When can a net fold to a polyhedron

When can a net fold to a polyhedron
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DOI:
10.1016/j.comgeo.2004.12.004
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发表时间:
2005-06
期刊:
Comput. Geom.
影响因子:
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通讯作者:
T. Biedl;A. Lubiw;Julie Sun
T. Biedl;A. Lubiw;Julie Sun
中科院分区:
其他
文献类型:
--
作者:
T. Biedl;A. Lubiw;Julie Sun

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在本文中,我们研究了是否可以通过沿着折痕折叠网络来获得多面体的问题。我们证明,如果给定每个折痕处的二面角,则可以在多项式时间内解决该问题,并且如果这些角度未知,则该问题变得 NP 困难。我们还研究了网具有在折叠过程中不应相交的刚性面的情况。
In this paper, we study the problem of whether a polyhedron can be obtained from a net by folding along the creases. We show that this problem can be solved in polynomial time if the dihedral angle at each crease is given, and it becomes NP-hard if these angles are unknown. We also study the case when the net has rigid faces that should not intersect during the folding process.