Joint spectrum of subnormal 𝑛-tuples of composition operators

Giménez, José

doi:10.1090/S0002-9939-01-06304-3

Joint spectrum of subnormal $n$-tuples of composition operators
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Proc. Amer. Math. Soc. 130 (2002), 2015-2023 Request permission

Abstract:

We compute the joint (Taylor) spectrum of an $n$-tuple of commuting composition operators acting on the Hardy space $H^2.$

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