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arxiv: 2503.03414 · v2 · pith:K3V4GKDGnew · submitted 2025-03-05 · 🧮 math.CV · math.CA

Inner Functions, M\"obius Distortion and Angular Derivatives

classification 🧮 math.CV math.CA
keywords innerdistortionentropyfinitefunctionsmathcalobiussingular
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We prove that an inner function has finite $\mathcal{L} (p)$-entropy if and only if its accumulated M\"obius distortion is in $L^p$, $0<p<\infty$. We also study the support of the positive singular measures such that their corresponding singular inner functions have finite $\mathcal{L} (p)$-entropy.

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