🌐EnglishEnglishDeutschEspañolFrançaisNederlandsPolskiSvenskaРусский中文EntityQ6533897· pop 10Hermitian operatorAlso known as self-adjoint operatorAvailable in 10 languagesEspañolDeutschРусскийCatalanCzechHebrewNederlandsSlovenianSvenskaUkrainian