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A problem on extremal quasiconformal extensions |
Chen Zhi-Guo |
Department of Mathematics, Zhejiang University, Hangzhou 310027, China |
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Abstract In this paper we give a short survey on a problem on extremal quasiconformal extensions. It had been a conjecture for a long time that the dilatations K0(h) and K1(h) are equal before Anderson and Hinkkanen disproved this by constructing concrete examples of a family of affine mappings of some parallelograms. The problem also engendered many interesting results. At the end of the current paper, we discuss relationships among K0(h), H(h) and K1(h) as a concluding remark.
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Received: 20 November 2005
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