EntityQ7840150· pop 6· linked from 59 articlestriangulated categorySign in to savecategory with the additional structure of a translation functor and a class of distinguished trianglesConnectionsexact sequenceEntitySpringer Science+Business MediaEntityfunctorEntitycoherent sheafEntitychain homotopyEntitymapping coneEntitymathematicsEntityInternational Standard Book NumberEntitydigital object identifierEntityvector spaceEntityOCLC, Inc.EntityfieldEntitybibcodeEntityQ118398EntityAlexander GrothendieckEntityabelian groupEntityoctahedronEntityPierre DeligneEntitycategoryEntityQ22908627EntityCategoriesHomological algebra