Poincaré–Hopf theorem
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Theorem:6480744
Encyclopedia of MathematicsPoincaré-Hopf_theoremWikiDataQ1305766MaRDI QIDQ6480744
theorem relating the Euler characteristic of a closed manifold to the number of zeros of a vector field on it
Named after: Henri Poincaré
Proved by: Heinz Hopf
