Documentation

LeanPool.ParameterFreeGradient.V7.Proofs.Stage2Resume.Positivity

Positive constants and endpoint estimates for geometric trial amortization.

theorem V7.Stage2Resume.epochScale_pos {Ma : ℝ} (hMa : 0 < Ma) (s : ℕ) :
0 < 2 ^ s * Ma

The R1 premise is the load-bearing source of positivity for every epoch scale.

theorem V7.Stage2Resume.epochRadius_pos {G Ma : ℝ} (hG : 0 < G) (hMa : 0 < Ma) (s j : ℕ) :
0 < 2 ^ j * G / (2 ^ s * Ma)
theorem V7.Stage2Resume.epochKappa_pos {eps G Ma : ℝ} (heps : 0 < eps) (hG : 0 < G) (hMa : 0 < Ma) (s j : ℕ) :
0 < 2 ^ s * Ma * (2 ^ j * G / (2 ^ s * Ma)) / eps
theorem V7.Stage2Resume.acceptedRadius_pos {G Ma Da : ℝ} (hG : 0 < G) (hMa : 0 < Ma) (hDa : Da = G / Ma) :
0 < Da

The constant bounding the sum of costs along the realized geometric controller path.

Equations
Instances For
    theorem V7.Stage2Resume.endpointCoefficient_le_constant {a : ℝ} (ha : 0 < a) (hale : a ≤ 1) :
    (2 ^ a / (1 - 2 ^ (-a))) ^ 2 ≤ amortizationConstant a