🌐한국어EnglishEspañolFrançaisItalianoNederlandsPortuguêsTiếng ViệtРусскийالعربية한국어中文日本語EntityQ2326800· pop 13· linked from 102 articles단순환nonzero ring that has no two-sided ideal besides the zero ideal and itselfAvailable in 13 languagesFrançais中文日本語РусскийItalianoالعربيةCzechHebrewNederlandsRomanianUkrainianConnectionssemisimple moduleEntitymatrix ringEntityCategoriesRing theory