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Minimizers with topological singularities in two dimensional elasticity

Published online by Cambridge University Press:  21 September 2007

Jonathan Bevan
Affiliation:
Department of Mathematics, University of Surrey, Guildford, GU2 7XH, UK; j.bevan@surrey.ac.uk
Xiaodong Yan
Affiliation:
Department of Mathematics, Michigan State University, East Lansing, MI 48824, USA; xiayan@math.msu.edu
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Abstract

For a class of 2-D elastic energies we show that a radial equilibrium solution is the unique global minimizer in a subclass of all admissible maps. The boundary constraint is a double cover of S1; the minimizer u is C1 and is such that $\det\nabla u$ vanishes at one point.


Type
Research Article
Copyright
© EDP Sciences, SMAI, 2007

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