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Browsing by Author "Carmo, Manfredo do"  

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      A Hopf theorem for open surfaces in product spaces 

      Carmo, Manfredo do; Fernández Delgado, Isabel (De Gruyter, 2009)
      Hopf’s theorem has been recently extended to compact genus zero surfaces with constant mean curvature H in a product ...
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      A theorem of H. Hopf and the Cauchy-Riemann inequality II 

      Alencar, Hilário; Carmo, Manfredo do; Fernández Delgado, Isabel; Tribuzy, Renato (Springer, 2007)
      This is a sequel to “A theorem of H. Hopf and the Cauchy-Riemann inequality” [AdCT]. Here the result of the previous paper ...