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On the Tate conjecture for the Fano surfaces of cubic threefolds. (English) Zbl 1285.14021
Summary: A Fano surface of a smooth cubic threefold \(X\hookrightarrow\mathbb P^4\) parametrizes the lines on \(X\). In this note, we prove that a Fano surface satisfies the Tate conjecture over a field of finite type over the prime field and characteristic not 2.

14F20 Étale and other Grothendieck topologies and (co)homologies
14F30 \(p\)-adic cohomology, crystalline cohomology
14G10 Zeta functions and related questions in algebraic geometry (e.g., Birch-Swinnerton-Dyer conjecture)
14C25 Algebraic cycles
14J45 Fano varieties
Full Text: DOI arXiv
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