A $C^0$ estimate for nearly umbilical surfaces.. Calculus of Variations and Partial Differential Equations. 26:283–296.
UmbC0.pdf (319.23 KB)
Errata-umbilical-2.pdf (95.55 KB)
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2006. ![application/pdf PDF icon](/delellis/modules/file/icons/application-pdf.png)
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Optimal rigidity estimates for nearly umbilical surfaces.. Journal of Differential Geometry. 69:75–110.
StJDG.pdf (379.65 KB)
Errata-umbilical.pdf (118.13 KB)
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2005. ![application/pdf PDF icon](/delellis/modules/file/icons/application-pdf.png)
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Polyconvexity equals rank-one convexity for connected isotropic sets in $\Bbb M^{2\times 2}$.. Comptes Rendus Mathématique. Académie des Sciences. Paris. 337:233–238.
PolyCRAS.pdf (149.28 KB)
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2003. ![application/pdf PDF icon](/delellis/modules/file/icons/application-pdf.png)