On the positive definiteness of some functions related to the Schoenberg problem
Sign Up to like & getrecommendations! 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