A geometric interpretation of a classical group cohomology obstruction
A geometric interpretation of a classical group cohomology obstruction
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经典群上同调阻塞的几何解释
DOI:
10.1090/s0002-9939-1976-0391089-3
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发表时间:
1976
期刊:
影响因子:
--
通讯作者:
R. Hill
中科院分区:
文献类型:
--
作者:
R. Hill
. For a non-Abelian group G, we show that the obstruction to the existence of an extension of G by n that induces <f>: II -» Out G is also the zc-invariant of the classifying space for KiG, l)-bundles.