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Listar por palabra clave "Ridges"

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Listar por palabra clave "Ridges"

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    Conformal invariants and spherical contacts of surfaces in R^4 
    Romero-Fuster, M.C; Sanabria Codesal, Esther (Springer Verlag (Germany), 2013-01)
    Based on the fact that conformal maps preserve contacts of surfaces with hyperspheres, we introduce the concept of strong principal lines on surfaces in ℝ4 and obtain conformally invariant differential 1-forms along them. ...