Articles with "related schoenberg" as a keyword



Photo from archive.org

On the positive definiteness of some functions related to the Schoenberg problem

Sign Up to like & get
recommendations!
Published in 2017 at "Mathematical Notes"

DOI: 10.1134/s0001434617090036

Abstract: For a broad class of functions f: [0,+∞) → ℝ, we prove that the function f(ρλ(x)) is positive definite on a nontrivial real linear space E if and only if 0 ≤ λ ≤ α(E,… read more here.

Keywords: related schoenberg; schoenberg; definiteness functions; functions related ... See more keywords