OAI/Combinatorics/SphericalRamsey/MonochromaticObstruction.lean

GitHub source file

4 declarations, 0 contain sorry, 0 declared as axioms

  1. def OAI.GrahamSpherical.derivationEnergy line 12

    Source documentation

    The actual finite squared Euclidean energy of the entrywise derivation.

    def derivationEnergy {n : ℕ} (D : Derivation ℤ ℝ ℝ) (y : Point n) : ℝ :=
    …

    Mentions: OAI.GrahamSpherical.Point

  2. def OAI.GrahamSpherical.energyColor line 16

    Source documentation

    Native integer floor and Euclidean remainder, reindexed into Fin 50.

    def energyColor {n : ℕ} (e : Point n → ℝ) (y : Point n) : Fin 50 :=
    …

    Mentions: OAI.GrahamSpherical.Point

  3. theorem OAI.GrahamSpherical.energyColor_eq_implies_residue_eq line 22
  4. theorem OAI.GrahamSpherical.energyColor_avoids_of_invariant line 34

    Source documentation

    Every copy here is an actual isometry of the literal witness subtype. The energy identity is an explicit intermediate premise, discharged separately.

    theorem energyColor_avoids_of_invariant {n : ℕ} (e : Point n → ℝ)
        (hinvariant : ∀ (f : witness → Point n), Isometry f →
          ∑ i : Label, (weight i : ℝ) * e (f ⟨vertex i, ⟨i, rfl⟩⟩) = 8) :
        AvoidsCopy witness (energyColor e) := by
    …

    Mentions: OAI.GrahamSpherical.Point, OAI.GrahamSpherical.witness, OAI.GrahamSpherical.Label, OAI.GrahamSpherical.weight, OAI.GrahamSpherical.vertex, OAI.GrahamSpherical.AvoidsCopy, OAI.GrahamSpherical.energyColor