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Trudy Instituta Matematiki i Mekhaniki UrO RAN, 2009, Volume 15, Number 2, Pages 143–161
(Mi timm231)
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This article is cited in 2 scientific papers (total in 3 papers)
Graphs in which neighborhoods of vertices are isomorphic to the Hoffman–Singleton graph
A. A. Makhnev Institute of Mathematics and Mechanics, Ural Branch of the Russian Academy of Sciences
Abstract:
Connected graphs are studied in which neighborhoods of vertices are isomorphic to the Hoffman—Singleton
graph (i.e., the strongly regular graph with parameters (50,7,0,1)). It is proved that a distance-regular graph in
which neighborhoods of vertices are isomorphic to the Hoffman—Singleton graph has $\mu=2$.
Keywords:
Hoffman-–Singleton graph, distance-regular graph, locally $\mathcal F$-graph.
Received: 24.11.2008
Citation:
A. A. Makhnev, “Graphs in which neighborhoods of vertices are isomorphic to the Hoffman–Singleton graph”, Trudy Inst. Mat. i Mekh. UrO RAN, 15, no. 2, 2009, 143–161; Proc. Steklov Inst. Math. (Suppl.), 267, suppl. 1 (2009), S128–S148
Linking options:
https://www.mathnet.ru/eng/timm231 https://www.mathnet.ru/eng/timm/v15/i2/p143
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