🌐EnglishEnglishDeutschItalianoNederlandsРусский한국어日本語EntityQ3851926· pop 6· linked from 143 articlesRedheffer matrixsquare (0,1) matrixAvailable in 6 languagesРусскийItalianoNederlandsSlovenian한국어via Wikidata sitelinks · CC0Connectionseigenvectors and eigenvaluesEntityblock matrixEntityCategoriesMatrices (mathematics)Number theory