🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaРусский한국어中文日本語EntityQ1425077· pop 17· linked from 305 articlesspectral theoremtheoremAvailable in 17 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoCatalanHebrewConnectionsself-adjoint operatorEntityeigenvectors and eigenvaluesEntityCategoriesLinear algebraMatrix theorySingular value decompositionSpectral theoryTheorems in functional analysisTheorems in linear algebra