English

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

Combinatorics 2007-05-23 v1 Rings and Algebras

Abstract

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

Keywords

Cite

@article{arxiv.math/0604351,
  title  = {The subconstituent algebra of a bipartite distance-regular graph; thin modules with endpoint two},
  author = {Mark MacLean and Paul Terwilliger},
  journal= {arXiv preprint arXiv:math/0604351},
  year   = {2007}
}

Comments

31 pages

R2 v1 2026-07-22T17:34:33.295Z