Laplacian integral graphs with maximum degree 3 (Q1010855)
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scientific article; zbMATH DE number 5541025
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Laplacian integral graphs with maximum degree 3 |
scientific article; zbMATH DE number 5541025 |
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Laplacian integral graphs with maximum degree 3 (English)
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7 April 2009
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Summary: A graph is said to be Laplacian integral if the spectrum of its Laplacian matrix consists entirely of integers. Using combinatorial and matrix-theoretic techniques, we identify, up to isomorphism, the 21 connected Laplacian integral graphs of maximum degree 3 on at least 6 vertices.
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Laplacian integral graphs
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maximum degree 3
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at least 6 vertices
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