convex sequence

convex sequence

[′kän‚veks ′sē·kwəns]
(mathematics)
A sequence of numbers, a1, a2, …, such that ai + 1≤ (1/2)(ai + ai +2) for all i ≥ 1 (or for all i satisfying 1 ≤ i <>n- 2 if the sequence is a finite sequence with n terms).
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
If ([[lambda].sub.n]) is a convex sequence such that [SIGMA][n.sup.- 1][[lambda].sub.n] is convergent, then the
Several authors [1-3] have proved various results on the convex sequences defined by [mathematical expression not reproducible].
Ozeki, "Convex sequences and their means," Journal of the College of Arts and Sciences.