A characterization of Q-polynomial association schemes

被引:7
|
作者
Kurihara, Hirotake [1 ]
Nozaki, Hiroshi [2 ]
机构
[1] Tohoku Univ, Math Inst, Aoba Ku, Sendai, Miyagi 9808578, Japan
[2] Tohoku Univ, Grad Sch Informat Sci, Aoba Ku, Sendai, Miyagi 9808578, Japan
基金
日本学术振兴会;
关键词
Association scheme; Q-polynomial association scheme; Spherical embedding of association scheme; s-Distance set; Larman-Rogers-Seidel theorem;
D O I
10.1016/j.jcta.2011.07.008
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We prove a necessary and sufficient condition for a symmetric association scheme to be a Q-polynomial scheme. (C) 2011 Elsevier Inc. All rights reserved.
引用
收藏
页码:57 / 62
页数:6
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