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Algebraic cycles and Verra fourfolds
Published 11 Jun 2019 in math.AG | (1906.04799v1)
Abstract: This note is about the Chow ring of Verra fourfolds. For a general Verra fourfold, we show that the Chow group of homologically trivial $1$-cycles is generated by conics. We also show that Verra fourfolds admit a multiplicative Chow-K\"unneth decomposition, and draw some consequences for the intersection product in the Chow ring of Verra fourfolds.
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