bn:02634546n
Noun Named Entity
Categories: Theorems in differential topology, Topology stubs, Articles with short description
EN
Hopf theorem
EN
The Hopf theorem is a statement in differential topology, saying that the topological degree is the only homotopy invariant of continuous maps to spheres. Wikipedia
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EN
The Hopf theorem is a statement in differential topology, saying that the topological degree is the only homotopy invariant of continuous maps to spheres. Wikipedia
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