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Isothermic nets with spherical parameter lines from discrete holomorphic maps

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arxiv 2403.13476 v1 pith:FNQNB2TO submitted 2024-03-20 math.DG

classification math.DG
keywords discreteholomorphicisothermiclinesmapscurvaturenetsplanar
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We prove that all discrete isothermic nets with a family of planar or spherical lines of curvature can be obtained from special discrete holomorphic maps via lifted-folding. This novel approach is a generalization and discretization of a classical method to create planar curvature lines on smooth surfaces. In particular, this technique provides an efficient way to construct discrete isothermic topological tori composed of fundamental pieces from discrete periodic holomorphic maps.

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Cited by 2 Pith papers

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    For discrete BS- and D-Koenigs nets, Laplace degeneracy of the m-th forward transform forces Laplace degeneracy of the (m+1)-th backward transform (or the (m+2)-th for Goursat degeneracy), making every terminating Lap...

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