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VI-02 seven reduced radial functions

Definition
Atlas_EinsteinMaxwell_ES5_Generic_Reduced

by He Wang · Oct 28, 2026 · Mathlib 0df444a (Lean v4.33.1)

einstein-maxwellexact-spacetime-atlas-viexact-vacuum-atlasfive-dimensional-gravitygeneral-relativity

VI-02 seven reduced radial functions

redE_tt, redE_tσ, redE_rr, redE_uu, redE_σσ (frame components of the Einstein–Maxwell residual) and redJ_t, redJ_σ (frame components of the Maxwell current), explicit in the radial jets; meaning fixed by the proved reconstruction lemmas.

中文摘要 VI-02 七个约化径向函数(五个 Einstein + 两个 Maxwell)。

Registry: PHYSICS_BOUNDARY §O (VI-02) O8.

Definition code
-- Generated by scripts/release06/gen_platform_tree.py (RELEASE06; copy of release05, header only) by skeleton subtraction from Atlas/EinsteinMaxwell/ES5/Generic/Reduced.lean
-- definition bundle: kept ExactVacuumAtlas.EinsteinMaxwell.ES5.Generic.redE_rr, ExactVacuumAtlas.EinsteinMaxwell.ES5.Generic.redE_tt, ExactVacuumAtlas.EinsteinMaxwell.ES5.Generic.redE_tσ, ExactVacuumAtlas.EinsteinMaxwell.ES5.Generic.redE_uu, ExactVacuumAtlas.EinsteinMaxwell.ES5.Generic.redE_σσ, ExactVacuumAtlas.EinsteinMaxwell.ES5.Generic.redJ_t, ExactVacuumAtlas.EinsteinMaxwell.ES5.Generic.redJ_σ
import Mathlib
import Definitions.Def_Atlas_Core_Basic
import Definitions.Def_Atlas_Core_Certificate
import Definitions.Def_Atlas_EinsteinMaxwell_Basic
import Definitions.Def_Atlas_EinsteinMaxwell_D_Basic
import Definitions.Def_Atlas_EinsteinMaxwell_ES5_Defs
import Definitions.Def_Atlas_EinsteinMaxwell_ES5_Generic_Data
import Definitions.Def_Atlas_EinsteinMaxwell_ES5_Generic_Tables
set_option maxHeartbeats 8000000
set_option maxRecDepth 100000
set_option linter.unusedVariables false
set_option linter.unusedSimpArgs false
set_option linter.unusedTactic false
set_option linter.unreachableTactic false

/-! Generated by `scripts/vi02_02/es5generic.py`. Reduced (frame, `u`-free) residuals of the generic ansatz and the completeness theorems: the full 5D system `einsteinMaxwellD = 0`, `maxwellDiv = 0`, `faradayCyclic = 0` of the candidate's own fields is equivalent, at every point, to seven radial equations. -/

open scoped ContDiff
open ExactVacuumAtlas ExactVacuumAtlas.EinsteinMaxwell ExactVacuumAtlas.EinsteinMaxwell.D
open ExactVacuumAtlas.EinsteinMaxwell.ES5

