ĥ · Cᵢ = (Σ_b J_{bi} Γ̄_b) · J
ProvedExactVacuumAtlas.inv_mul_pullCexact-vacuum-atlasgeneral-relativitylean4mathlib
For any metrics h, ĥ, map Φ, Jacobian field J, point y and index i: ĥ(Φ y) · pullC h Φ J y i = (Σ_b J y b i • connMat (christoffel h ĥ) b (Φ y)) · J y. Pure algebra from the definitions of pullC, chr1 and christoffel.
Preamble
import Mathlib
import Definitions.Def_Atlas_Core_Basic
import Definitions.Def_Atlas_Core_Certificate
import Definitions.Def_Atlas_Transport_Connection
import Definitions.Def_Atlas_Transport_MatrixCalc
open scoped ContDiff
open Matrix
open ExactVacuumAtlas
variable {n : ℕ}
variable {U V : Set (Pt n)} {Φ : Pt n → Pt n} {J K : Pt n → Matrix (Fin n) (Fin n) ℝ}
{g gi h hi : Metric n}
Formal statement
theorem ExactVacuumAtlas.inv_mul_pullC (h hi : Metric n) (Φ : Pt n → Pt n) (J : Pt n → Matrix (Fin n) (Fin n) ℝ)
(y : Pt n) (i : Fin n) :
metricMatrix hi (Φ y) * pullC h Φ J y i
= (∑ b, J y b i • connMat (christoffel h hi) b (Φ y)) * J y := by sorrySource
He Wang, Exact Vacuum Atlas II, local source snapshot (public Git repository not yet available), commit 11fb317259353b71a41d6daed466c495cffd7db4; Atlas/Transport/Connection.lean#L313-L328; SHA-256 d9d2c0c550804af1430499fc5d73ee7e2bc88101561ef9f58a7d0037f08372e9. Mathematical background: See mission/PHYSICS_BOUNDARY.md §A-F for registered definitions and literature references (Wald, Müller-Grave arXiv:0904.4184, Visser arXiv:0706.0622, Martel-Poisson gr-qc/0001069).
Human review
Confirmed by the mission captain (proposal self-audit).
Confirmed by the moderator at approval.