A Proof of the Hairy Ball Theorem

DOI10.2307/2320587zbMath0433.57011OpenAlexW4237903928WikidataQ55899913 ScholiaQ55899913MaRDI QIDQ3871587

Robert D. Guy, Murray Eisenberg

Publication date: 1979

Published in: The American Mathematical Monthly (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2307/2320587

zbMATH Keywords

mapping degreeexistence of singularities for vector fields on the 2-sphere

Mathematics Subject Classification ID

Vector fields, frame fields in differential topology (57R25) Degree, winding number (55M25)

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