ScienceCategorySamuel Eilenberg, Saunders Mac LaneAlgebraic structure of objects and morphisms between objects, which can be associatively composed if the (co)domains agreeRead on WikipediaEdit in BackendBySamuel Eilenberg, Saunders Mac LaneMore to readBeyond inventionsSame vibe, elsewhereRelatedMore to readShow all (16)FunctorTextChain complexTextOctonionTextMatroidTextSedenionTextFolium of DescartesTextDescriptive geometryTextGraph theoryTextMonodromyTextSurreal numberText#TextLie groupTextLambda calculusTextComputerTextGeometry of numbersTextMathematical inductionTextAround thisBeyond inventionsShow all (16)๐ฎ๐นVermouthFood๐บ๐ธTomato juiceFood๐ซ๐ทGrand MarnierFood๐ซ๐ทTriple secFood๐ซ๐ทBรฉnรฉdictineFood๐ฒ๐ฝTacosFood๐จ๐ฆCaesarFood๐ฆ๐นGeometric Regional NovelBookCheeseFood๐ฎ๐นItalian FolktalesBook๐ฆ๐ทCollected FictionsBook๐ฉ๐ฐEither/Or: A Fragment of LifeBook๐ฒ๐ฉLiving TissueBook๐จ๐บDaiquiriFoodCakeFood๐ฆ๐นThe Architect of RuinsBookWorld tourSame vibe, elsewhereShow all (16)๐ฆ๐ฑAlbanian Folktales and LegendsBookCouscousFood๐ธ๐ตCosmosBook๐ธ๐ตThe Biggest Ideas in the Universe: Space, Time, and MotionBook๐น๐นAngostura bittersFoodPieFood๐ญ๐ทCroatian Tales of Long AgoBook๐ฌ๐งEspresso martiniFoodLocomotionGame๐จ๐ญAristotle University OrchestraGreece๐ฆ๐ทThe Invention of MorelBookEuclidean LandsGame๐ฆ๐น๐ญ๐บDobos TorteFood๐ธ๐ชAmatkaBook๐จ๐ญThe AlpBook๐ฒ๐นEveryday EncountersBook