Morita equivalent subalgebras of irrational rotation algebras and real quadratic fields

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dc.creatorNawata, Norio
dc.date2008-02-20
dc.date2008-07-17
dc.date.accessioned2026-07-07T09:50:36Z
dc.date.available2026-07-07T09:50:36Z
dc.descriptionIn this paper, we determine the isomorphic classes of Morita equivalent subalgebras of irrational rotation algebras. It is based on the solution of the quadratic Diophantine equations. We determine the irrational rotation algebras that have locally trivial inclusions. We compute the index of the locally trivial inclusions of irrational rotation algebras.
dc.description14pages, shortened, simplified
dc.identifierhttps://arxiv.org/abs/0802.2751
dc.identifierhttp://arxiv.org/abs/0802.2751
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/164995
dc.subjectOperator Algebras
dc.subjectNumber Theory
dc.subject46L05; 11D09; 11R11
dc.titleMorita equivalent subalgebras of irrational rotation algebras and real quadratic fields
dc.typetext

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