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Some questions of Beurling-Ahlfors’ extension. (Chinese. English summary) Zbl 0971.30016
The paper studied a new kind of quasiconformal extension of quasisymmetric functions on the real line. The extension is similar to that of Beurling and Ahlfors with \(1/2\) replaced by a function \((1/T)_{\chi[QT]}\). Some estimates of the maximal dilatation of the extension were given.
MSC:
30C62 Quasiconformal mappings in the complex plane
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