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Diff — Gamma function

Revision #2381 → #3030 · back to history

modifiedMeromorphic with simple poles at non-positive integers1f907e843c56
FieldFrom #2381To #3030
mathlib.declMeromorphic.GammaComplex.not_differentiableAt_Gamma_neg_nat
mathlib.moduleMathlib.Analysis.Meromorphic.ComplexMathlib.Analysis.SpecialFunctions.Gamma.Basic
noteMeromorphic.Gamma states Γ is meromorphic on ℂ, with not_differentiableAt_Gamma_neg_nat identifying the poles.Complex.differentiableAt_Gamma gives analyticity off the non-positive integers and Complex.not_differentiableAt_Gamma_neg_nat identifies the poles.
provenanceaiai-moderated
addedGauss's digamma theoremcdeaf2b7d0a2
addedHankel contourf1ab66ec2bed