Abstract:A short natural proof of the known relation between spectra of the difference and the product of two orthogonal projections is given. This proof also generalizes this result.
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- © Copyright 1987 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 99 (1987), 317-318
- MSC: Primary 47A10; Secondary 47B15
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870792-X
- MathSciNet review: 870792