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Spectra of anticommutator for two orthogonal projections.
- Source :
-
Linear & Multilinear Algebra . Oct2019, Vol. 67 Issue 10, p2077-2081. 5p. - Publication Year :
- 2019
-
Abstract
- In this note, for any two orthogonal projections P,Q on a Hilbert space, the characterization of spectrum of anticommutator PQ+QP has been obtained. As a corollary, an alternative proof of the norm formula has been obtained (see Walters S. Anticommutator norm formula for projection operators, arXiv:1604.00699vl [math.FA] 3 Apr 2016). [ABSTRACT FROM AUTHOR]
- Subjects :
- *HILBERT space
*ORTHOGRAPHIC projection
Subjects
Details
- Language :
- English
- ISSN :
- 03081087
- Volume :
- 67
- Issue :
- 10
- Database :
- Academic Search Index
- Journal :
- Linear & Multilinear Algebra
- Publication Type :
- Academic Journal
- Accession number :
- 137844109
- Full Text :
- https://doi.org/10.1080/03081087.2018.1481358