Title

A submultiplicative property of the psi function

Document Type

Article

Publication Date

1-15-1999

Abstract

We prove that the function x → ψ(a + x) (a > 0) is submultiplicative on [0, ∞) if and only if a ≥ a0 = 3.203171 . . . . Here, a0 denotes the only positive real number which satisfies ψ(a0) = 1. © 1999 Elsevier Science B.V. All rights reserved.

Publication Title

Journal of Computational and Applied Mathematics

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