23.1. Keystones
residueSum_pairForm_eq_zero_unconditional — source · report an issue
theorem residueSum_pairForm_eq_zero_unconditional
(g₀ h : MeromorphicFunction X) (poles : Finset X)
(hpoles : ∀ x, x ∉ poles → AnalyticAt ℂ
(fun z => h.toFun ((chartAt (H := ℂ) x).symm z)
* deriv (fun w => g₀.toFun ((chartAt (H := ℂ) x).symm w)) z)
((chartAt (H := ℂ) x) x)) :
∑ a ∈ poles, pairFormResidue g₀ h a = 0