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arxiv: 1709.05623 · v1 · pith:M3M33RDNnew · submitted 2017-09-17 · 🧮 math.AT

Torsions of integral homology and cohomology of real Grassmannians

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keywords homologyintegralrealtorsionscohomologygrassmannianaccordingcompute
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According to a result of Ehresmann, the torsions of integral homology of real Grassmannian are all of order $2$. In this note, We compute the $\mathbb{Z}_2$-dimensions of torsions in the integral homology and cohomology of real Grassmannian.

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