Sparse random graph vertex-minor universality conjecture

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Let p=ω(1/n)p=\omega(1/\sqrt n) with p≤1/2p\leq 1/2, and let GG be sampled from either G(n,p)\mathbb{G}(n,p) or G(n,1−p)\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.

References

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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