EntityQ927051· pop 18· linked from 121 articlesRiemann mapping theoremSign in to savetheorem that any non-empty simply connected open proper subset of the complex plane is biholomorphic to the open unit diskConnectionsCauchy's integral formulaEntityGreen's functionEntityzbMATH OpenEntityWilliam Fogg OsgoodEntityargument principleEntitynormal familyEntityCarl Friedrich GaussEntityLeonhard EulerEntityInternational Standard Book NumberEntityDavid HilbertEntitycomplex numberEntitymathematical analysisEntityHenri PoincaréEntityreal numberEntityBernhard RiemannEntitydigital object identifierEntityInternational Standard Serial NumberEntityKarl WeierstraßEntityAugustin-Louis CauchyEntitycurveEntityCategoriesBernhard RiemannTheorems in complex analysis