|Sfb 288 Differential Geometry and Quantum Physics|
Abstract for Sfb Preprint No. 587
Minimal surfaces from circle patterns: Geometry from combinatorics
A.I. Bobenko, T. Hoffmann, B. Springborn
We suggest a new definition for discrete minimal surfaces in terms of sphere packings with orthogonally intersecting circles. These discrete minimal surfaces can be constructed from Schramm's circle patterns. We present a variational principle which allows us to construct discrete analogues of some classical minimal surfaces. The data used for the construction are purely combinatorial---the combinatorics of the curvature line pattern. A Weierstrass-type representation and an associated family are derived. We show the convergence to continuous minimal surfaces.
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