EntityQ493980· pop 11· linked from 59 articlesquiverSign in to savegeneralized directed graph which is permitted to have multiple arcs and loopsConnectionsmorphismEntitynatural transformationEntitymathematicsEntityInternational Standard Book NumberEntityUniversity of OxfordEntityset theoryEntitydigital object identifierEntityInternational Standard Serial NumberEntityvector spaceEntityfieldEntitybibcodeEntityQ118398Entitylinear mapEntitycategory theoryEntityCambridge University PressEntitymoduleEntitycategoryEntitynodeEntitydimension of a vector spaceEntitydirected graphEntityCategoriesCategory theoryDirected graphsRepresentation theory