Affine unfoldings of convex polyhedra

Affine unfoldings of convex polyhedra
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凸多面体的仿射展开

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发表时间:
2013
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通讯作者:
M. Ghomi
M. Ghomi
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作者:
M. Ghomi

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证明了每个凸多面体在仿射变换后都有一条简单的边展开。特别地,杜勒的可展性问题的正解不存在组合障碍,它回答了Croft、Falconer和Guy的一个问题。在其他技术中,该证明使用了用于在盘的平面浸没之间嵌入的拓扑特征。
We show that every convex polyhedron admits a simple edge unfolding after an affine transformation. In particular there exists no combinatorial obstruction to a positive resolution of Durer's unfoldability problem, which answers a question of Croft, Falconer, and Guy. Among other techniques, the proof employs a topological characterization for embeddings among the planar immersions of the disk.