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Let Θ be an inner function in the upper half-plane and let K Θ = H2 Θ ΘH2 be the associated model subspace of the Hardy space H2. We call a nonnegative function ω Θ-admissible if in the space K Θ there exists a nonzero function f KΘ such that |f| ≤ ω a.e. on ℝ. We give some sufficient conditions of Θ-admissibility for the case where Θ is a meromorphic function and arg Θ grows fast ((argΘ)′ tends to infinity). Bibliography: 9 titles.
Original language | English |
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Pages (from-to) | 813-829 |
Number of pages | 17 |
Journal | Journal of Mathematical Sciences |
Volume | 148 |
Issue number | 6 |
DOIs | |
State | Published - 1 Feb 2008 |
ID: 39999622