Browsing Fakultet for lærarutdanning, kultur og idrett / Faculty of Education, Arts and Sports by Subject "unconditional Ritt’s condition"
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Resolvent growth condition for the composition operator on the Fock space
(Peer reviewed; Journal article, 2020)For each analytic map ψ on the complex plane C, we study the Ritt’s resolvent growth condition for the composition operator Cψ:f→f∘ψ on the Fock space F2. We show that Cψ satisfies such a condition if and only if it is ...