Positive definiteness is determined for a wide class of functions relevant in the study of operator means and their norm comparisons. Then, this information is used to obtain an abundance of new sharp (unitarily) norm inequalities comparing various operator means and sometimes other related operators.
| ISBN: | 9781470406141 |
| Publication date: | 30th November -0001 |
| Author: | Kosaki, Hideki |
| Publisher: | American Mathematical Society |
| Format: | Ebook (PDF) |