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Association schemes coming from minimal flats in classical polar spaces

✍ Scribed by Kaishun Wang; Fenggao Li; Jun Guo; Jianmin Ma


Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
246 KB
Volume
435
Category
Article
ISSN
0024-3795

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✦ Synopsis


Let F 2ν

q denote a 2ν-dimensional vector space over a finite field F q with a non-degenerate form of Witt index ν, and G denote the corresponding isometry group. Let W be a fixed maximal flat, and Θ be the set of all the minimal flats not contained in W . The set-wise stabilizer of W in G acts transitively on Θ and thus this action determines an association scheme. In this paper, we compute the intersection numbers and character tables for these schemes.