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SUMMARY:On the minimality of x/|x|
DTSTART:20261015T091500Z
DTEND:20261015T101500Z
DTSTAMP:20261012T062800Z
UID:indico-event-17336@indico.math.cnrs.fr
DESCRIPTION:Speakers: Xavier Lamy (IMT)\n\nThe map $u_*\\colon\\mathbb R^3
 \\to\\mathbb S^2$\, $x\\mapsto x/|x|$\, is a local minimizer of the Dirich
 let energy $\\int |\\nabla u|^2$ among $\\mathbb S^2$-valued maps. I will 
 present recent results\, and open questions\, about quantitative versions 
 of that statement and its extension to a family of energies arising from t
 he physics of liquid crystals. This is joint work with Pierre Bousquet.\n\
 nhttps://indico.math.cnrs.fr/event/17336/
LOCATION:Salle J. Cavailles (1R2-132)
URL:https://indico.math.cnrs.fr/event/17336/
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