Abstract
As we’ve already mentioned, R O(G)-graded ordinary homology is not adequate to give Poincaré duality for G-manifolds except in the case of manifolds modeled on a single representation. To get Poincaré duality for general G-manifolds, we need to extend to a theory indexed on representations of \(\Pi X\). (For simplicity of notation we shall now write \(\Pi X\) for \(\Pi _{G}X\).) That is, the homology and cohomology of X should be graded on representations of \(\Pi X\). A construction of the \(RO(\Pi X)\)-graded theory for finite G was given in Costenoble and Waner (Michigan Math J 39:325–351, 1992), and the theory was used in Costenoble and Waner (Michigan Math J 39:415–424, 1992) and Michigan Math J (40:577–604, 1993) to obtain π–π theorems for equivariant Poincaré duality spaces and equivariant simple Poincaré duality spaces. In this chapter we give the construction for all compact Lie groups.
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Bibliography
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Costenoble, S.R., Waner, S. (2016). \(RO(\Pi B)\)-Graded Ordinary Homology and Cohomology. In: Equivariant Ordinary Homology and Cohomology. Lecture Notes in Mathematics, vol 2178. Springer, Cham. https://doi.org/10.1007/978-3-319-50448-3_3
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DOI: https://doi.org/10.1007/978-3-319-50448-3_3
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