OAI/GroupTheory/PolycyclicRecognition/Geometry/CartanAlternatingSchemes.lean
2 declarations, 0 contain sorry, 0 declared as axioms
Selecting the alternating scheme from the actual Cartan boxes
The full limiting multiplication map is selected before any restriction to good profiles or any choice of separated target tuples.
- theorem
OAI.PolycyclicRecognition.CartanWordModel.exists_alternating_box_schemeline 35Source documentation
The actual two boxes have a common subsequence and a full alternating submersion. Only their intrinsic exponential representation and Haar chart are taken from published inputs.
theorem exists_alternating_box_scheme (hExp : IsGroupExponential Exp) (realize : ExponentialLinearRealizationInput (EG := EG) (G := G)) …Mentions: OAI.PolycyclicRecognition.ExponentialLinearRealizationInput
- theorem
OAI.PolycyclicRecognition.alternating_submersion_length_posline 101Source documentation
A submersion to positive-dimensional coordinates has at least one block.
theorem alternating_submersion_length_pos {n h c : ℕ} (hn : 0 < n) (a : DynkinCoefficients c 2) (p : AlternatingLawData n) (z : Fin h → (Fin n → ℝ) × (Fin n → ℝ)) (hs : Function.Surjective (fderiv ℝ (alternatingCoordinateProduct a p.1 p.2.1 p.2.2) z)) : 0 < h := by …Mentions: OAI.PolycyclicRecognition.DynkinCoefficients, OAI.PolycyclicRecognition.AlternatingLawData, OAI.PolycyclicRecognition.alternatingCoordinateProduct