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Local uniformization

Conjecture · local_uniformization

**Local uniformization in positive characteristic.** Let kk be a field of characteristic p>0p > 0, let FF be a finitely generated field extension of kk, and let O\mathcal{O} be a valuation ring of FF containing kk. Then O\mathcal{O} admits local uniformization over kk.

This is open from dimension four on: it is known when the transcendence degree of F∣kF \mid k is at most three, see local_uniformization_of_trdeg_le_three.

Formal statement · Lean 4.lean
theorem local_uniformization (k F : Type*) [Field k] [Field F] [Algebra k F]
    [Algebra.EssFiniteType k F] (p : ℕ) [Fact p.Prime] [CharP k p] (𝒪 : ValuationSubring F)
    (hk : ∀ x : k, algebraMap k F x ∈ 𝒪) :
    𝒪.HasLocalUniformization k := by
  sorry

Proof. sorry

Nobody has tried yet.

Reference ↗ · Lean source ↗