Abstract.
We construct, for any “good” Cantor set F of S n-1, an immersion of the sphere S n with set of points of zero Gauss-Kronecker curvature equal to F × D 1, where D 1 is the 1-dimensional disk. In particular these examples show that the theorem of Matheus-Oliveira strictly extends two results by do Carmo-Elbert and Barbosa-Fukuoka-Mercuri.
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To professor João Lucas Barbosa, in occasion of his 60th birthday.
† Supported by CNPq/Brazil.
‡ Supported by Faperj/Brazil.
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Arbieto†, A., Matheus‡, C. Immersions with fractal set of points of zero Gauss-Kronecker curvature. Bull Braz Math Soc, New Series 35, 363–376 (2004). https://doi.org/10.1007/s00574-004-0019-6
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DOI: https://doi.org/10.1007/s00574-004-0019-6