Digons and angular derivatives of analytic self-maps of the unit disk

2007/01/10 by Contreras, Manuel D., Díaz-Madrigal, Santiago, Vasil'ev, Alexander
#30C35 #30C75 #30D05 #37C25 #Complex Variables (math.CV) #Dynamical Systems (math.DS) #FOS: Mathematics

paper · doi:10.48550/arxiv.math/0701272

Abstract

We present a geometric approach to a well-known sharp inequality, due to Cowen and Pommerenke, about angular derivatives of general univalent self-maps of the unit disk.

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