On a theorem of H. Hopf

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DOI10.1155/S0161171290001132zbMath0723.58011OpenAlexW2019850955MaRDI QIDQ756805

Takis Sakkalis

Publication date: 1990

Published in: International Journal of Mathematics and Mathematical Sciences (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/46580

zbMATH Keywords

Euler characteristic hypersurface critical point degree Gauss map Morse function

Mathematics Subject Classification ID

Abstract critical point theory (Morse theory, Lyusternik-Shnirel'man theory, etc.) in infinite-dimensional spaces (58E05) Applications of variational problems in infinite-dimensional spaces to the sciences (58E50)

Related Items (2)

A Note on Proper Polynomial Maps ⋮ A short proof of a theorem by Hopf

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