EntityQ3527185· pop 7· linked from 24 articlesWhitehead theoremSign in to savetheorem in homotopy theoryConnectionsconnected spaceEntitymathematicsEntityInternational Standard Book NumberEntitydigital object identifierEntitycontinuous functionEntityisomorphismEntitytopological spaceEntitybijectionEntityalgebraic topologyEntitycompact spaceEntityhomotopyEntitygroup homomorphismEntitycyclic groupEntityfundamental groupEntitysimply connected spaceEntityMathematical ReviewsEntityPhillip GriffithsEntityJ. H. C. WhiteheadEntityhomotopy groupEntityCW complexEntityCategoriesTheorems in homotopy theory