OAI/GroupTheory/PolycyclicRecognition/Algebra/TemplateSymmetries.lean
3 declarations, 0 contain sorry, 0 declared as axioms
The finite template-preserving group from the manuscript
Preserving the support exponent of every compact convex template is stronger than preserving only its values on segments. This file keeps those groups distinct and proves the required inclusion and finiteness.
- def
OAI.PolycyclicRecognition.templateSymmetryGroupline 23Source documentation
The group in equation (support-symmetry-group) of
boxes.tex.def templateSymmetryGroup (D : SupportDatum W I B) : Subgroup (W ≃ₗ[ℝ] W) where …
Mentions: OAI.PolycyclicRecognition.SupportDatum
- theorem
OAI.PolycyclicRecognition.templateSymmetry_mem_linearSupportSymmetryline 44Source documentation
Every template symmetry is an isometry of the segment norm.
theorem templateSymmetry_mem_linearSupportSymmetry (D : SupportDatum W I B) (A : templateSymmetryGroup D) : A.val ∈ linearSupportSymmetryGroup D := by …Mentions: OAI.PolycyclicRecognition.SupportDatum, OAI.PolycyclicRecognition.templateSymmetryGroup, OAI.PolycyclicRecognition.linearSupportSymmetryGroup
- instance
OAI.PolycyclicRecognition.finite_templateSymmetryGroupline 61