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Results tagged with at.algebraic-topology
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user 81654
Homotopy theory, homological algebra, algebraic treatments of manifolds.
7
votes
0
answers
643
views
de Rham cohomology with twisted coefficients and group cohomology
I'm trying to follow Goldman's paper 'The symplectic nature of fundamental groups of surfaces'. I'm having trouble understanding the following isomorphism: let's take a principal $G$-bundle $P \to M$ …
- 279
3
votes
0
answers
159
views
Which manifolds admit free involutions?
The question of which manifolds admit a free involution seems natural enough, yet I couldn't find much about it online. It's not hard to see that such a manifold must be a boundary, but as pointed out …
- 279