Geodesic
Nonnegativity for the Curvature Operator and Isotropy for Isometric Immersions.
Mathematische Zeitschrift, Tome 181 (1982), pp. 129-142.

Voir la notice de l'article provenant de la source European Digital Mathematics Library

Mots-clés : isometric immersion, nonnegative sectional curvature, isotropic immersion, Veronese surface, second fundamental form 
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     author = {Rolf Walter and Norbert Kleinjohann},
     title = {Nonnegativity for the {Curvature} {Operator} and {Isotropy} for {Isometric} {Immersions.}},
     journal = {Mathematische Zeitschrift},
     pages = {129--142},
     publisher = {mathdoc},
     volume = {181},
     year = {1982},
     zbl = {0476.53032},
     url = {http://geodesic.mathdoc.fr/item/MZ_1982__181_173222/}
}
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Rolf Walter; Norbert Kleinjohann. Nonnegativity for the Curvature Operator and Isotropy for Isometric Immersions.. Mathematische Zeitschrift, Tome 181 (1982), pp. 129-142. http://geodesic.mathdoc.fr/item/MZ_1982__181_173222/