OAI/Analysis/AffineBernstein/NoZeroTransverse.lean
4 declarations, 0 contain sorry, 0 declared as axioms
- lemma
OAI.AffineBernstein.IsModelShape.zero_transverse_memline 17 - lemma
OAI.AffineBernstein.IsModelShape.zero_transverse_orthantline 26 - theorem
OAI.AffineBernstein.complete_affineMaximal_no_orthant_familyline 57Source documentation
A pure orthant cannot lie in the actual full affine local-limit family.
theorem complete_affineMaximal_no_orthant_family {n : ℕ} (hn : 0 < n) {Ω : Set (Space n)} (hΩ : IsOpen Ω) (hne : Ω.Nonempty) (hcv : Convex ℝ Ω) {u : Space n → ℝ} (hu : ContDiffOn ℝ ∞ u Ω) (hp : ∀ x ∈ Ω, (hessian u x).PosDef) (hm : AffineMaximalOn Ω u) (hc : EuclideanGraphComplete Ω u) : ¬ InAffineLimitFamily (sourceEpigraph Ω u) (ambientOrthant n) := by …Mentions: OAI.AffineBernstein.Space, OAI.AffineBernstein.hessian, OAI.AffineBernstein.AffineMaximalOn, OAI.AffineBernstein.EuclideanGraphComplete, OAI.AffineBernstein.InAffineLimitFamily, OAI.AffineBernstein.sourceEpigraph, OAI.AffineBernstein.ambientOrthant
- theorem
OAI.AffineBernstein.complete_affineMaximal_model_transverse_posline 75Source documentation
The transverse dimension of every actual model is positive; this is the nontrivial m=0 part of the manuscript, using the original PDE cap lower mass.
theorem complete_affineMaximal_model_transverse_pos {n k m : ℕ} (hn : 0 < n) {Ω : Set (Space n)} (hΩ : IsOpen Ω) (hne : Ω.Nonempty) (hcv : Convex ℝ Ω) {u : Space n → ℝ} (hu : ContDiffOn ℝ ∞ u Ω) (hp : ∀ x ∈ Ω, (hessian u x).PosDef) (hm : AffineMaximalOn Ω u) (hc : EuclideanGraphComplete Ω u) {C : Set (Space k × Space m)} (hC : IsModelShape C) (hf : InAffineLimitFamily (sourceEpigraph Ω u) C) : 1 ≤ m := by …Mentions: OAI.AffineBernstein.Space, OAI.AffineBernstein.hessian, OAI.AffineBernstein.AffineMaximalOn, OAI.AffineBernstein.EuclideanGraphComplete, OAI.AffineBernstein.IsModelShape, OAI.AffineBernstein.InAffineLimitFamily, OAI.AffineBernstein.sourceEpigraph