Geodesic
Automorphisms of distance-regular graph with intersection array $\{144,125,32,1;1,8,125,144\}$
Sibirskie èlektronnye matematičeskie izvestiâ, Tome 14 (2017), pp. 178-189

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Distance-regular graph with intersection array $\{204,175,48,1;1,12,175,204\}$ is $AT4(4,6,5)$-graph. Antipodal quotient $\bar \Gamma$ is strongly regular with parameters $(800,204,28,60)$ and nonprincipal eigenvalues $4,-36$. Constituents of $\bar \Gamma$ are strongly regular with parameters $(204,28,2,4)$ and $(595,144,18,40)$, the second neighborhhood of vertex in $\Gamma$ is distance-regular graph with intersection array $\{144,125,32,1;1,8,125,144\}$. In this paper automorphisms of strongly regalar graphs with parameters $(204,28,2,4)$, $(595,144,18,40)$ and distance-regular graph with intersection array $\{144,125,32,1;1,8,125,144\}$ are investigated.
Keywords: distance-regular graph
Mots-clés : automorphism. 
@article{SEMR_2017_14_a6,
     author = {M. S. Nirova},
     title = {Automorphisms of distance-regular graph with intersection array $\{144,125,32,1;1,8,125,144\}$},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {178--189},
     publisher = {mathdoc},
     volume = {14},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2017_14_a6/}
}
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M. S. Nirova. Automorphisms of distance-regular graph with intersection array $\{144,125,32,1;1,8,125,144\}$. Sibirskie èlektronnye matematičeskie izvestiâ, Tome 14 (2017), pp. 178-189. http://geodesic.mathdoc.fr/item/SEMR_2017_14_a6/