🌐EnglishEnglishDeutschEspañolFrançaisNederlandsPortuguêsSvenskaEntityQ3428807· pop 6· linked from 6 articlesErik Alfsennorwegian mathematician (1930–2019)ConnectionsOsloEntitySeattleEntityCategories1930 births2019 deaths20th-century Norwegian mathematicians21st-century Norwegian mathematiciansAcademic staff of the University of OsloArchitects from OsloArtists from OsloMembers of the Norwegian Academy of Science and LettersMembers of the Royal Danish Academy of Sciences and LettersNorwegian anti–nuclear weapons activistsNorwegian expatriates in France