✦ LIBER ✦

Bipartite Distance-Regular Graphs with an Eigenvalue of Multiplicity itk m

✍ Scribed by Norio Yamazaki

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 194 KB
Volume: 66
Category: Article
ISSN: 0095-8956
DOI: 10.1006/jctb.1996.0004

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✦ Synopsis

We show that, if a bipartite distance-regular graph of valency k has an eigenvalue of multiplicity k, then it becomes 2-homogeneous. Combined with a result on bipartite 2-homogeneous distance-regular graphs by K. Nomura, we have a classification of such graphs.