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Commutators and compressions |
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| Authors: | J. H. Anderson J. G. Stampfli |
| Affiliation: | (1) Indiana, University, Bloomington, Indiana |
| Abstract: | We present a short proof of the known theorem that every operator, not of the formλI + compact, whereλ ≢ 0, is a commutator. The second author gratefully acknowledges the support of the National Science Foundation. |
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