
AbstractThe classical Jackson theorem concerning polynomial approximation of functions on [−1, 1] is generalized to the case of approximation of functions given on a piecewise smooth arc in the complex plane by harmonic polynomials
In this work work we obtain some Jackson type direct theorem and sharp converse theorem of polynomia...
Let Gamma be a quasi-smooth curve in the complex plane C. In this study, a direct theorem of approxi...
Abstract. A classical quadrature result for analytic functions of a complex variable due to Motzkin ...
AbstractThe classical Jackson theorem concerning polynomial approximation of functions on [−1, 1] i...
AbstractThe best approximation of functions in Lp(Sd−1),0<p<1 by spherical harmonic polynomials is s...
AbstractWe discuss Totik’s extension of the classical Bernstein theorem on polynomial approximation ...
The aim of this thesis is to study approximation of multivariate functions on the complex sphere by ...
We construct polynomial approximations for continuous functions f defined on a quasi-smooth (in the ...
AbstractThe Dzjadyk-type theorem concerning the polynomial approximation of functions on a continuum...
AbstractAn analog of the theorem of D. Jackson on the approximation of periodic functions by means o...
AbstractThe problem of finding a best Tchebycheff approximation to a given continuous function f, de...
AbstractSome inequalities associated with the Laplacian for trigonometric polynomials are given, whi...
AbstractFor trigonometric polynomials on [-π,π]≡T, the classical Jackson inequality En(f)p⩽Cωr(f,1/n...
AbstractThe classical Weierstrass theorem states that any function continuous on a compact set K⊂Rd(...
AbstractGood polynomial approximations for analytic functions are potentially useful but are in shor...
In this work work we obtain some Jackson type direct theorem and sharp converse theorem of polynomia...
Let Gamma be a quasi-smooth curve in the complex plane C. In this study, a direct theorem of approxi...
Abstract. A classical quadrature result for analytic functions of a complex variable due to Motzkin ...
AbstractThe classical Jackson theorem concerning polynomial approximation of functions on [−1, 1] i...
AbstractThe best approximation of functions in Lp(Sd−1),0<p<1 by spherical harmonic polynomials is s...
AbstractWe discuss Totik’s extension of the classical Bernstein theorem on polynomial approximation ...
The aim of this thesis is to study approximation of multivariate functions on the complex sphere by ...
We construct polynomial approximations for continuous functions f defined on a quasi-smooth (in the ...
AbstractThe Dzjadyk-type theorem concerning the polynomial approximation of functions on a continuum...
AbstractAn analog of the theorem of D. Jackson on the approximation of periodic functions by means o...
AbstractThe problem of finding a best Tchebycheff approximation to a given continuous function f, de...
AbstractSome inequalities associated with the Laplacian for trigonometric polynomials are given, whi...
AbstractFor trigonometric polynomials on [-π,π]≡T, the classical Jackson inequality En(f)p⩽Cωr(f,1/n...
AbstractThe classical Weierstrass theorem states that any function continuous on a compact set K⊂Rd(...
AbstractGood polynomial approximations for analytic functions are potentially useful but are in shor...
In this work work we obtain some Jackson type direct theorem and sharp converse theorem of polynomia...
Let Gamma be a quasi-smooth curve in the complex plane C. In this study, a direct theorem of approxi...
Abstract. A classical quadrature result for analytic functions of a complex variable due to Motzkin ...
Add to ORKG