Bounded symbols and one-component inner functions
发布时间：2026-10-10 点击次数：
发表刊物：Submitted
摘要：Let θ be a nonconstant inner function, we prove that every bounded truncated Toeplitz operator on the model space Kθ = H2 ⊖θH2 admits a bounded symbol if and only if θ is one-component, that is, if {z ∈ D : |θ(z)| < r} is nonempty and connected for some r ∈ (0,1).
合写作者：Pan Ma
是否译文：否