🌐EnglishEnglishDeutschEspañolTürkçe한국어中文日本語EntityQ2069216· pop 9· linked from 146 articlesPenrose graphical notationgraphical notation for multilinear algebra calculationsAvailable in 8 languagesEspañolDeutsch中文日本語HungarianUkrainian한국어via Wikidata sitelinks · CC0Connectionsdifferential formEntityLevi-Civita symbolEntityCategoriesDiagram algebrasMathematical notationRoger PenroseTensorsTheoretical physics