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Jun 19, 2020 at 20:05 history edited Alon Amit CC BY-SA 4.0
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Jun 19, 2020 at 19:01 vote accept Mikhail Bondarko
Jun 19, 2020 at 18:35 answer added R. van Dobben de Bruyn timeline score: 1
Jun 19, 2020 at 17:21 comment added R. van Dobben de Bruyn @MikhailBondarko how about the resolution of a cusp? (Tag 0BRC)
Jun 19, 2020 at 11:42 answer added D.-C. Cisinski timeline score: 2
Jun 19, 2020 at 8:50 comment added Mikhail Bondarko Well, in characteristic $0$ only "trivial" universal homeomorphisms exist, yes.:)
Jun 19, 2020 at 8:47 history edited Mikhail Bondarko CC BY-SA 4.0
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Jun 19, 2020 at 8:28 comment added abx I am afraid this will happen only in trivial cases. For instance if $Y$ is a smooth projective curve over $\mathbb{Q}$, with Jacobian variety $J$, $CH^1(Y)=\operatorname{Pic}(Y) $ is finitely generated, while $\operatorname{Pic}(X) =\mathbb{Z}\oplus J(\bar{\mathbb{Q}})$ is not.
Jun 19, 2020 at 8:21 history asked Mikhail Bondarko CC BY-SA 4.0