×

The powers of an operator of numerical radius one. (English) Zbl 0198.17204


MSC:

47A05 General (adjoints, conjugates, products, inverses, domains, ranges, etc.)
47A12 Numerical range, numerical radius
47A30 Norms (inequalities, more than one norm, etc.) of linear operators
PDFBibTeX XMLCite
Full Text: DOI