On a theorem of H. Hopf
type: Item
instance of: scholarly article
title: On a theorem of H. Hopf
zbMATH Open document ID: 0723.58011
DOI: 10.1155/S0161171290001132
author: Takis Sakkalis
published in: International Journal of Mathematics and Mathematical Sciences
publication date: 1990-01-01T00:00:00Z
full work available at URL: https://eudml.org/doc/46580
review text: A proof is given based on Morse theory for the theorem of H. Hopf relating, in the case of a hypersurface, the degree of the Gauss map to the Euler characteristic.
Mathematics Subject Classification ID: 58E05
Mathematics Subject Classification ID: 58E50
zbMATH DE Number: 4192691
zbMATH Keywords: Morse function
zbMATH Keywords: critical point
zbMATH Keywords: hypersurface
zbMATH Keywords: degree
zbMATH Keywords: Gauss map
zbMATH Keywords: Euler characteristic
reviewed by: Dumitru Motreanu
MaRDI profile type: Publication
OpenAlex ID: W2019850955
description: scientific article; zbMATH DE number 4192691