A note on K-functional, Modulus of smoothness, Jackson theorem and Bernstein-Nikolskii-Stechkin inequality on Damek-Ricci spaces

Vishvesh Kumar, Michael V. Ruzhansky. A note on K-functional, Modulus of smoothness, Jackson theorem and Bernstein-Nikolskii-Stechkin inequality on Damek-Ricci spaces. Journal of Approximation Theory, 264:105537, 2021. [doi]

Abstract

Abstract is missing.