Noncommutative topological entropy of endomorphismus of Cuntz Algebras
MFO Scientific ProgramResearch in Pairs 2008
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Noncommutative topological entropy estimates are obtained for ‘finite range’ endomorphisms of Cuntz algebras,generalising known results for the canonical shift endomorphisms. Exact values are computed for a class of polynomial endomorphisms related to branching function systems introduced and studied by Bratteli, Jorgensen and Kawamura.