Zdeborová–Boettcher conjecture on max-cut and bisection width
Zdeborová–Boettcher conjecture on max-cut and bisection width
Let be a random regular graph, and let the max-cut be a partition of its vertex set maximizing the number of crossing edges. Let the bisection width be the minimum number of crossing edges over all bisections of . Zdeborová–Boettcher conjecture. In a random regular graph, the size of the max-cut is asymptotically equal to the number of edges minus the bisection width, asymptotically almost surely. This conjecture predicts a quantitative relation between the maximum cut and minimum bisection problems in random regular graphs. The supplied text gives no resolution status.
Sources & referencesView supporting material
Primary source
Endre Csóka, Panna Tímea Fekete, Zoltán Lóránt Nagy and Levente Szemerédi, “Bisection width, max-cut and internal partitions of 5-regular graphs”, arXiv:2509.08531 (2025).
Additional references
2 papers in this index state this conjecture (2018–2025). The statement above is taken from the most recent of them; the others are arXiv:1802.01619.
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