例四]:可微流形的标架丛(the frame bundle):
令
F p(M)为TpM 中所有可能的基底(base)所组成的空间,则
(6)
p
p M (M) = (M) M
π
∈ F
∪]F ⎯⎯→
叫做
M 的标架丛(the frame bundle of M)。
例四]:可微流形的标架丛(the frame bundle):
令
F p(M)为TpM 中所有可能的基底(base)所组成的空间,则
(6)
p
p M (M) = (M) M
π
∈ F
∪]F ⎯⎯→
叫做
M 的标架丛(the frame bundle of M)。
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