EntityQ1365548· pop 14· linked from 300 articlesprincipal bundleSign in to savefiber bundle whose fibers are group torsors (groups with the identity element forgotten)Connectionsgroup actionEntitymanifoldEntityhomeomorphismEntitysmooth functionEntitydiffeomorphismEntitydifferentiable manifoldEntityorthogonal groupEntityfiber bundleEntityorientabilityEntityatlasEntitycovering spaceEntityalmost complex manifoldEntityframe bundleEntityvector bundle connectionEntityparallelizable manifoldEntityassociated bundleEntitymathematicsEntityphysicsEntityInternational Standard Book NumberEntitytopologyEntityCategoriesDifferential geometryFiber bundlesGroup actions