Products of positive operators
Published online by Cambridge University Press: 24 October 2008
Extract
Let H be a complex Hilbert space. Recall that a bounded linear operator A, on H, is positive if (Ax, x) ≥ 0 (x ∈ H) (so that A = A* necessarily) and positive definite if A is positive and invertible.
- Type
- Research Article
- Information
- Mathematical Proceedings of the Cambridge Philosophical Society , Volume 76 , Issue 2 , September 1974 , pp. 415 - 416
- Copyright
- Copyright © Cambridge Philosophical Society 1974
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