Clifford theory for commutative association schemes

Akihide Hanaki
2008 Discrete Mathematics  
In this paper, Clifford's well-known theorem on irreducible characters of finite groups is generalized to finite commutative association schemes. Our theorem relates irreducible characters of finite commutative schemes to those of their strongly normal closed subsets.
doi:10.1016/j.disc.2007.08.018 fatcat:e3oznd5nmvd55foisffvoujbpe