namespace ExactVacuumAtlas.EinsteinMaxwell.ES5.Generic

variable {R : Set ℝ} {B D A H W Φ Ψ : ℝ → ℝ}

/-- Reduced Einstein–Maxwell residual `E^t_t` (frame components, `u`-free). -/
noncomputable def redE_tt (B D A H W Φ Ψ : ℝ → ℝ) (r : ℝ) : ℝ :=
  ((-16:ℝ) * B r * D r ^ 2 * A r * H r ^ 2 + (4:ℝ) * B r * D r ^ 2 * H r ^ 3 + (16:ℝ) * B r * D r ^ 2 * H r ^ 2 * Ψ r ^ 2 + (2:ℝ) * B r * D r * A r ^ 2 * H r * deriv (deriv H) r + (4:ℝ) * B r * D r * A r ^ 2 * H r * deriv Ψ r ^ 2 + (-1:ℝ) * B r * D r * A r ^ 2 * deriv H r ^ 2 + (2:ℝ) * B r * D r * A r * deriv A r * H r * deriv H r + (4:ℝ) * B r * D r * A r * deriv (deriv A) r * H r ^ 2 + (-1:ℝ) * B r * D r * deriv A r ^ 2 * H r ^ 2 + (-1:ℝ) * B r * deriv D r * A r ^ 2 * H r * deriv H r + (-2:ℝ) * B r * deriv D r * A r * deriv A r * H r ^ 2 + (1:ℝ) * D r * A r ^ 2 * H r ^ 3 * deriv W r ^ 2 + (4:ℝ) * D r * A r ^ 2 * H r ^ 2 * W r ^ 2 * deriv Ψ r ^ 2 + (8:ℝ) * D r * A r ^ 2 * H r ^ 2 * W r * deriv Φ r * deriv Ψ r + (4:ℝ) * D r * A r ^ 2 * H r ^ 2 * deriv Φ r ^ 2) / ((4:ℝ) * B r * D r ^ 2 * A r ^ 2 * H r ^ 2)
/-- Reduced Einstein–Maxwell residual `E^t_σ` (frame components, `u`-free). -/
noncomputable def redE_tσ (B D A H W Φ Ψ : ℝ → ℝ) (r : ℝ) : ℝ :=
  ((-2:ℝ) * B r * D r * A r * H r * deriv (deriv W) r + (-3:ℝ) * B r * D r * A r * deriv H r * deriv W r + (8:ℝ) * B r * D r * A r * W r * deriv Ψ r ^ 2 + (8:ℝ) * B r * D r * A r * deriv Φ r * deriv Ψ r + (-2:ℝ) * B r * D r * deriv A r * H r * deriv W r + (1:ℝ) * B r * deriv D r * A r * H r * deriv W r + (1:ℝ) * deriv B r * D r * A r * H r * deriv W r) / ((4:ℝ) * B r ^ 2 * D r ^ 2 * A r)
/-- Reduced Einstein–Maxwell residual `E^r_r` (frame components, `u`-free). -/
noncomputable def redE_rr (B D A H W Φ Ψ : ℝ → ℝ) (r : ℝ) : ℝ :=
  ((-16:ℝ) * B r * D r * A r * H r + (4:ℝ) * B r * D r * H r ^ 2 + (16:ℝ) * B r * D r * H r * Ψ r ^ 2 + (-4:ℝ) * B r * A r ^ 2 * deriv Ψ r ^ 2 + (2:ℝ) * B r * A r * deriv A r * deriv H r + (1:ℝ) * B r * deriv A r ^ 2 * H r + (1:ℝ) * deriv B r * A r ^ 2 * deriv H r + (2:ℝ) * deriv B r * A r * deriv A r * H r + (1:ℝ) * A r ^ 2 * H r ^ 2 * deriv W r ^ 2 + (4:ℝ) * A r ^ 2 * H r * W r ^ 2 * deriv Ψ r ^ 2 + (8:ℝ) * A r ^ 2 * H r * W r * deriv Φ r * deriv Ψ r + (4:ℝ) * A r ^ 2 * H r * deriv Φ r ^ 2) / ((4:ℝ) * B r * D r * A r ^ 2 * H r)
/-- Reduced Einstein–Maxwell residual `E^u_u` (frame components, `u`-free). -/
noncomputable def redE_uu (B D A H W Φ Ψ : ℝ → ℝ) (r : ℝ) : ℝ :=
  ((-4:ℝ) * B r ^ 2 * D r ^ 2 * H r ^ 3 + (-16:ℝ) * B r ^ 2 * D r ^ 2 * H r ^ 2 * Ψ r ^ 2 + (2:ℝ) * B r ^ 2 * D r * A r ^ 2 * H r * deriv (deriv H) r + (4:ℝ) * B r ^ 2 * D r * A r ^ 2 * H r * deriv Ψ r ^ 2 + (-1:ℝ) * B r ^ 2 * D r * A r ^ 2 * deriv H r ^ 2 + (1:ℝ) * B r ^ 2 * D r * A r * deriv A r * H r * deriv H r + (2:ℝ) * B r ^ 2 * D r * A r * deriv (deriv A) r * H r ^ 2 + (-1:ℝ) * B r ^ 2 * D r * deriv A r ^ 2 * H r ^ 2 + (-1:ℝ) * B r ^ 2 * deriv D r * A r ^ 2 * H r * deriv H r + (-1:ℝ) * B r ^ 2 * deriv D r * A r * deriv A r * H r ^ 2 + (1:ℝ) * B r * deriv B r * D r * A r ^ 2 * H r * deriv H r + (1:ℝ) * B r * deriv B r * D r * A r * deriv A r * H r ^ 2 + (-1:ℝ) * B r * deriv B r * deriv D r * A r ^ 2 * H r ^ 2 + (2:ℝ) * B r * deriv (deriv B) r * D r * A r ^ 2 * H r ^ 2 + (-1:ℝ) * B r * D r * A r ^ 2 * H r ^ 3 * deriv W r ^ 2 + (-4:ℝ) * B r * D r * A r ^ 2 * H r ^ 2 * W r ^ 2 * deriv Ψ r ^ 2 + (-8:ℝ) * B r * D r * A r ^ 2 * H r ^ 2 * W r * deriv Φ r * deriv Ψ r + (-4:ℝ) * B r * D r * A r ^ 2 * H r ^ 2 * deriv Φ r ^ 2 + (-1:ℝ) * deriv B r ^ 2 * D r * A r ^ 2 * H r ^ 2) / ((4:ℝ) * B r ^ 2 * D r ^ 2 * A r ^ 2 * H r ^ 2)
