Cohomology rings of finite groups have strong duality properties, as shown by w x w x Benson and Carlson 4 and Greenlees 16 . We prove here that cohomology rings of virtual duality groups have a ring theoretic duality property, which combines the duality properties of finite groups with the cohomolo
Commutative algebra for cohomology rings of classifying spaces of compact Lie groups
โ Scribed by D.J. Benson; J.P.C. Greenlees
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- English
- Weight
- 827 KB
- Volume
- 122
- Category
- Article
- ISSN
- 0022-4049
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โฆ Synopsis
We apply the techniques of highly structured ring and module spectra to prove a duality theorem for the cohomology ring of the classifying space of a compact Lie group. This generalizes results of 31 and Greenlees [lo] in the case of finite groups. In particular, we prove a functional equation for the Poincare series in the oriented Cohen-Macaulay case.
๐ SIMILAR VOLUMES
We compute the center and nilpotency of the graded Lie algebra \* ( Baut1(X ))โQ for a large class of formal spaces X: The latter calculation determines the rational homotopical nilpotency of the space of self-equivalences aut1(X ) for these X . Our results apply, in particular, when X is a complex