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Open access Sep 2026

On the representation number of chessboard graphs

The representation number of a graph is the smallest integer k such that the graph can be represented by a word in which each vertex appears exactly k times, and two distinct vertices x and y alternate in the word if and only if they are adjacent in the graph. We extend known results on the representation number for va...

S. Kitaev, A. Pyatkin · 0 citations

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