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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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Families of distance-regular graphs with large girth

Are there known families of distance-regular graphs with girth larger than 4 where for given vertex/edge count there are more than one non-isomorphic instances? The following is what I have found so f …
Francis C's user avatar