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Multicommutators and multianticommutators of orthogonal projections |
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| Authors: | Volodymyr Mazorchuk |
| Affiliation: | Department of Mathematics , Uppsala University , Box 480, SE-75106 Uppsala , Sweden |
| Abstract: | We establish sufficient and necessary conditions for an n?×?n Hermitian matrix A to be a multicommutator or a multianticommutator of orthoprojections. |
| Keywords: | Commutator Anticommutator Decomposition Orthogonal projection |