On Distance-Regular Graphs with Height Two, II |
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Authors: | Masato Tomiyama |
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Institution: | (1) Division of Mathematical Science, Osaka Kyoiku University, Asahigaoka 4-698-1, Kashiwara, Osaka, 582, Japan |
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Abstract: | Let be a distance-regular graph with diameter
and height
, where
. Suppose that for every in and every in
, the induced subgraph on
is isomorphic to a complete multipartite graph
with
. Then
and is isomorphic to the Johnson graph
. |
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Keywords: | distance-regular graph height Johnson graph complete multipartite graph |
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