Products of positive operators
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- by Gerard J. Murphy PDF
- Proc. Amer. Math. Soc. 125 (1997), 3675-3677 Request permission
Abstract:
A new, very simple proof is given of a result of P. Y. Wu which asserts that every unitary operator on an infinite-dimensional Hilbert space is a product of positive operators.References
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Additional Information
- Gerard J. Murphy
- Affiliation: Department of Mathematics, University College, Cork, Ireland
- Email: gjm@ucc.ie
- Received by editor(s): March 29, 1996
- Received by editor(s) in revised form: July 22, 1996
- Communicated by: Palle E. T. Jorgensen
- © Copyright 1997 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 125 (1997), 3675-3677
- MSC (1991): Primary 46L05, 47A65
- DOI: https://doi.org/10.1090/S0002-9939-97-04019-7
- MathSciNet review: 1415356