From aeda1e981d9c11703704609a69c041809d79e98e Mon Sep 17 00:00:00 2001 From: Stefan Kebekus Date: Fri, 17 May 2024 09:05:15 +0200 Subject: [PATCH] Update complexHarmonic.lean --- Nevanlinna/complexHarmonic.lean | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/Nevanlinna/complexHarmonic.lean b/Nevanlinna/complexHarmonic.lean index 4977809..bb5ad8f 100644 --- a/Nevanlinna/complexHarmonic.lean +++ b/Nevanlinna/complexHarmonic.lean @@ -49,7 +49,7 @@ theorem harmonic_iff_comp_CLE_is_harmonic {f : ℂ → F₁} {l : F₁ ≃L[ℝ] · have : l ∘ f = (l : F₁ →L[ℝ] G₁) ∘ f := by rfl rw [this] exact harmonic_comp_CLM_is_harmonic - · have : f = (l.symm : G₁ →L[ℝ] F₁) ∘ l ∘ f := by + · have : f = (l.symm : G₁ →L[ℝ] F₁) ∘ l ∘ f := by funext z unfold Function.comp simp @@ -129,6 +129,12 @@ theorem im_of_holomorphic_is_harmonic {f : ℂ → ℂ} (h : Differentiable ℂ exact holomorphic_is_harmonic h +theorem antiholomorphic_is_harmonic {f : ℂ → ℂ} (h : Differentiable ℂ f) : + Harmonic (Complex.conjCLE ∘ f) := by + apply harmonic_iff_comp_CLE_is_harmonic.1 + exact holomorphic_is_harmonic h + + theorem log_normSq_of_holomorphic_is_harmonic {f : ℂ → ℂ} (h₁ : Differentiable ℂ f)