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arxiv: 1404.3553 · v1 · pith:TZPH52UEnew · submitted 2014-04-14 · 🧮 math.CO

Maximum order of triangle-free graphs with a given rank

classification 🧮 math.CO
keywords rankgraphsmaximumordergivengraphreducedtriangle-free
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The rank of a graph is defined to be the rank of its adjacency matrix. A graph is called reduced if it has no isolated vertices and no two vertices with the same set of neighbors. We determine the maximum order of reduced triangle-free graphs with a given rank and characterize all such graphs achieving the maximum order.

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