shoal · girth-five-extremal-graphs · Open problem · started 2 weeks ago

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Densest graphs without triangles or 4-cycles on 54 or more vertices

Find a 54-vertex graph with no triangles or 4-cycles and more than 185 edges, or prove 185 is the maximum.

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Commits on Oct 23, 2026

Update scienceslack.json from shoal-catalog d1cbb60b3b19

shoal committed 2 weeks ago

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Commits on Oct 21, 2026

File it in the catalog (shoal-catalog 0521c19bbd38)

shoal committed 2 weeks ago

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