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The Terwilliger algebra of the Johnson scheme [formula omitted] revisited from the viewpoint of group representations.
- Source :
-
European Journal of Combinatorics . Aug2019, Vol. 80, p157-171. 15p. - Publication Year :
- 2019
-
Abstract
- Let T = T (x 0) be the Terwilliger algebra of the Johnson scheme J (N , D) , where x 0 is a fixed base point. In Liang et al. (2017), an observation is made on the parameters of Leonard systems that arise from the irreducible representations of T. This paper accounts for the observation from the viewpoint of group representations. In particular, it is shown that T is isomorphic to the centralizer algebra for the stabilizer of the base point x 0 in the automorphism group of J (N , D). [ABSTRACT FROM AUTHOR]
- Subjects :
- *ALGEBRA
*AUTOMORPHISM groups
*AUTOMORPHISMS
Subjects
Details
- Language :
- English
- ISSN :
- 01956698
- Volume :
- 80
- Database :
- Academic Search Index
- Journal :
- European Journal of Combinatorics
- Publication Type :
- Academic Journal
- Accession number :
- 137051996
- Full Text :
- https://doi.org/10.1016/j.ejc.2018.02.029