摘要
利用李安民(1991)和李济民获得的一个矩阵不等式,讨论了球面Sn+p中的n维紧致极小子流形的截面曲率Piching常数。
Author discusses the sectional curvature of n dimensional, compact, minimal submaifolds in the sphere S n+p by applying the matrice inequality of Li Li(1991). The result obtained improves the result of S. T. Yan(1975).
出处
《四川师范大学学报(自然科学版)》
CAS
CSCD
1997年第3期28-29,39,共3页
Journal of Sichuan Normal University(Natural Science)
关键词
紧致
极小子波形
截面曲率
N维
Compact, minimal submanifold, Sectional curvature