Over a local ring, `𝔪 ^ N` annihilates every module of length `N`.
ProvedTypeDensity.maximal_ideal_power_killstype-density
Over a local ring, 𝔪 ^ N annihilates every module of length N.
Preamble
import Definitions.Def_TypeDensity_Basic import Definitions.Def_TypeDensity_Measure_AdicCylinders import Definitions.Def_TypeDensity_Measure_HenselProducts 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.Algebra.Group.Pi.Units import Mathlib.Order.CompletePartialOrder import Mathlib.RingTheory.Henselian import Mathlib.RingTheory.Polynomial.Resultant.Basic import Mathlib.RingTheory.RegularLocalRing.Defs import Mathlib.RingTheory.SimpleRing.Principal set_option autoImplicit false open TypeDensity open MeasureTheory open scoped BigOperators ENNReal
Formal statement
theorem TypeDensity.maximal_ideal_power_kills (R M : Type) [CommRing R] [IsLocalRing R] [AddCommGroup M]
[Module R M] (N : ℕ) (hN : Module.length R M = N) :
(IsLocalRing.maximalIdeal R)^N • (⊤ : Submodule R M)=⊥ := by sorrySource
TypeDensity/Measure/HenselProducts.lean#L653-L702