1 citations · 1 across the 2 of their papers we have counts for
3 papers
math.NA2026
Geometric properties of the Lebesgue function
Leokadia Białas-Cież, Stefano De Marchi, Mateusz Suder
We present a collection of observations concerning the peculiar behavior of the Lebesgue function in the setting of the interval and the square $[-1,1]^2…
math.NA2024★ 1 cited
On the Lebesgue constant of the Morrow-Patterson points
Tomasz Beberok, Leokadia Białas-Cież, Stefano De Marchi
The study of interpolation nodes and their associated Lebesgue constants are central to numerical analysis, impacting the stability and accuracy of polynomial approximations. In th…
math.CV2018
Convexity properties related to extremal functions
Mirosław Baran, Leokadia Białas-Cież
In 1962 J. Siciak introduced polynomial extremal function. The Siciak extremal function is one of the most important tool to investigate derivatives of polynomials. W. Pleśniak in…