EntityQ2963975· pop 6· linked from 157 articlessurgery theorySign in to savetechniques in topology used to produce one finite-dimensional manifold from anotherConnectionshomotopyEntitydifferentiable manifoldEntitycobordismEntityMorse theoryEntityh-cobordismEntitymathematicsEntityInternational Standard Book NumberEntitysphereEntitydigital object identifierEntitytorusEntityJSTOROrganizationmanifoldEntityhomeomorphismEntityif and only ifEntityKlein bottleEntityJohn MilnorEntityDennis SullivanEntitySpringer Science+Business MediaEntitySergei NovikovEntityAmerican Mathematical SocietyEntityCategoriesSurgery theory