An Invariant for Certain Operator Algebras
It is shown that the so-called principal function invariant, which is associated in a unitarily invariant way to operators with trace class self commutator TT(*) - T(*)T, is invariant under trace class perturbations of T and is an extension of the index of T-z to the whole plane. The connection of t...
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| Published in: | Proc Natl Acad Sci U S A |
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| Main Authors: | , |
| Format: | Artigo |
| Language: | Inglês |
| Published: |
National Academy of Sciences
1974
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| Subjects: | |
| Online Access: | https://ncbi.nlm.nih.govhttps://pmc.ncbi.nlm.nih.gov/articles/PMC388361/ https://ncbi.nlm.nih.govhttps://pubmed.ncbi.nlm.nih.gov/16592156/ https://ncbi.nlm.nih.govhttps://doi.org/10.1073/pnas.71.5.1952 |
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