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arxiv: 1603.01426 · v1 · pith:SBXX2WSYnew · submitted 2016-03-04 · 🧮 math.AG

On the Chow ring of certain rational cohomology tori

classification 🧮 math.AG
keywords bulletmathbbrationalabelianchowcohomologyinducesisomorphism
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Let $f: X \rightarrow A$ be an abelian cover from a complex algebraic variety with quotient singularities to an abelian variety. We show that $f^*$ induces an isomorphism between the rational cohomology rings $H^\bullet(A, \mathbb{Q})$ and $H^\bullet(X, \mathbb{Q})$ if and only if $f^*$ induces an isomorphism between the Chow rings with rational coefficients $\mathrm{CH}^\bullet(A)_{\mathbb{Q}}$ and $\mathrm{CH}^\bullet(X)_{\mathbb{Q}}$.

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