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Indefinite affine umbilical surfaces in R4
被引:0
|作者:
Verstraelen, L
Vrancken, L
Witowicz, P
机构:
[1] Katholieke Univ Leuven, Dept Wiskunde, B-3001 Louvain, Belgium
[2] Tech Univ Berlin, Fachbereich Math, D-10623 Berlin, Germany
[3] Politech Rzeszowskiej, Katedra Matemat, PL-35959 Rzeszow, Poland
关键词:
equiaffine normal bundle;
affine mean curvature;
D O I:
10.1023/A:1005039604280
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
We study surfaces M-2 in the four-dimensional affine space bf R-4 equipped with its usual torsion-free connection D and parallel volume form given by the determinant.
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页码:109 / 119
页数:11
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