🌐EnglishEnglishDeutschFrançaisItalianoNederlands中文日本語EntityQ2226764· pop 5· linked from 129 articlesMazur's lemmaOn strongly convergent combinations of weakly convergent sequence in a Banach spaceAvailable in 5 languagesFrançaisDeutsch日本語Italianovia Wikidata sitelinks · CC0Connectionsnormed vector spaceEntityConvex conjugateEntityCategoriesBanach spacesCompactness theoremsLemmas in mathematical analysisTheorems in functional analysisTheorems involving convexity