EntityQ5034459· pop 6· linked from 17 articlescap productSign in to savemethod of adjoining a chain of with a cochainConnectionssingular homologyEntityKünneth theoremEntityInternational Standard Book NumberEntitytopological spaceEntityalgebraic topologyEntityCambridge University PressEntitymoduleEntityhomologyEntityUniversity of Chicago PressEntityEduard ČechEntityHassler WhitneyEntitybilinear mapEntitychain complexEntityorientabilityEntitycohomologyEntityCW complexEntityPoincaré dualityEntityinitial topologyEntityAllen HatcherEntitycup productEntityCategoriesAlgebraic topologyBinary operationsHomology theory