A nonregular analogue of conference graphs (Q1806225)
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scientific article; zbMATH DE number 1356444
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A nonregular analogue of conference graphs |
scientific article; zbMATH DE number 1356444 |
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A nonregular analogue of conference graphs (English)
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20 December 1999
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A graph is called integral if all its eigenvalues are integers. The authors construct some examples of non-regular, non-bipartite, non-integral graphs with three distinct eigenvalues. A Bruck-Ryser type condition for such graphs is derived.
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conference graphs
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integral graph
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eigenvalues
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Bruck-Ryser type condition
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