Curvature line parametrization from circle patterns

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We study local and global approximations of smooth nets of curvature lines and smooth conjugate nets by respective discrete nets (circular nets and planar quadrilateral nets) with infinitesimal quads. It is shown that choosing the points of discrete nets on the smooth surface one can obtain second-order approximation globally. Also a simple geometric construction for approximate determination of principal directions of smooth surfaces is given.
LaTeX, 22 p., 7 EPS figures

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Differential Geometry

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http://salesiana.dossiersoluciones.com/handle/123456789/132248

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0706.3221
 http://arxiv.org/abs/0706.3221

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arXiv