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Bicircular projections and characterization of Hilbert spaces |
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| Authors: | Lá szló L Stachó Borut Zalar |
| Institution: | University of Szeged, Bolyai Institute, Aradi Vértanúk tere 1, 6720 Szeged, Hungary ; University of Maribor, Smetanova 17, 2000 Maribor, Slovenia |
| Abstract: | We prove that every JB* triple with rank one bicircular projection is a direct sum of two ideals, one of which is isometrically isomorphic to a Hilbert space. |
| Keywords: | JB* triple bicircular projection contractive projection Hilbert space Peirce decomposition |
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