EntityQ715906· pop 31· linked from 157 articlesPaul AppellSign in to saveFrench mathematician (1855-1930)ConnectionsAppell sequenceEntityParisEntityCarl Friedrich GaussEntityStrasbourgEntityInternational Standard Book NumberEntityHenri PoincaréEntityreal numberEntitymathematicianEntitydifferential equationEntitydigital object identifierEntityUniversity of ParisEntityFrench Third RepublicEntitySecond French EmpireEntityÉcole Normale SupérieureEntitycomplex analysisEntityimaginary numberEntityUniversity of St AndrewsEntityperiodic functionEntityFrench Academy of SciencesEntityrectorEntityCategories1855 births1930 deaths19th-century French mathematicians20th-century French mathematiciansAcademic staff of the University of ParisCorresponding Members of the Russian Academy of Sciences (1917–1925)Corresponding members of the Saint Petersburg Academy of SciencesÉcole normale supérieure (Paris) alumniFrench atheistsFrench geometersFrench mathematical analysts