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Computations in Cpq-Bredon cohomology.
- Source :
- Mathematische Zeitschrift; Dec2019, Vol. 293 Issue 3/4, p1443-1487, 45p
- Publication Year :
- 2019
-
Abstract
- In this paper, we compute the R O (C pq) -graded cohomology of C pq -orbits. We deduce that in all the cases the Bredon cohomology groups are a function of the fixed point dimensions of the underlying virtual representations. Further, when thought of as a Mackey functor, the same independence result holds in almost all cases. This generalizes earlier computations of Stong and Lewis for the group C p . The computations of cohomology of orbits are used to prove a freeness theorem. The analogous result for the group C p was proved by Lewis. We demonstrate that certain complex projective spaces and complex Grassmannians satisfy the freeness theorem. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00255874
- Volume :
- 293
- Issue :
- 3/4
- Database :
- Complementary Index
- Journal :
- Mathematische Zeitschrift
- Publication Type :
- Academic Journal
- Accession number :
- 139365840
- Full Text :
- https://doi.org/10.1007/s00209-019-02248-2