The projection of a rectifiable Legendrian set is C2-rectifiable:: a simplified proof

被引:4
作者
Delladio, S [1 ]
机构
[1] Univ Trent, Dipartimento Matemat, I-38050 Trent, Italy
关键词
D O I
10.1017/S0308210500002298
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We provide a simplified proof of the following well-known theorem. The projection to Rn+1 of an n-dimensional rectifiable Legendrian subset of Rn+1 x S-n is C-2-rectifiable. Such a result generalizes the following simple fact. Let M be a hypersurface whose Gauss map has graph of class C-1. Then M is of class C-2.
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页码:85 / 96
页数:12
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