期刊名称:International Journal of Mathematics and Mathematical Sciences
印刷版ISSN:0161-1712
电子版ISSN:1687-0425
出版年度:1995
卷号:18
DOI:10.1155/S0161171295000263
出版社:Hindawi Publishing Corporation
摘要:For positive operators A and B with A invertible it is shown that (AB2A)½≤A2 implies
(AB2A)¾≤ABA. The inequalities in the title for 0≤B≤A are then derived as a conquence.