Sparse random graph vertex-minor universality conjecture

Let p=ω(1/n)p=\omega(1/\sqrt n) with p1/2p\leq 1/2, and let GG be sampled from either G(n,p)\mathbb{G}(n,p) or G(n,1p)\mathbb{G}(n,1-p). A graph is kk-vertex-minor universal if every graph on any specified set of kk vertices can be obtained as a vertex-minor. Sparse random graph universality conjecture. With high probability, GG is kk-vertex-minor universal for some k=Ω(pn)k=\Omega(p\sqrt n). The conjecture extends the paper's random-graph universality methods beyond p=1/2p=1/2. The stated range is open because the required argument must address correlations in the random walk arising when previously unrevealed edges are flipped.

Sources & referencesView supporting material

Primary source

Ruben Ascoli, Bryce Frederickson, Sarah Frederickson, Caleb McFarland and Logan Post, “Almost all graphs are vertex-minor universal”, arXiv:2602.09049 (2026).

Additional references

3 papers in this index state this conjecture (2006–2026). The statement above is taken from the most recent of them; the others are arXiv:0911.3969, arXiv:math/0608131.

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