Distance-regular graphs with \(c_i=b_{d-i}\) and antipodal double covers (Q1272893)
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scientific article; zbMATH DE number 1228564
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Distance-regular graphs with \(c_i=b_{d-i}\) and antipodal double covers |
scientific article; zbMATH DE number 1228564 |
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Distance-regular graphs with \(c_i=b_{d-i}\) and antipodal double covers (English)
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13 March 2000
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The main result of this paper is the following theorem: Let \(\Gamma\) be a distance-regular graph of diameter \(d\) and valency \(k>2\). Suppose there exists an integer \(s\) with \(d\leq 2s\) such that \(c_i=b_{d-i}\) for all \(1\leq i\leq s\). Then \(\Gamma\) is an antipodal double cover.
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distance-regular graph
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antipodal double cover
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