Self-adjoint square roots of positive self-adjoint bounded linear operators. (English) Zbl 0248.47024
MSC:
47L05 | Linear spaces of operators |
47A30 | Norms (inequalities, more than one norm, etc.) of linear operators |
47A05 | General (adjoints, conjugates, products, inverses, domains, ranges, etc.) |
References:
[1] | DOI: 10.1215/S0012-7094-70-03759-2 · Zbl 0216.41602 · doi:10.1215/S0012-7094-70-03759-2 |
[2] | Webb, Boll. Un. Mat. Ital. 4 pp 614– (1971) |
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