Geodesic
Spacelike Maximal Surfaces with Constant Scalar Normal Curvature in a Normal Contact Lorentzian Manifold
Bulletin of the Malaysian Mathematical Society, Tome 21 (1998) no. 1 
Ikawa Toshihiko. Spacelike Maximal Surfaces with Constant
                        Scalar Normal Curvature in a Normal Contact Lorentzian
                        Manifold. Bulletin of the Malaysian Mathematical Society, Tome 21 (1998) no. 1. http://geodesic.mathdoc.fr/item/BMMS_1998_21_1_a5/
@article{BMMS_1998_21_1_a5,
     author = {Ikawa Toshihiko},
     title = {Spacelike {Maximal} {Surfaces} with {Constant
}                        {Scalar} {Normal} {Curvature} in a {Normal} {Contact} {Lorentzian
}                        {Manifold}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {1998},
     volume = {21},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/BMMS_1998_21_1_a5/}
}
TY  - JOUR
AU  - Ikawa Toshihiko
TI  - Spacelike Maximal Surfaces with Constant
                        Scalar Normal Curvature in a Normal Contact Lorentzian
                        Manifold
JO  - Bulletin of the Malaysian Mathematical Society
PY  - 1998
VL  - 21
IS  - 1
UR  - http://geodesic.mathdoc.fr/item/BMMS_1998_21_1_a5/
ID  - BMMS_1998_21_1_a5
ER  - 
%0 Journal Article
%A Ikawa Toshihiko
%T Spacelike Maximal Surfaces with Constant
                        Scalar Normal Curvature in a Normal Contact Lorentzian
                        Manifold
%J Bulletin of the Malaysian Mathematical Society
%D 1998
%V 21
%N 1
%U http://geodesic.mathdoc.fr/item/BMMS_1998_21_1_a5/
%F BMMS_1998_21_1_a5

Voir la notice de l'article provenant de la source Bulletin of the Malaysian Mathematical Sciences Society website

If the scalar normal curvature of a spacelike maximal surface in a 5-dimensional normal contact Lorentzian manifold with constant -sectional curvature is constant, then the surface is totally geodesic or nonpositively curved.