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: | 9780821853078 |
Publication date: | 30th June 2011 |
Author: | Hideki Kosaki |
Publisher: | American Mathematical Society |
Format: | Paperback |
Pagination: | 80 pages |
Series: | Memoirs of the American Mathematical Society |
Genres: |
Calculus and mathematical analysis |