On Conjugacy of MASAs and the Outer Automorphism Group of the Cuntz Algebra
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🧮 math.OA
math.DSmath.FAmath.GR
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algebraautomorphismconjugacyconjugatecuntzgroupmasasouter
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We investigate the structure of the outer automorphism group of the Cuntz algebra and the closely related problem of conjugacy of MASAa in O_n. In particular, we exhibit an uncountable family of MASAs, conjugate to the standard MASA D_n via Bogolubov automorphisms, that are not inner conjugate to D_n.
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