Update holomorphic_JensenFormula2.lean

This commit is contained in:
Stefan Kebekus 2024-08-12 16:26:20 +02:00
parent 8b0d0f5c05
commit 4981e92c1c
1 changed files with 15 additions and 3 deletions

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@ -7,9 +7,21 @@ import Mathlib.Analysis.Analytic.IsolatedZeros
lemma xx lemma xx
{f : } {f : }
{S : Set } {S : Set }
{R : } (h₁S : IsPreconnected S)
(h₁ : DifferentiableOn f (Metric.ball z₀ R)) : (h₂S : IsCompact S)
∃ o : , ∃ F : , ∀ z ∈ (Metric.ball z₀ R), (DifferentiableAt F z) ∧ (F z ≠ 0) ∧ (f z = F z * ∏ᶠ s ∈ (Metric.ball z₀ R), (z - s) ^ (o s)) := by (hf : ∀ s ∈ S, AnalyticAt f s) :
∃ o : , ∃ F : , ∀ z ∈ S, (AnalyticAt F z) ∧ (F z ≠ 0) ∧ (f z = F z * ∏ᶠ s ∈ S, (z - s) ^ (o s)) := by
let o : := by
intro z
if hz : z ∈ S then
let A := hf z hz
let B := A.order
exact A.order
else
exact 0
sorry sorry