Jensen's operator inequality;
monotonicity;
power means;
quasi-arithmetic means;
D O I:
10.1016/j.laa.2006.02.030
中图分类号:
O29 [应用数学];
学科分类号:
070104 ;
摘要:
A variant of Jensen's operator inequality for convex functions, which is a generalization of Mercer's result, is proved. Obtained result is used to prove a monotonicity property for Mercer's power means for operators, and a comparison theorem for quasi-arithmetic means for operators. (c) 2006 Elsevier Inc. All rights reserved.