The Intersection Numbers of Nearly Kirkman Triple Systems

被引:1
|
作者
Bing Li FAN
Zhong Hao JIANG
机构
[1] InstituteofMathematics,BeijingJiaotongUniversity
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中图分类号
O144 [集合论];
学科分类号
摘要
In this paper,we investigate the intersection numbers of nearly Kirkman triple systems.JN [v] is the set of all integers k such that there is a pair of NKTS(v)s with a common uncovered collection of 2-subset intersecting in k triples.It has been established that JN[v]={0,1,...,v(v-2)/6-6,v(v-2)/6-4,v(v-2)/6} for any integers v ≡ 0(mod 6) and v≥66.For v≤60,there are 8 cases left undecided.
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页码:1430 / 1450
页数:21
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