Abstract
We show that the reflexive algebra Alg(ℒ) given by a double triangle lattice ℒ in a finite factor ℳ (with ℒ″ = ℳ) is maximal non-selfadjoint in the class of all weak operator closed subalgebras with the same diagonal subalgebra Alg(ℒ)∩ Alg(ℒ)*. Our method can be used to prove similar results in finite-dimensional matrix algebras. As a consequence, we give a new proof to the main theorem by Hou and Zhang (2012)
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Dong, A., Wang, D. On maximal non-selfadjoint reflexive algebras associated with a double triangle lattice. Sci. China Math. 58, 2373–2386 (2015). https://doi.org/10.1007/s11425-015-5031-3
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DOI: https://doi.org/10.1007/s11425-015-5031-3
Keywords
- Kadison-Singer algebra
- Kadison-Singer lattice
- reflexive algebra
- double triangle lattice
- factor of type II1