theorem large_gap_implies_separation {rSlow rFast γ : ℝ}
(hSlow : 0 < rSlow) (hFast : 0 < rFast) (_hγ : 0 < γ)
(hgap : γ < spectralGapRatio rSlow rFast) :
γ < timescaleFromRate rSlow / timescaleFromRate rFast := by
rwa [timescale_ratio_eq_rate_ratio hSlow hFast]Endogenous Hierarchy: Why N Levels?