Article ID Journal Published Year Pages File Type
4648160 Discrete Mathematics 2011 6 Pages PDF
Abstract

In this paper, we consider algebras over a field of characteristic pp, which are generated by adjacency algebras of Johnson schemes. If the algebra is semisimple, the structure is the same as that of the well-known Bose-Mesner algebras. We determine the structure of the algebra when it is not semisimple.

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Physical Sciences and Engineering Mathematics Discrete Mathematics and Combinatorics
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On structures of modular adjacency algebras of Johnson schemes
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