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Physical Sciences and Mathematics Commons

Open Access. Powered by Scholars. Published by Universities.®

Mathematics

Smith College

2012

Trace dilation

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Full-Text Articles in Physical Sciences and Mathematics

An Aronsson Type Approach To Extremal Quasiconformal Mappings, Luca Capogna, Andrew Raich Aug 2012

An Aronsson Type Approach To Extremal Quasiconformal Mappings, Luca Capogna, Andrew Raich

Mathematics Sciences: Faculty Publications

We study C 2 extremal quasiconformal mappings in space and establish necessary and sufficient conditions for a 'localized' form of extremality in the spirit of the work of G. Aronsson on absolutely minimizing Lipschitz extensions. We also prove short-time existence for smooth solutions of a gradient flow of QC diffeomorphisms associated to the extremal problem.