/-- Reduced Einstein–Maxwell residual `E^σ_σ` (frame components, `u`-free). -/
noncomputable def redE_σσ (B D A H W Φ Ψ : ℝ → ℝ) (r : ℝ) : ℝ :=
  ((-16:ℝ) * B r ^ 2 * D r ^ 2 * A r * H r + (12:ℝ) * B r ^ 2 * D r ^ 2 * H r ^ 2 + (16:ℝ) * B r ^ 2 * D r ^ 2 * H r * Ψ r ^ 2 + (-4:ℝ) * B r ^ 2 * D r * A r ^ 2 * deriv Ψ r ^ 2 + (4:ℝ) * B r ^ 2 * D r * A r * deriv (deriv A) r * H r + (-1:ℝ) * B r ^ 2 * D r * deriv A r ^ 2 * H r + (-2:ℝ) * B r ^ 2 * deriv D r * A r * deriv A r * H r + (2:ℝ) * B r * deriv B r * D r * A r * deriv A r * H r + (-1:ℝ) * B r * deriv B r * deriv D r * A r ^ 2 * H r + (2:ℝ) * B r * deriv (deriv B) r * D r * A r ^ 2 * H r + (-3:ℝ) * B r * D r * A r ^ 2 * H r ^ 2 * deriv W r ^ 2 + (-4:ℝ) * B r * D r * A r ^ 2 * H r * W r ^ 2 * deriv Ψ r ^ 2 + (-8:ℝ) * B r * D r * A r ^ 2 * H r * W r * deriv Φ r * deriv Ψ r + (-4:ℝ) * B r * D r * A r ^ 2 * H r * deriv Φ r ^ 2 + (-1:ℝ) * deriv B r ^ 2 * D r * A r ^ 2 * H r) / ((4:ℝ) * B r ^ 2 * D r ^ 2 * A r ^ 2 * H r)
/-- Reduced Maxwell residual `θ^t(J)`, `J^b = maxwellDiv … b`. -/
noncomputable def redJ_t (B D A H W Φ Ψ : ℝ → ℝ) (r : ℝ) : ℝ :=
  ((-2:ℝ) * B r * D r * A r * H r * W r * deriv (deriv Ψ) r + (-2:ℝ) * B r * D r * A r * H r * deriv W r * deriv Ψ r + (-2:ℝ) * B r * D r * A r * H r * deriv (deriv Φ) r + (-1:ℝ) * B r * D r * A r * deriv H r * W r * deriv Ψ r + (-1:ℝ) * B r * D r * A r * deriv H r * deriv Φ r + (-2:ℝ) * B r * D r * deriv A r * H r * W r * deriv Ψ r + (-2:ℝ) * B r * D r * deriv A r * H r * deriv Φ r + (1:ℝ) * B r * deriv D r * A r * H r * W r * deriv Ψ r + (1:ℝ) * B r * deriv D r * A r * H r * deriv Φ r + (1:ℝ) * deriv B r * D r * A r * H r * W r * deriv Ψ r + (1:ℝ) * deriv B r * D r * A r * H r * deriv Φ r) / ((2:ℝ) * B r ^ 2 * D r ^ 2 * A r * H r)
/-- Reduced Maxwell residual `θ^σ(J)`, `J^b = maxwellDiv … b`. -/
noncomputable def redJ_σ (B D A H W Φ Ψ : ℝ → ℝ) (r : ℝ) : ℝ :=
  ((-8:ℝ) * B r * D r ^ 2 * H r ^ 2 * Ψ r + (2:ℝ) * B r * D r * A r ^ 2 * H r * deriv (deriv Ψ) r + (-1:ℝ) * B r * D r * A r ^ 2 * deriv H r * deriv Ψ r + (2:ℝ) * B r * D r * A r * deriv A r * H r * deriv Ψ r + (-1:ℝ) * B r * deriv D r * A r ^ 2 * H r * deriv Ψ r + (1:ℝ) * deriv B r * D r * A r ^ 2 * H r * deriv Ψ r + (-2:ℝ) * D r * A r ^ 2 * H r ^ 2 * W r * deriv W r * deriv Ψ r + (-2:ℝ) * D r * A r ^ 2 * H r ^ 2 * deriv W r * deriv Φ r) / ((2:ℝ) * B r * D r ^ 2 * A r ^ 2 * H r ^ 2)

end ExactVacuumAtlas.EinsteinMaxwell.ES5.Generic
Source
He Wang, Exact Spacetime Atlas VI: Five-Dimensional Einstein–Maxwell Certificates and Equal-Spin Radial Reduction. Local source, no public repository; commit 4a4048a; Atlas/EinsteinMaxwell/ES5/Generic/Reduced.lean; SHA-256 9b826fa37b3eb742414809da83be125f760708c6b7efb905716682ad3dda2820. Registered definitions: mission/PHYSICS_BOUNDARY.md (§N–§O); literature: R. C. Myers, M. J. Perry, Ann. Phys. 172 (1986) 304; F. R. Tangherlini, Nuovo Cimento 27 (1963) 636.
Human review
  • Endorsed by Shuze Chen · Oct 29, 2026

    Confirmed by the moderator at approval.

  • Endorsed by He Wang · Oct 29, 2026

    Confirmed by the mission captain (proposal self-audit).

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