EntityQ333941· pop 38· linked from 237 articlesLars HörmanderSign in to saveSwedish mathematician (1931–2012)ConnectionsSpringer Science+Business MediaEntityElias M. SteinEntitypseudo-differential operatorEntityUnited StatesCountrySwedenCountrymathematicsEntityNew York CityCityStockholmEntityNiceEntityInternational Standard Book NumberEntityAmazonEntitymathematicianEntitydifferential equationEntityStanford UniversityEntitydigital object identifierEntityLundEntityMaryam MirzakhaniEntityUniversity of ChicagoEntityPrincetonEntitySwedesEntityCategories1931 births2012 deaths20th-century Swedish mathematicians21st-century Swedish mathematiciansAcademic staff of Stockholm UniversityComplex analystsCourant Institute of Mathematical Sciences facultyDirectors of the Mittag-Leffler InstituteFellows of the American Mathematical SocietyFields MedalistsForeign associates of the National Academy of Sciences