OAI/GroupTheory/PolycyclicRecognition/Geometry/CartanProbeChainDilation.lean
3 declarations, 0 contain sorry, 0 declared as axioms
Exact translation of the normalized probe generator chains
- theorem
OAI.PolycyclicRecognition.CartanWordModel.probe_dilation_coordinate_normline 22Source documentation
The exact weight dilation preserves the coordinate bound when the reference template is translated by the pivot height.
theorem probe_dilation_coordinate_norm {E : Set W} (hE : IsCompact E) (hne : E.Nonempty) (w : W) (β : M.Bases) (r : ℝ) (v : cartanRootIdeal H) : ‖(M.boxBasis T hunimod eW ((fun x => x + w) '' E) β r).equivFun (cartanIdealWeightDilation T H (r • cartanHeightSection T H (eW.symm w)) v)‖ = ‖(M.boxBasis T hunimod eW E β r).equivFun v‖ := by …Mentions: OAI.PolycyclicRecognition.cartanRootIdeal, OAI.PolycyclicRecognition.cartanIdealWeightDilation, OAI.PolycyclicRecognition.cartanHeightSection
- theorem
OAI.PolycyclicRecognition.CartanWordModel.probe_dilation_coefficient_boundline 34Source documentation
The same dilation translates the generator amplitude exponent exactly.
theorem probe_dilation_coefficient_bound {E : Set W} (hE : IsCompact E) (hne : E.Nonempty) (w : W) (r t B : ℝ) (i : Fin M.letterCount) (ht : |t| ≤ B * Real.exp (r * (M.supportIn T hunimod eW).weightSupport E i)) : |t * Real.exp (r * M.weight i (cartanHeightSection T H (eW.symm w)))| ≤ B * Real.exp (r * (M.supportIn T hunimod eW).weightSupport ((fun x => x + w) '' E) i) := by … - theorem
OAI.PolycyclicRecognition.CartanWordModel.probe_dilation_generator_stepline 59Source documentation
Dilation carries each actual generator edge to the same letter with its explicitly rescaled coefficient.
theorem probe_dilation_generator_step (eN : cartanRootIdeal H ≃ₗ⁅ℝ⁆ GroupLieAlgebra (𝓘(ℝ, EN)) N) (ExpN : GroupLieAlgebra (𝓘(ℝ, EN)) N → N) (hExpN : IsGroupExponential ExpN) (hbij : Function.Bijective ExpN) (dynkin : NilpotentDynkinExpansionInput EN N) (h : H) (u v : cartanRootIdeal H) (i : Fin M.letterCount) (t : ℝ) (hedge : ExpN (eN v) = ExpN (eN u) * ExpN (eN (t • M.letter i))) : ExpN (eN (cartanIdealWeightDilation T H h v)) = ExpN (eN (cartanIdealWeightDilation T H h u)) * ExpN (eN ((t * Real.exp (M.weight i h)) • M.letter i)) := by …Mentions: OAI.PolycyclicRecognition.cartanRootIdeal, OAI.PolycyclicRecognition.NilpotentDynkinExpansionInput, OAI.PolycyclicRecognition.cartanIdealWeightDilation