摘要
提出了X_M_PN空间的新概念,在X_M_PN空间中证明了锐角原理。
A new concept of the X_M_PN space is introduced, and the acute angle principle in the X_M_PN space is proved. Meanwhile, some new results are obtained.
出处
《应用数学和力学》
EI
CSCD
北大核心
2000年第2期161-163,共3页
Applied Mathematics and Mechanics
关键词
弱概率内积空间
拓扑度
锐角原理
X-M-PN空间
weak probabilistic inner product space
topological degree
acute angle principle
algebra
X_M_PN space