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Questions tagged [graph-theory]

Questions about the branch of combinatorics called graph theory (not to be used for questions concerning the graph of a function). This tag can be further specialized via using it in combination with more specialized tags such as extremal-graph-theory, spectral-graph-theory, algebraic-graph-theory, topological-graph-theory, random-graphs, graph-colorings and several others.

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Graph topology of random and ordered sphere packing

Context: Sphere packing problems are often formulated in terms of optimization problems, where for a given dimensionality, one is interested in finding out the densest possible packing of the spheres ...
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Faithful Orthogonality Dimension of Kneser Graphs

Let us consider the complement of the Kneser graph with parameters $n$ and $n/4$. The vertex set of our graph $K$ is the set $\binom{[n]}{n/4}$ of $n/4$-subsets of $[n]$, and two vertices are joined ...

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