摘要
最近,对于任何的酉不变范数,KITTANEH得到了Heinz不等式的一个改进.在这篇注记中,得到了KIT-TANEH结果的一个改进.
Recently, KITTANEH obtained an improvement of the Heinz inequality for all unitarily invariant norms. In this note, we obtain a refinement of KITTANEH's result. We shall conclude this paper with some numerical examples.
出处
《浙江大学学报(理学版)》
CAS
CSCD
2013年第1期27-28,41,共3页
Journal of Zhejiang University(Science Edition)
基金
Supported by Natural Science Foundation Project of Chongqing Science and Technology Commission(No.CSTC,2010BB0314)
Scientific Research Project of Chongqing Three Gorges University(No.11QN-21)
关键词
Heinz不等式
酉不变范数
半正定矩阵
Heinz inequality
unitarily invariant norms
positive semidefinite matrices