The subconstituent algebra of a bipartite distance-regular graph; thin modules with endpoint two

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We consider a bipartite distance-regular graph $G$ with diameter at least 4 and valency at least 3. Fix a vertex of $G$ and let $T$ denote the corresponding subconstituent algebra. We give a detailed description of a certain type of irreducible $T$-module, said to be thin with endpoint 2.
31 pages

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Combinatorics, Rings and Algebras, 05E30

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http://salesiana.dossiersoluciones.com/handle/123456789/111584

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0604351
 http://arxiv.org/abs/math/0604351

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arXiv