Proof of a conjecture of De Caen and Van Dam

被引:4
作者
Ebert, GL
Egner, S
Hollmann, HDL
Xiang, Q
机构
[1] Philips Res Labs, NL-5656 AA Eindhoven, Netherlands
[2] Univ Delaware, Dept Math Sci, Newark, DE 19716 USA
关键词
D O I
10.1006/eujc.2001.0523
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We present a proof for a conjecture of De Caen and Van Dam (2001, Europ. J. Combinatorics, 22, 297-301) concerning the existence of a four-class association scheme on the set of all unordered pairs of points of the projective line PG(1, q(2)), where q = 2(m). (C) 2002 Academic Press.
引用
收藏
页码:201 / 206
页数:6
相关论文
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Ebert, GL ;
Egner, S ;
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JOURNAL OF COMBINATORIAL THEORY SERIES A, 2001, 96 (01) :180-191
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HOLLMANN HDL, ASS SCHEMES ACTION P
[5]  
TANAKA H, 4 CLASS SUBSCHEME AS