Home›Browse›Kirby–Siebenmann class🌐EnglishEnglishDeutschSvenskaРусский日本語EntityQ6414983· pop 5· linked from 16 articlesKirby–Siebenmann classSign in to saveAlso known as Kirby–Siebenmann invariantCohomology class of topological structuresAvailable in 5 languagesDeutsch日本語РусскийSvenskavia Wikidata sitelinks · CC0