Abstract
For real algebraic varieties whose real algebraic cohomology group is maximal, a canonical homomorphism is constructed from the cohomology group of the set of complex points into the cohomology group of the set of real points, and then it is proved that this homomorphism is an isomorphism.
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Krasnov, V.A. Real Algebraically Maximal Varieties. Mathematical Notes 73, 806–812 (2003). https://doi.org/10.1023/A:1024049813496
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DOI: https://doi.org/10.1023/A:1024049813496