Paired maximal-divisor middle-game assembly #
This module lifts the paired maximal-order escape from a chosen coordinate to the maximum of the three coordinate rotation orders.
theorem
BGS.Markoff.exists_sameNormalizedComponent_maximalOrder_increase_of_pairedMaximalDivisorBounds
(p : ℕ)
[Fact (Nat.Prime p)]
[Invertible 3]
(hpTwo : p ≠ 2)
{delta : ℝ}
(hdelta : delta ≤ 1 / 2)
(x : NormalizedMarkoffSurface (ZMod p))
(hbelow : ↑(maximalCoordinateRotationOrder ↑x) < ↑p ^ (1 / 2 + delta))
(hcube :
(6 * (middleGameMaximalOrders p (maximalCoordinateRotationOrder ↑x)).card) ^ 3 < maximalCoordinateRotationOrder ↑x)
(hlinear :
24 * (middleGameMaximalOrders p (maximalCoordinateRotationOrder ↑x)).card * maximalCoordinateRotationOrder ↑x < p)
:
∃ (y : NormalizedMarkoffSurface (ZMod p)),
SameNormalizedComponent x y ∧ maximalCoordinateRotationOrder ↑x < maximalCoordinateRotationOrder ↑y
One paired middle-game step strictly increases the maximum coordinate order under the coefficient-sensitive maximal-divisor inequalities.