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A class of amply regular graphs related to the subconstituents of a dual polar graph |
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| Authors: | Feng-Gao Li |
| Institution: | a Department of Mathematics, Hunan Institute of Science and Technology, Yueyang, Hunan 414006, PR China b Department of Mathematics, Hebei Normal University, Shijiazhuang, Hebei 050016, PR China. |
| Abstract: | The connected components of the induced graphs on each subconstituent of the dual polar graph of the odd dimensional orthogonal spaces over a finite field are shown to be amply regular. The connected components of the graphs on the second and third subconstituents are shown to be distance-regular by elementary methods. |
| Keywords: | Dual polar graph Subconstituent Amply regular graph Distance-regular graph |
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