EntityQ4493388· pop 5· linked from 53 articlesfundamental classSign in to savehomology class associated to an oriented closed manifoldConnectionsmathematicsEntityInternational Standard Book NumberEntityCambridge University PressEntityLie groupEntitycommutative ringEntitysimplexEntitycyclic groupEntityconnected spaceEntityhomologyEntitydifferential formEntityMathematical ReviewsEntityorientabilityEntityde Rham cohomologyEntityPoincaré dualityEntityAllen HatcherEntityclosed manifoldEntityStiefel–Whitney classEntitycap productEntityBruhat decompositionEntitygeneralized flag varietyEntityCategoriesAlgebraic topology