期刊名称:International Journal of Mathematics and Mathematical Sciences
印刷版ISSN:0161-1712
电子版ISSN:1687-0425
出版年度:1992
卷号:15
期号:1
页码:107-110
DOI:10.1155/S0161171292000127
出版社:Hindawi Publishing Corporation
摘要:
It is shown that a compact almost complex surface in S 6 is either totally geodesic or the minimum of its Gaussian curvature is less than or equal to 1 / 3 .