Two volume decreasing theorems and a new proof of the Hopf conjecture for surfaces of genus zero
C. R. Math. Rep. Acad. Sci. Canada Vol. 1 (2) 1979, pp. 119–122
April 1, 1979
S.I. Goldberg / L. Vanhecke
Abstract/Résumé:
Keywords: Hopf conjecture
AMS Subject Classification:
AMS Subject Classification:
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Two volume decreasing theorems and a new proof of the Hopf conjecture for surfaces of genus zero
