theorem cycle_period_pos {tau_rho tau_T tau_cross1 tau_cross2 : ℝ}
(h1 : 0 < tau_rho) (h2 : 0 < tau_T)
(h3 : 0 < tau_cross1) (h4 : 0 < tau_cross2) :
0 < cyclePeriodEstimate tau_rho tau_T tau_cross1 tau_cross2 := by
simp only [cyclePeriodEstimate]; linarithResults 70-79: Endogenous Complementarity Evolution