Integral surjectivity conjecture for the logarithmic cycle class map

Let X/CX/{\mathbb C} be a smooth projective variety and m1m\geq 1. Consider the integral logarithmic map

dlogm:CHm(Spec(C(X)),m)Γ(Hm(C(X),Z(m))).d\log_m:\textup{CH}^{m}(\operatorname{Spec}({\mathbb C}(X)),m)\to \Gamma\big(H^{m}({\mathbb C}(X),{\mathbb Z}(m))\big).

Integral dlogd\log conjecture. The map dlogmd\log_m is surjective. The rationalized map is the generic-point cycle class map lim(clm,m)\lim(\textup{cl}_{m,m}); the source notes that rational surjectivity is equivalent to integral surjectivity, but does not establish either one.

Sources & referencesView supporting material

Primary source

Rob de Jeu and James D. Lewis, “Beilinson's Hodge conjecture for smooth varieties”, arXiv:1104.4364 (2011).

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