%0 Journal Article
%T A note on -hyponormal operators
%A Ch¨­ Muneo
%A Huruya Tadasi
%A Kim Young Ok
%J Journal of Inequalities and Applications
%D 2002
%I Springer
%X Let be a -hyponormal operator with the polar decomposition . In this paper, we show the following: (1) If is normal, then is normal. (2) If , then is also -hyponormal. (3) There exists a -hyponormal operator such that and .
%K w-hyponormal operator
%K p-hyponormal operator
%K Furuta inequality
%U http://www.journalofinequalitiesandapplications.com/content/7/268130