KnowraDifferential topologyLinked fromLinked fromThe 9 pages that link to Differential topology, each with the reason it gives.All 9Broader topic 2Related 1Narrower topic 6Poincaré lemmaNarrower topic: The lemma links differential forms to local topological properties.Poincaré–Hopf theoremNarrower topic: The theorem is a central bridge between differential structure and topology.John MilnorNarrower topic: Milnor’s work helped establish this field through concrete examples and new invariants.Hairy ball theoremNarrower topic: The theorem is a basic obstruction result about tangent fields on manifolds.Whitney embedding theoremNarrower topic: The theorem became a foundational result in this field.Sard's theoremNarrower topic: Sard's theorem is a foundational tool for its genericity arguments.