For an allowed pattern over a finite field `k`, there are finitely many divisors with pattern `P`, and their number is `tangentCount s P` evaluated at `#k`.
ProvedTypeDensity.pattern_divisor_counttype-density
For an allowed pattern over a finite field k, there are finitely many divisors with pattern P, and their number is tangentCount s P evaluated at #k.
Preamble
import Definitions.Def_TypeDensity_Basic import Definitions.Def_TypeDensity_Blowup_Directions import Definitions.Def_TypeDensity_Measure_AdicCylinders import Definitions.Def_TypeDensity_Formula_LawAlgebra import Definitions.Def_TypeDensity_Measure_HenselProducts import Definitions.Def_TypeDensity_Surfaces_Lengths import Definitions.Def_TypeDensity_Surfaces_PowerSeries import Definitions.Def_TypeDensity_Formula_FiniteFieldCounts import Definitions.Def_TypeDensity_Formula_StateCombinatorics import Definitions.Def_TypeDensity_Formula_PatternCounts import Theorems.Thm_TypeDensity_expression_prod_eval import Theorems.Thm_TypeDensity_patternDivisors_equiv_colorings import Theorems.Thm_TypeDensity_colored_subset_count import Mathlib.FieldTheory.RatFunc.Basic import Mathlib.MeasureTheory.Measure.Haar.Unique import Mathlib.NumberTheory.ArithmeticFunction.Moebius import Mathlib.NumberTheory.Padics.PadicIntegers import Mathlib.RingTheory.IntegralClosure.IntegralRestrict import Mathlib.RingTheory.MvPowerSeries.Basic import Mathlib.RingTheory.RamificationInertia.Basic import Mathlib.Topology.Algebra.Nonarchimedean.AdicTopology import Mathlib.Topology.Algebra.MvPolynomial import Mathlib.FieldTheory.Finite.GaloisField import Mathlib.RingTheory.AdicCompletion.Algebra import Mathlib.RingTheory.RegularLocalRing.Defs import Mathlib.Algebra.Group.Pi.Units import Mathlib.Order.CompletePartialOrder import Mathlib.RingTheory.Henselian import Mathlib.RingTheory.Polynomial.Resultant.Basic import Mathlib.RingTheory.SimpleRing.Principal import Mathlib.FieldTheory.Finite.Extension import Mathlib.RingTheory.AdicCompletion.Noetherian import Mathlib.RingTheory.MvPowerSeries.Equiv import Mathlib.RingTheory.PicardGroup set_option autoImplicit false open TypeDensity open scoped BigOperators ENNReal
Formal statement
theorem TypeDensity.pattern_divisor_count (k : Type) [Field k] [Finite k] (s : State)
(P : TangentPattern s.degree) (hP : Allowed s P) :
Finite (patternDivisors k s P) ∧
((Nat.card (patternDivisors k s P) : ℕ) : ℚ) = (tangentCount s P).eval (Nat.card k) := by sorrySource
TypeDensity/Formula/PatternCounts.lean#L528-L552