🌐EnglishEnglishEspañolFrançaisTiếng ViệtTürkçeРусский日本語EntityQ5443005· pop 6· linked from 63 articlesFenchel–Moreau theoremmathematical theorem in convex analysisAvailable in 6 languagesFrançais日本語РусскийTiếng ViệtUkrainianvia Wikidata sitelinks · CC0ConnectionsConvex conjugateEntityopen mapping theoremEntityCategoriesConvex analysisTheorems in mathematical analysisTheorems involving convexity