Noncommutative topological entropy of endomorphisms of Cuntz algebras
classification
🧮 math.OA
math.FA
keywords
endomorphismsentropyalgebrascuntznoncommutativetopologicalbranchingbratteli
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Noncommutative topological entropy estimates are obtained for polynomial gauge invariant endomorphisms of Cuntz algebras, generalising known results for the canonical shift endomorphisms. Exact values for the entropy are computed for a class of permutative endomorphisms related to branching function systems introduced and studied by Bratteli, Jorgensen and Kawamura.
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