EntityQ4807974· pop 5· linked from 28 articlesAspherical spaceSign in to saveconcept in topologyConnectionsconnected spaceEntityhomotopy groupEntitycovering spaceEntitysymmetric spaceEntitymathematicsEntityInternational Standard Book NumberEntitycircleEntitytopologyEntitydigital object identifierEntitysurfaceEntityQ118398Entitytopological spaceEntityMikhail GromovEntityQ22908627EntitySpringer Science+Business MediaEntityStokes' theoremEntityfundamental groupEntityRiemannian manifoldEntitytopological groupEntityMathematical ReviewsEntityCategoriesAlgebraic topologyHomology theoryHomotopy theory