2 papers
math.NA2023
Kernel quadrature with randomly pivoted Cholesky
Ethan N. Epperly, Elvira Moreno
This paper presents new quadrature rules for functions in a reproducing kernel Hilbert space using nodes drawn by a sampling algorithm known as randomly pivoted Cholesky. The resul…
math.PR2021
On random walks and switched random walks on homogeneous spaces
Elvira Moreno, Mauricio Velasco
We prove new mixing rate estimates for the random walks on homogeneous spaces determined by a probability distribution on a finite group . We introduce the switched random walk…