Download E-books Cohomology of Finite Groups (Grundlehren der mathematischen Wissenschaften) PDF

By Alejandro Adem

A few old heritage This ebook offers with the cohomology of teams, rather finite ones. traditionally, the topic has been one in all major interplay among algebra and topology and has at once resulted in the production of such very important parts of arithmetic as homo­ logical algebra and algebraic K-theory. It arose essentially within the 1920's and 1930's independently in quantity concept and topology. In topology the focus used to be at the paintings ofH. Hopf, yet B. Eckmann, S. Eilenberg, and S. MacLane (among others) made major contributions. the most thrust of the early paintings right here was once to aim to appreciate the meanings of the low dimensional homology teams of an area X. for instance, if the common disguise of X used to be 3 hooked up, it was once recognized that H2(X; A. ) relies basically at the primary workforce of X. workforce cohomology at the start seemed to clarify this dependence. In quantity concept, workforce cohomology arose as a usual equipment for describing the most theorems of sophistication box idea and, particularly, for describing and interpreting the Brauer team of a box. It additionally arose evidently within the examine of staff extensions, N

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