OAI/Geometry/Convex/GeneralMahler/Theorem.lean
2 declarations, 0 contain sorry, 0 declared as axioms
- def
OAI.GeneralMahler.volumeProductline 12Source documentation
The volume product minimized over the interior centers of the body.
Also declared: ComparatorChallenges/GeneralMahler.lean:19 (same declaration text).
def volumeProduct {n : ℕ} (K : Set (EuclideanSpace ℝ (Fin n))) : ℝ := … - theorem
OAI.GeneralMahler.general_mahlerline 17Source documentation
The sharp general Mahler inequality, with equality exactly for simplices.
Distinct definitions of this name: ComparatorChallenges/GeneralMahler.lean:24 (same statement text; different proof or body). Qualify references as OAI.GeneralMahler.general_mahler@path.
theorem general_mahler {n : ℕ} (hn : 1 ≤ n) (K : Set (EuclideanSpace ℝ (Fin n))) (hcompact : IsCompact K) (hconvex : Convex ℝ K) (hinterior : (interior K).Nonempty) : ((n : ℝ) + 1) ^ (n + 1) / (Nat.factorial n : ℝ) ^ 2 ≤ volumeProduct K ∧ (volumeProduct K = ((n : ℝ) + 1) ^ (n + 1) / (Nat.factorial n : ℝ) ^ 2 ↔ ∃ vertices : Fin (n + 1) → EuclideanSpace ℝ (Fin n), AffineIndependent ℝ vertices ∧ K = convexHull ℝ (range vertices)) := by …Mentions: OAI.GeneralMahler.volumeProduct