Ghost Chimneys

Ghost Chimneys
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幽灵烟囱

DOI:
10.1142/s0218195912500057
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发表时间:
2012
影响因子:
--
通讯作者:
and R. Uehara
and R. Uehara
中科院分区:
--
文献类型:
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作者:
D. Charlton;E. D. Demaine;M. L. Demaine;V. Dujmović;P. Morin;and R. Uehara

文献摘要

相似文献

如果存在直线H0,H1,…,则平面点集S是(i,t)鬼嵌套集,Ht-1使得S在Hj上的正交投影恰好由i+j个不同的点组成。给出了一组(i,t)鬼烟囱中t的最大值的上下界,表明它在i中线性。
A planar point set S is an (i, t)set of ghost chimneysif there exist lines H0, H1,…,Ht-1such that the orthogonal projection of S onto Hjconsists of exactly i + j distinct points. We give upper and lower bounds on the maximum value of t in an (i, t) set of ghost chimneys, showing that it is linear in i.