🌐EnglishEnglishEspañolРусский한국어中文日本語EntityQ7248935· pop 6· linked from 51 articlesProj constructionscheme constructed from a commutative graded ring, whose points correspond to homogeneous prime ideals that do not contain all of positive-degree elementsAvailable in 6 languagesEspañolРусскийHebrewUkrainian한국어via Wikidata sitelinks · CC0Connectionsgraded ringEntityidealEntityCategoriesScheme theory