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Alejandro Adem, <em>Recent developments in the cohomology of finite groups</em>, Notices Amer. Math. Soc. '''44''' (1997), no. 7, 806–812 http://www.ams.org/notices/199707/adem.pdf | Alejandro Adem, <em>Recent developments in the cohomology of finite groups</em>, Notices Amer. Math. Soc. '''44''' (1997), no. 7, 806–812 http://www.ams.org/notices/199707/adem.pdf | ||
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2012년 10월 28일 (일) 15:58 판
For a finite group G and its module M,
H^{0}(G,M) is isomorphic to M/Norm(M) where Norm(m) = \sum_{\sigma\in G}\sigma m
Alejandro Adem, Recent developments in the cohomology of finite groups, Notices Amer. Math. Soc. 44 (1997), no. 7, 806–812 http://www.ams.org/notices/199707/adem.pdf