A note on -hyponormal operators

Journal of Inequalities and Applications

关键词: w-hyponormal operator;    p-hyponormal operator;    Furuta inequality;   

DOI  :  

来源: DOAJ

【 摘 要 】

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 .

【 授权许可】

Unknown