2 papers
math.FA2021
Sharp estimates for the covering numbers of the Weierstrass fractal kernel
Douglas Azevedo, Karina Gonzalez, Thais Jordão
In this paper, we use the infamous continuous and nowhere differentiable Weierstrass function as a prototype to define a Weierstrass fractal kernel. We investigate the properties o…
math.FA2018
Kolmogorov widths on the sphere via eigenvalue estimates for Hölderian integral operators
Jordão, T., Menegatto +1
Approximation processes in the reproducing kernel Hilbert space associated to a continuous kernel on the unit sphere in the Euclidean space are known to de…