Revisiting cyclic elements in growth spaces
Authors
Linus Bergqvist
Adem Limani
Lund University, Centre for Mathematical Sciences
Bartosz Malman
Mälardalen University, Division of Mathematics and Physics
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We revisit the problem of characterizing cyclic elements for the shift operator in a broad class of radial growth spaces of holomorphic functions on the unit disk, focusing on functions of finite Nevanlinna characteristic. We provide results in the range of Dini regular weights, and in the regime of logarithmic integral divergence. Our proofs are largely constructive and allow for substantial simplifications of earlier works that previously relied on the Carleson Corona Theorem, such as the Korenblum–Roberts Theorem, as well as a more recent result of El-Fallah, Kellay and Seip.
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December 1, 2025
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Articles
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| Keywords | Singular inner functions, cyclic vectors, shift operator |
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Copyright (c) 2025 Annales Fennici Mathematici ![]() This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. |
