Entropy of subshifts and the Macaev norm

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概要

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• We obtain the exact value of Voiculescu's invariant k－∞(τ), which is an obstruction of the existence of quasicentral approximate units relative to the Macaev ideal in perturbation theory, for a tuple τ of operators in the following two classes: (1) creation operators associated with a subshift, which are used to define Matsumoto algebras, (2) unitaries in the left regular representation of a finitely generated group.PDFファイルは、「PROJECT euclid」(http://projecteuclid.org/euclid.jmsj/1191418701)より

• 日本数学会の論文
• 2004-01-01

著者

• Okayasu Rui

  Department Of Mathematics Kyoto University

• Okayasu Rui

  Department Of Mathematics Osaka Kyoiku University

関連論文

• Cuntz-Krieger-Pimsner Algebras Associated with Amalgamated Free Product Groups
• Entropy of subshifts and the Macaev norm

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