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Borel's theorem

Summary

In topology, a branch of mathematics, Borel's theorem, due to Armand Borel (1953), says the cohomology ring of a classifying space or a classifying stack is a polynomial ring.[1]

See also

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Notes

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  1. ^ Behrend 2003, Theorem 5.6.

References

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  • Borel, Armand (1953). "Sur la cohomologie des éspaces fibrés principaux et des éspaces homogènes de groupes de Lie compacts". Annals of Mathematics. 57 (1): 115–207. doi:10.2307/1969728. JSTOR 1969728. MR 0051508.
  • Behrend, Kai A. (2003). "Derived l-adic categories for algebraic stacks". Memoirs of the American Mathematical Society. 163 (774). doi:10.1090/memo/0774. MR 1963494.