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A resolution theorem for homology cycles of real algebraic varieties - MaRDI portal

A resolution theorem for homology cycles of real algebraic varieties (Q1060257)

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scientific article; zbMATH DE number 3906628
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A resolution theorem for homology cycles of real algebraic varieties
scientific article; zbMATH DE number 3906628

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    A resolution theorem for homology cycles of real algebraic varieties (English)
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    1985
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    The proof of the following result is given. Let V be a compact nonsingular real algebraic set. Then there exists an algebraic resolution \(\pi\) : \(\tilde V\to V\) such that \(H_ k(\tilde V;{\mathbb{Z}}_ 2)\) is generated by components of k-dimensional compact nonsingular algebraic subsets (precisely, stable algebraic subsets of \(\tilde V\) for all k. - The reason for this result not to be a direct consequence of Hironaka's resolution theorem is that not all homology cycles of V may be represented by algebraic subsets.
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    real algebraic set
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    algebraic resolution
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    stable algebraic subsets
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