🌐EnglishEnglishРусскийالعربية한국어中文日本語EntityQ12609547· pop 5· linked from 28 articlesWigner's classificationclassification of irreducible representations of the Poincaré groupAvailable in 5 languages日本語Русскийالعربية한국어via Wikidata sitelinks · CC0ConnectionsMinkowski spacetimeEntitygroup actionEntityCategoriesMathematical physicsQuantum field theoryRepresentation theory of Lie groups