Bounding the Number of Columns (1, k-2, 1) in the Intersection Array of a Distance-Regular Graph

Bounding the Number of Columns (1, k-2, 1) in the Intersection Array of a Distance-Regular Graph
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限制距离正则图的交集数组中的列数 (1, k-2, 1)

DOI:
10.1016/0095-8956(88)90084-6
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发表时间:
1991
期刊:
J. Comb. Theory, Ser. B
影响因子:
--
通讯作者:
Nao Higashitani
Nao Higashitani
中科院分区:
--
文献类型:
--
作者:
Nao Higashitani

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本文证明了一个度k且围长>3的距离正则图的交数组中的(1,1,k-2)型列数至多为4。
It is shown that the number of columns of type (1, 1,k− 2) in the intersection array of a distance-regular graph with valencykand girth >3 is at most four.