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Theorems · Theorem · combinatorics

ruzsaSzemerediNumberNat_asymptotic_lower_bound

(fun n => ↑n ^ 2 * Real.exp (-4 * √(Real.log ↑n))) =O[Filter.atTop] fun n => ↑(ruzsaSzemerediNumberNat n)

Asymptotic lower bound on the Ruzsa-Szemerédi problem. There exists a graph with n vertices and Ω((n ^ 2 * exp (-4 * √(log n)))) edges such that each edge belongs to exactly one triangle.

Defined in
Mathlib.Combinatorics.Extremal.RuzsaSzemeredi
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Foundations
Depth 235 from the axioms · uses propext, Classical.choice, Quot.sound

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