2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/111584We 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 pagesCombinatoricsRings and Algebras05E30text