Offenheitsprinzip
hypernym: Domain
description: Theorem that holomorphic functions on complex domains are open maps @en
label: Théorème de l'image ouverte @fr
label: Принцип сохранения области @ru
label: Teorema della funzione aperta (analisi complessa) @it
label: Принцип збереження області @uk
label: 開写像定理 (複素解析) @ja
subject: Category:Theorems in complex analysis
subject: Category:Articles containing proofs
description: mathematischer Satz
label: Satsen om den öppna avbildningen (komplex analys) @sv
description: sats inom komplex analys @sv
description: teorema in analisi complessa @it
label: Open mapping theorem (complex analysis) @en
label: 开映射定理 (复分析) @zh