A matrix equation for association schemes

Autor:	Dennis Stanton, Laura M. Chihara
Rok vydání:	1995
Předmět:	Algebra Discrete mathematics 010104 statistics & probability Hamming scheme Association scheme 010102 general mathematics Diagonal Discrete Mathematics and Combinatorics 0101 mathematics 01 natural sciences Theoretical Computer Science Mathematics
Zdroj:	Graphs and Combinatorics. 11:103-108
ISSN:	1435-5914 0911-0119
DOI:	10.1007/bf01929479
Popis:	Let be a self-dual P-polynomial association scheme. Then there are at most 12 diagonal matricesT such that (PT)3 =I. Moreover, all of the solutions for the classical infinite families of such schemes (including the Hamming scheme) are classified.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::dab424e7f5f9a0ef4b44c5e0d24e2fa5 https://doi.org/10.1007/bf01929479 Zobrazit plný text záznamu Full text from SpringerLink