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Symmetric Association Schemes of Class 2

โœ Scribed by Hiroshi Iwane


Publisher
Springer Japan
Year
1993
Tongue
English
Weight
59 KB
Volume
9
Category
Article
ISSN
0911-0119

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A Four-Class Association Scheme
โœ Gary L. Ebert; Sebastian Egner; Henk D.L. Hollmann; Qing Xiang ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 131 KB

We show the existence of a four-class association scheme defined on the unordered pairs of distinct points from PG(1, q 2 ), for q 4 a power of 2, thereby proving a conjecture of D. de Caen and E. van Dam (Fissioned triangular schemes via the cross-ratio, European J. Combin. 22 (2001), 297 301). Thi