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arXiv math/0305184math.DGmath.CO
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圆模式的极小曲面:组合数学的几何学

Minimal surfaces from circle patterns: Geometry from combinatorics

Alexander I. Bobenko, Tim Hoffmann, Boris A. Springborn

摘要:

提出了一种新的离散极小曲面的定义,它是用正交圆的球面填充来表示的。这些离散的极小曲面可以由Schramm圆模式构造。我们提出了一个变分原理,使我们能够构建离散类似的一些经典的极小曲面。用于构建的数据是纯粹的组合-曲率线模式的组合学。一个Weierstrass型表示和相关的家庭。我们证明了收敛到连续的极小曲面。

英文摘要:

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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