Estimates for n-widths of sets of smooth functions on the torus Td. - Alexander Kushpel; R. L. B. Stabile; Sergio A. Tozoni (J. Approx. Theory, 2014)

Estimates for entropy numbers of sets of smooth functions on the torus Td. - R. L. B. Stabile; Sergio A. Tozoni (J. Approx. Theory, 2018)

Estimates for n-widths of sets of smooth functions on complex spheres. - Deimer J. J. Aleans; Sergio A. Tozoni (J. Complex., 2021)

Estimates of entropy for multiplier operators of systems of orthonormal functions. - J. Milaré; Alexander Kushpel; Sergio A. Tozoni (J. Approx. Theory, 2023)

Estimates for entropy numbers of sets of smooth functions on complex spheres. - Deimer J. J. Aleans; Sergio A. Tozoni (J. Approx. Theory, 2025)