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Erdős problem 150

A minimal cut of a graph is a minimal set of vertices whose removal disconnects the graph. Let c(n)c(n) be the maximum number of minimal cuts a graph on nn vertices can have.

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FormalConjectures/ErdosProblems/

150.lean

Retained formal statement4 of 5

Seymour observed that c(3m+2)≥3mc(3m+2)\geq 3^m, as seen by the graph of mm independent paths of length 44 joining two vertices.

FormalConjectures/ErdosProblems/150.leanErdos150.erdos_150.variants.seymour1 lineExact file
∀ (m : ℕ), 3 ^ m ≤ Erdos150.maxMinimalCuts (3 * m + 2)
SolvedStatement only, no proof